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Conserved domains on  [gi|2462544654|ref|XP_054234188|]
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1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-2 isoform X25 [Homo sapiens]

Protein Classification

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
PI-PLCc_beta2 cd08624
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta2; This subfamily ...
311-662 0e+00

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta2; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-beta isozyme 2. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-beta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. PI-PLC-beta2 is expressed at highest levels in cells of hematopoietic origin. It is activated by the heterotrimeric G protein alpha q subunits through their C2 domain and long C-terminal extension. It is also activated by the beta-gamma subunits of heterotrimeric G proteins.


:

Pssm-ID: 176561 [Multi-domain]  Cd Length: 261  Bit Score: 552.74  E-value: 0e+00
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08624      1 HQDMTQPLNHYFINSSHNTYLTAGQFSGLSSPEMYRQVLLSGCRCVELDCWKGKPPDEEPIITHGFTMTTEILFKDAIEA 80
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVDSPRQQAKMAEYCRTIFGDMLLTEPLEKFPLKPGVPLPSPEDLRGKILIKNKKnqfsgp 470
Cdd:cd08624     81 IAESAFKTSPYPVILSFENHVDSPKQQAKMAEYCRTIFGDMLLTEPLEKYPLKPGVPLPSPEDLRGKILIKNKK------ 154
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtaYEEMSSLV 550
Cdd:cd08624    155 ------------------------------------------------------------------------YEEMSSLV 162
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEFSAprlftcifsghkhKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08624    163 NYIQPTKFVSFEFSA-------------QKNRSYVISSFTELKAYDLLSKASVQFVEYNKRQMSRIYPKGTRMDSSNYMP 229
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08624    230 QMFWNVGCQMVALNFQTMDLPMQQNMALFEFN 261
EFh_PI-PLCbeta2 cd16209
EF-hand motif found in phosphoinositide phospholipase C beta 2 (PI-PLC-beta2); PI-PLC-beta2, ...
149-299 4.23e-105

EF-hand motif found in phosphoinositide phospholipase C beta 2 (PI-PLC-beta2); PI-PLC-beta2, also termed 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-2, or phospholipase C-beta-2 (PLC-beta2), is expressed at highest levels in cells of hematopoietic origin. It is activated by the heterotrimeric G protein alpha q subunits (G alpha(q)) through their C2 domain and long C-terminal extension. It is also activated by the beta-gamma subunits of heterotrimeric G proteins. PI-PLC-beta2 has two cellular binding partners, alpha- and gamma-synuclein. The binding of either alpha- and gamma-synuclein inhibits PI-PLC-beta2 activity through preventing the binding of its activator G alpha(q). However, the binding of gamma-synuclein to PI-PLC-beta2 does not affect its binding to G beta(gamma) subunits or small G proteins, but enhances these signals. Meanwhile, gamma-synuclein may protect PI-PLC-beta2 from protease degradation and contribute to its over-expression in breast cancer. In leukocytes, the G beta(gamma)-mediated activation of PI-PLC-beta2 can be promoted by a scaffolding protein WDR26, which is also required for the translocation of PI-PLC-beta2 from the cytosol to the membrane in polarized leukocytes. PI-PLC-beta2 contains a core set of domains, including an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C2 domain. Besides, it has a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence.


:

Pssm-ID: 320039  Cd Length: 151  Bit Score: 324.14  E-value: 4.23e-105
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  149 DKILVKLKMQLNSEGKIPVKNFFQMFPADRKRVEAALSACHLPKGKNDAINPEDFPEPVYKSFLMSLCPRPEIDEIFTSY 228
Cdd:cd16209      1 EKIYVKLKMQLNSEGKIPVKNFFQMFPADRKRVEAALSACHLPKGKNDAINPEDFPEAVFKTFLMQLCPRPEIDEIFTSY 80
                           90       100       110       120       130       140       150
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|.
gi 2462544654  229 HAKAKPYMTKEHLTKFINQKQRDSRLNSLLFPPARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFLCGPE 299
Cdd:cd16209     81 HAKAKPYMTKEHLTKFINKKQRDSRLNEELFPPARPDQVQGLIEKYEPSGINAQRGQLSPEGMVWFLCGPE 151
PH_14 pfam17787
PH domain; This entry corresponds to the PH domain found at the N-terminus of phospholipase C ...
12-141 4.64e-70

PH domain; This entry corresponds to the PH domain found at the N-terminus of phospholipase C enzymes.


:

Pssm-ID: 465506  Cd Length: 131  Bit Score: 228.80  E-value: 4.64e-70
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   12 KVKAYLSQGERFIKWDDETTVASP-VILRVDPKGYYLYWTYQSKEMEFLDITSIRDTRFGKFAKMPKSQKLRDVFNMDFP 90
Cdd:pfam17787    1 EVPEKLQKGELFIKWDEESTVAEPnVLLKVDPKGFFLYWKSQGKEGEVLEITSIRDTRLGKFAKIPKDPKLREVLSMGGS 80
                           90       100       110       120       130
                   ....*....|....*....|....*....|....*....|....*....|.
gi 2462544654   91 DNSFLLKTLTVVSGPDMVDLTFHNFVSYKENVGKAWAEDVLALVKHPLTAN 141
Cdd:pfam17787   81 DNSLEDKTLTVVSGTDMVNINFHNFVASNSEVAKNWAEGLRALAHNVLAAN 131
C2_PLC_like cd00275
C2 domain present in Phosphoinositide-specific phospholipases C (PLC); PLCs are involved in ...
694-815 2.34e-37

C2 domain present in Phosphoinositide-specific phospholipases C (PLC); PLCs are involved in the hydrolysis of phosphatidylinositol-4,5-bisphosphate (PIP2) to d-myo-inositol-1,4,5-trisphosphate (1,4,5-IP3) and sn-1,2-diacylglycerol (DAG). 1,4,5-IP3 and DAG are second messengers in eukaryotic signal transduction cascades. PLC is composed of a N-terminal PH domain followed by a series of EF hands, a catalytic TIM barrel and a C-terminal C2 domain. C2 domains fold into an 8-standed beta-sandwich that can adopt 2 structural arrangements: Type I and Type II, distinguished by a circular permutation involving their N- and C-terminal beta strands. Many C2 domains are Ca2+-dependent membrane-targeting modules that bind a wide variety of substances including bind phospholipids, inositol polyphosphates, and intracellular proteins. Most C2 domain proteins are either signal transduction enzymes that contain a single C2 domain, such as protein kinase C, or membrane trafficking proteins which contain at least two C2 domains, such as synaptotagmin 1. However, there are a few exceptions to this including RIM isoforms and some splice variants of piccolo/aczonin and intersectin which only have a single C2 domain. C2 domains with a calcium binding region have negatively charged residues, primarily aspartates, that serve as ligands for calcium ions. Members here have a type-II topology.


:

Pssm-ID: 175974 [Multi-domain]  Cd Length: 128  Bit Score: 136.52  E-value: 2.34e-37
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  694 ATTLSITVISGQFLS------ERSVRTYVEVELFGLPGDPKRRYRTKLSPStNSINPVWkEEPFVFEKIlMPELASLRVA 767
Cdd:cd00275      1 PLTLTIKIISGQQLPkpkgdkGSIVDPYVEVEIHGLPADDSAKFKTKVVKN-NGFNPVW-NETFEFDVT-VPELAFLRFV 77
                           90       100       110       120       130
                   ....*....|....*....|....*....|....*....|....*....|.
gi 2462544654  768 VMEE---GNKFLGHRIIPINALNSGYHHLCLHSESNMPLTMPALFIFLEMK 815
Cdd:cd00275     78 VYDEdsgDDDFLGQACLPLDSLRQGYRHVPLLDSKGEPLELSTLFVHIDIT 128
 
Name Accession Description Interval E-value
PI-PLCc_beta2 cd08624
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta2; This subfamily ...
311-662 0e+00

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta2; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-beta isozyme 2. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-beta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. PI-PLC-beta2 is expressed at highest levels in cells of hematopoietic origin. It is activated by the heterotrimeric G protein alpha q subunits through their C2 domain and long C-terminal extension. It is also activated by the beta-gamma subunits of heterotrimeric G proteins.


Pssm-ID: 176561 [Multi-domain]  Cd Length: 261  Bit Score: 552.74  E-value: 0e+00
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08624      1 HQDMTQPLNHYFINSSHNTYLTAGQFSGLSSPEMYRQVLLSGCRCVELDCWKGKPPDEEPIITHGFTMTTEILFKDAIEA 80
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVDSPRQQAKMAEYCRTIFGDMLLTEPLEKFPLKPGVPLPSPEDLRGKILIKNKKnqfsgp 470
Cdd:cd08624     81 IAESAFKTSPYPVILSFENHVDSPKQQAKMAEYCRTIFGDMLLTEPLEKYPLKPGVPLPSPEDLRGKILIKNKK------ 154
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtaYEEMSSLV 550
Cdd:cd08624    155 ------------------------------------------------------------------------YEEMSSLV 162
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEFSAprlftcifsghkhKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08624    163 NYIQPTKFVSFEFSA-------------QKNRSYVISSFTELKAYDLLSKASVQFVEYNKRQMSRIYPKGTRMDSSNYMP 229
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08624    230 QMFWNVGCQMVALNFQTMDLPMQQNMALFEFN 261
EFh_PI-PLCbeta2 cd16209
EF-hand motif found in phosphoinositide phospholipase C beta 2 (PI-PLC-beta2); PI-PLC-beta2, ...
149-299 4.23e-105

EF-hand motif found in phosphoinositide phospholipase C beta 2 (PI-PLC-beta2); PI-PLC-beta2, also termed 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-2, or phospholipase C-beta-2 (PLC-beta2), is expressed at highest levels in cells of hematopoietic origin. It is activated by the heterotrimeric G protein alpha q subunits (G alpha(q)) through their C2 domain and long C-terminal extension. It is also activated by the beta-gamma subunits of heterotrimeric G proteins. PI-PLC-beta2 has two cellular binding partners, alpha- and gamma-synuclein. The binding of either alpha- and gamma-synuclein inhibits PI-PLC-beta2 activity through preventing the binding of its activator G alpha(q). However, the binding of gamma-synuclein to PI-PLC-beta2 does not affect its binding to G beta(gamma) subunits or small G proteins, but enhances these signals. Meanwhile, gamma-synuclein may protect PI-PLC-beta2 from protease degradation and contribute to its over-expression in breast cancer. In leukocytes, the G beta(gamma)-mediated activation of PI-PLC-beta2 can be promoted by a scaffolding protein WDR26, which is also required for the translocation of PI-PLC-beta2 from the cytosol to the membrane in polarized leukocytes. PI-PLC-beta2 contains a core set of domains, including an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C2 domain. Besides, it has a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence.


Pssm-ID: 320039  Cd Length: 151  Bit Score: 324.14  E-value: 4.23e-105
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  149 DKILVKLKMQLNSEGKIPVKNFFQMFPADRKRVEAALSACHLPKGKNDAINPEDFPEPVYKSFLMSLCPRPEIDEIFTSY 228
Cdd:cd16209      1 EKIYVKLKMQLNSEGKIPVKNFFQMFPADRKRVEAALSACHLPKGKNDAINPEDFPEAVFKTFLMQLCPRPEIDEIFTSY 80
                           90       100       110       120       130       140       150
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|.
gi 2462544654  229 HAKAKPYMTKEHLTKFINQKQRDSRLNSLLFPPARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFLCGPE 299
Cdd:cd16209     81 HAKAKPYMTKEHLTKFINKKQRDSRLNEELFPPARPDQVQGLIEKYEPSGINAQRGQLSPEGMVWFLCGPE 151
PI-PLC-X pfam00388
Phosphatidylinositol-specific phospholipase C, X domain; This associates with pfam00387 to ...
314-462 5.00e-80

Phosphatidylinositol-specific phospholipase C, X domain; This associates with pfam00387 to form a single structural unit.


Pssm-ID: 459795 [Multi-domain]  Cd Length: 142  Bit Score: 256.66  E-value: 5.00e-80
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  314 MTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEAIAE 393
Cdd:pfam00388    1 MSQPLSHYFISSSHNTYLTGDQLTGESSVEAYIRALLRGCRCVELDCWDG--PDGEPVVYHGYTLTSKIPFRDVLEAIKD 78
                           90       100       110       120       130       140
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 2462544654  394 SAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLEkfplKPGVPLPSPEDLRGKILIKN 462
Cdd:pfam00388   79 YAFVTSPYPVILSLENHC-SPEQQKKMAEILKEIFGDMLYTPPLD----DDLTELPSPEDLKGKILIKG 142
PH_14 pfam17787
PH domain; This entry corresponds to the PH domain found at the N-terminus of phospholipase C ...
12-141 4.64e-70

PH domain; This entry corresponds to the PH domain found at the N-terminus of phospholipase C enzymes.


Pssm-ID: 465506  Cd Length: 131  Bit Score: 228.80  E-value: 4.64e-70
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   12 KVKAYLSQGERFIKWDDETTVASP-VILRVDPKGYYLYWTYQSKEMEFLDITSIRDTRFGKFAKMPKSQKLRDVFNMDFP 90
Cdd:pfam17787    1 EVPEKLQKGELFIKWDEESTVAEPnVLLKVDPKGFFLYWKSQGKEGEVLEITSIRDTRLGKFAKIPKDPKLREVLSMGGS 80
                           90       100       110       120       130
                   ....*....|....*....|....*....|....*....|....*....|.
gi 2462544654   91 DNSFLLKTLTVVSGPDMVDLTFHNFVSYKENVGKAWAEDVLALVKHPLTAN 141
Cdd:pfam17787   81 DNSLEDKTLTVVSGTDMVNINFHNFVASNSEVAKNWAEGLRALAHNVLAAN 131
PLCXc smart00148
Phospholipase C, catalytic domain (part); domain X; Phosphoinositide-specific phospholipases C. ...
314-463 7.41e-65

Phospholipase C, catalytic domain (part); domain X; Phosphoinositide-specific phospholipases C. These enzymes contain 2 regions (X and Y) which together form a TIM barrel-like structure containing the active site residues. Phospholipase C enzymes (PI-PLC) act as signal transducers that generate two second messengers, inositol-1,4,5-trisphosphate and diacylglycerol. The bacterial enzyme appears to be a homologue of the mammalian PLCs.


Pssm-ID: 197543 [Multi-domain]  Cd Length: 143  Bit Score: 214.84  E-value: 7.41e-65
                            10        20        30        40        50        60        70        80
                    ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   314 MTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEAIAE 393
Cdd:smart00148    1 MDKPLSHYFIPSSHNTYLTGKQLWGESSVEGYIQALDAGCRCVELDCWDG--PDGEPVIYHGHTFTLPIKLSEVLEAIKD 78
                            90       100       110       120       130       140       150
                    ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   394 SAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLEKFPLKpgvpLPSPEDLRGKILIKNK 463
Cdd:smart00148   79 FAFVTSPYPVILSLENHC-SPDQQAKMAQMFKEIFGDMLYTPPLTSSLEV----LPSPEQLRGKILLKVR 143
PLN02228 PLN02228
Phosphoinositide phospholipase C
217-799 1.21e-57

Phosphoinositide phospholipase C


Pssm-ID: 177873 [Multi-domain]  Cd Length: 567  Bit Score: 209.12  E-value: 1.21e-57
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  217 PRPEIDEIFTSYHAKAKpyMTKEHLTKFINQKQRDSRlnsllfppARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFLC 296
Cdd:PLN02228    22 PPVSIKRLFEAYSRNGK--MSFDELLRFVSEVQGERH--------AGLDYVQDIFHSVKHHNVFHHHGLVHLNAFYRYLF 91
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  297 GPENSVLAQDKLLlHHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKgKPPDEEPIITHGF 376
Cdd:PLN02228    92 SDTNSPLPMSGQV-HHDMKAPLSHYFVYTGHNSYLTGNQVNSRSSVEPIVQALRKGVKVIELDLWP-NPSGNAAEVRHGR 169
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  377 TMTTDIFFKEAIEAIAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLL---TEPLEKFplkpgvplPSPED 453
Cdd:PLN02228   170 TLTSHEDLQKCLNAIKDNAFQVSDYPVVITLEDHL-PPNLQAQVAKMLTKTFRGMLFrctSESTKHF--------PSPEE 240
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  454 LRGKILIKNKKNQFSGPTSSSKDTggeaegssppSAPAGEGTVWAGEEGTeleeeeveeeeeeesgnldEEEIKKMQSDE 533
Cdd:PLN02228   241 LKNKILISTKPPKEYLESKTVQTT----------RTPTVKETSWKRVADA-------------------ENKILEEYKDE 291
                          330       340       350       360       370       380       390       400
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  534 GTAGLEvtaYEEMSSL--VNYIQPTKfvsfefsaprlfTCIfSGHKHKKNRsyviSSFTELKAYDLLSKASVQFVDYNKR 611
Cdd:PLN02228   292 ESEAVG---YRDLIAIhaANCKDPLK------------DCL-SDDPEKPIR----VSMDEQWLETMVRTRGTDLVRFTQR 351
                          410       420       430       440       450       460       470       480
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  612 QMSRIYPKGTRMDSSNYMPQMFWNAGCQMVALNFQT--MDLPMQQNMavFEFNGQSGYLLKHEFMRRPDKQFNPFSvdri 689
Cdd:PLN02228   352 NLVRIYPKGTRVDSSNYDPHVGWTHGAQMVAFNMQGhgKQLWIMQGM--FRANGGCGYVKKPRILLDEHTLFDPCK---- 425
                          490       500       510       520       530       540       550       560
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  690 DVVVATTLSITVISGQ----------FLSERSVRTYVEVELFGLPGDPKrRYRTKLspSTNSINPVWKEEPFVFEkILMP 759
Cdd:PLN02228   426 RLPIKTTLKVKIYTGEgwdldfhlthFDQYSPPDFFVKIGIAGVPRDTV-SYRTET--AVDQWFPIWGNDEFLFQ-LRVP 501
                          570       580       590       600
                   ....*....|....*....|....*....|....*....|....
gi 2462544654  760 ELASLRVAVME----EGNKFLGHRIIPINALNSGYHHLCLHSES 799
Cdd:PLN02228   502 ELALLWFKVQDydndTQNDFAGQTCLPLPELKSGVRAVRLHDRA 545
PH_PLC_beta cd13361
Phospholipase C-beta (PLC-beta) pleckstrin homology (PH) domain; PLC-beta (PLCbeta) is ...
17-144 5.00e-56

Phospholipase C-beta (PLC-beta) pleckstrin homology (PH) domain; PLC-beta (PLCbeta) is regulated by heterotrimeric G protein-coupled receptors through their C2 domain and long C-terminal extension which forms an autoinhibitory helix. There are four isoforms: PLC-beta1-4. The PH domain of PLC-beta2 and PLC-beta3 plays a dual role, much like PLC-delta1, by binding to the plasma membrane, as well as the interaction site for the catalytic activator. However, PLC-beta binds to the lipid surface independent of PIP2. PLC-beta1 seems to play unspecified roles in cellular proliferation and differentiation. PLC-beta consists of an N-terminal PH domain, a EF hand domain, a catalytic domain split into X and Y halves, a C2 domain and a C-terminal PDZ. Members of the Rho GTPase family (e.g., Rac1, Rac2, Rac3, and cdc42) have been implicated in their activation by binding to an alternate site on the N-terminal PH domain. A basic amino acid region within the enzyme's long C-terminal tail appears to function as a Nuclear Localization Signal for import into the nucleus. PLCs (EC 3.1.4.3) play a role in the initiation of cellular activation, proliferation, differentiation and apoptosis. They are central to inositol lipid signalling pathways, facilitating intracellular Ca2+ release and protein kinase C (PKC) activation. Specificaly, PLCs catalyze the cleavage of phosphatidylinositol-4,5-bisphosphate (PIP2) and result in the release of 1,2-diacylglycerol (DAG) and inositol 1,4,5-triphosphate (IP3). These products trigger the activation of protein kinase C (PKC) and the release of Ca2+ from intracellular stores. There are fourteen kinds of mammalian phospholipase C proteins which are are classified into six isotypes (beta, gamma, delta, epsilon, zeta, eta). PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes.the plasma membrane, but only a few (less than 10%) display strong specificity in binding inositol phosphates. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinases, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, cytoskeletal associated molecules, and in lipid associated enzymes.


Pssm-ID: 270167  Cd Length: 127  Bit Score: 189.70  E-value: 5.00e-56
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   17 LSQGERFIKWDDETTVASPVILRVDPKGYYLYWTYQSKEMEFLDITSIRDTRFGKFAKMPKSQKLRDVfNMDFPDNSFLL 96
Cdd:cd13361      1 LLKGSKFDKWDEDSSLETPVTLKVDEYGFFLYWKSEGKETEVLDLSLIRDVRTGKYPKDPKDLKEREV-NVGGSDEDLED 79
                           90       100       110       120
                   ....*....|....*....|....*....|....*....|....*...
gi 2462544654   97 KTLTVVSGPDMVDLTFHNFVSYKENVGKAWAEDVLALVKHPLTANASR 144
Cdd:cd13361     80 RTLTIVSGTDLVNISFINFVAESEEVAKIWTEGLFKLAHNLLANNASP 127
C2_PLC_like cd00275
C2 domain present in Phosphoinositide-specific phospholipases C (PLC); PLCs are involved in ...
694-815 2.34e-37

C2 domain present in Phosphoinositide-specific phospholipases C (PLC); PLCs are involved in the hydrolysis of phosphatidylinositol-4,5-bisphosphate (PIP2) to d-myo-inositol-1,4,5-trisphosphate (1,4,5-IP3) and sn-1,2-diacylglycerol (DAG). 1,4,5-IP3 and DAG are second messengers in eukaryotic signal transduction cascades. PLC is composed of a N-terminal PH domain followed by a series of EF hands, a catalytic TIM barrel and a C-terminal C2 domain. C2 domains fold into an 8-standed beta-sandwich that can adopt 2 structural arrangements: Type I and Type II, distinguished by a circular permutation involving their N- and C-terminal beta strands. Many C2 domains are Ca2+-dependent membrane-targeting modules that bind a wide variety of substances including bind phospholipids, inositol polyphosphates, and intracellular proteins. Most C2 domain proteins are either signal transduction enzymes that contain a single C2 domain, such as protein kinase C, or membrane trafficking proteins which contain at least two C2 domains, such as synaptotagmin 1. However, there are a few exceptions to this including RIM isoforms and some splice variants of piccolo/aczonin and intersectin which only have a single C2 domain. C2 domains with a calcium binding region have negatively charged residues, primarily aspartates, that serve as ligands for calcium ions. Members here have a type-II topology.


Pssm-ID: 175974 [Multi-domain]  Cd Length: 128  Bit Score: 136.52  E-value: 2.34e-37
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  694 ATTLSITVISGQFLS------ERSVRTYVEVELFGLPGDPKRRYRTKLSPStNSINPVWkEEPFVFEKIlMPELASLRVA 767
Cdd:cd00275      1 PLTLTIKIISGQQLPkpkgdkGSIVDPYVEVEIHGLPADDSAKFKTKVVKN-NGFNPVW-NETFEFDVT-VPELAFLRFV 77
                           90       100       110       120       130
                   ....*....|....*....|....*....|....*....|....*....|.
gi 2462544654  768 VMEE---GNKFLGHRIIPINALNSGYHHLCLHSESNMPLTMPALFIFLEMK 815
Cdd:cd00275     78 VYDEdsgDDDFLGQACLPLDSLRQGYRHVPLLDSKGEPLELSTLFVHIDIT 128
C2 smart00239
Protein kinase C conserved region 2 (CalB); Ca2+-binding motif present in phospholipases, ...
696-792 6.07e-14

Protein kinase C conserved region 2 (CalB); Ca2+-binding motif present in phospholipases, protein kinases C, and synaptotagmins (among others). Some do not appear to contain Ca2+-binding sites. Particular C2s appear to bind phospholipids, inositol polyphosphates, and intracellular proteins. Unusual occurrence in perforin. Synaptotagmin and PLC C2s are permuted in sequence with respect to N- and C-terminal beta strands. SMART detects C2 domains using one or both of two profiles.


Pssm-ID: 214577 [Multi-domain]  Cd Length: 101  Bit Score: 68.67  E-value: 6.07e-14
                            10        20        30        40        50        60        70        80
                    ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   696 TLSITVISGQFLSER----SVRTYVEVELFGlpgDPKRRYRTKLSPSTNsiNPVWKEEpFVFEkILMPELASLRVAVMEE 771
Cdd:smart00239    1 TLTVKIISARNLPPKdkggKSDPYVKVSLDG---DPKEKKKTKVVKNTL--NPVWNET-FEFE-VPPPELAELEIEVYDK 73
                            90       100
                    ....*....|....*....|....*
gi 2462544654   772 ----GNKFLGHRIIPINALNSGYHH 792
Cdd:smart00239   74 drfgRDDFIGQVTIPLSDLLLGGRH 98
C2 pfam00168
C2 domain;
696-789 2.73e-10

C2 domain;


Pssm-ID: 425499 [Multi-domain]  Cd Length: 104  Bit Score: 58.48  E-value: 2.73e-10
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  696 TLSITVISGQFL----SERSVRTYVEVELfglpGDPKRRYRTKLSPstNSINPVWKEEpFVFEkILMPELASLRVAVMEE 771
Cdd:pfam00168    2 RLTVTVIEAKNLppkdGNGTSDPYVKVYL----LDGKQKKKTKVVK--NTLNPVWNET-FTFS-VPDPENAVLEIEVYDY 73
                           90       100
                   ....*....|....*....|..
gi 2462544654  772 ----GNKFLGHRIIPINALNSG 789
Cdd:pfam00168   74 drfgRDDFIGEVRIPLSELDSG 95
EF-hand_like pfam09279
Phosphoinositide-specific phospholipase C, efhand-like; Members of this family are ...
215-303 1.14e-09

Phosphoinositide-specific phospholipase C, efhand-like; Members of this family are predominantly found in phosphoinositide-specific phospholipase C. They adopt a structure consisting of a core of four alpha helices, in an EF like fold, and are required for functioning of the enzyme.


Pssm-ID: 401279 [Multi-domain]  Cd Length: 85  Bit Score: 55.72  E-value: 1.14e-09
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  215 LCPRPEIDEIFTSYhAKAKPYMTKEHLTKFINQKQRDSRlnsllfppARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWF 294
Cdd:pfam09279    5 LTQREEIDEIFQEY-SGDGQKLSLDELVDFLREEQREED--------ASPALALSLIERYEPSETAKKQHAMTKDGFLMY 75

                   ....*....
gi 2462544654  295 LCGPENSVL 303
Cdd:pfam09279   76 LCSPDGSIF 84
 
Name Accession Description Interval E-value
PI-PLCc_beta2 cd08624
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta2; This subfamily ...
311-662 0e+00

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta2; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-beta isozyme 2. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-beta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. PI-PLC-beta2 is expressed at highest levels in cells of hematopoietic origin. It is activated by the heterotrimeric G protein alpha q subunits through their C2 domain and long C-terminal extension. It is also activated by the beta-gamma subunits of heterotrimeric G proteins.


Pssm-ID: 176561 [Multi-domain]  Cd Length: 261  Bit Score: 552.74  E-value: 0e+00
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08624      1 HQDMTQPLNHYFINSSHNTYLTAGQFSGLSSPEMYRQVLLSGCRCVELDCWKGKPPDEEPIITHGFTMTTEILFKDAIEA 80
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVDSPRQQAKMAEYCRTIFGDMLLTEPLEKFPLKPGVPLPSPEDLRGKILIKNKKnqfsgp 470
Cdd:cd08624     81 IAESAFKTSPYPVILSFENHVDSPKQQAKMAEYCRTIFGDMLLTEPLEKYPLKPGVPLPSPEDLRGKILIKNKK------ 154
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtaYEEMSSLV 550
Cdd:cd08624    155 ------------------------------------------------------------------------YEEMSSLV 162
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEFSAprlftcifsghkhKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08624    163 NYIQPTKFVSFEFSA-------------QKNRSYVISSFTELKAYDLLSKASVQFVEYNKRQMSRIYPKGTRMDSSNYMP 229
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08624    230 QMFWNVGCQMVALNFQTMDLPMQQNMALFEFN 261
PI-PLCc_beta cd08591
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta; This subfamily ...
311-662 0e+00

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-beta isozymes. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-beta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. There are four PLC-beta isozymes (1-4). They are activated by the heterotrimeric G protein alpha q subunits through their C2 domain and long C-terminal extension. The beta-gamma subunits of heterotrimeric G proteins are known to activate the PLC-beta2 and -beta3 isozymes only. Aside from four PLC-beta isozymes identified in mammals, some eukaryotic PLC-beta homologs have been classified into this subfamily, such as NorpA and PLC-21 from Drosophila and PLC-beta from turkey, Xenopus, sponge, and hydra.


Pssm-ID: 176533 [Multi-domain]  Cd Length: 257  Bit Score: 538.46  E-value: 0e+00
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08591      1 YQDMDQPLSHYFINSSHNTYLTGRQFGGKSSVEMYRQVLLSGCRCIELDCWDGKGEDEEPIITHGKTMCTEILFKDVIEA 80
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVDSPrQQAKMAEYCRTIFGDMLLTEPLEKFPLKPGVPLPSPEDLRGKILIKNKKnqfsgp 470
Cdd:cd08591     81 IAETAFKTSEYPVILSFENHCSSK-QQAKMAEYCREIFGDLLLTEPLEKYPLEPGVPLPSPNDLKRKILIKNKK------ 153
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayeeMSSLV 550
Cdd:cd08591    154 ---------------------------------------------------------------------------LSSLV 158
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEFSAprlftcifsghkhKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08591    159 NYIQPVKFQGFEVAE-------------KRNKHYEMSSFNESKGLGYLKKSPIEFVNYNKRQLSRIYPKGTRVDSSNYMP 225
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08591    226 QIFWNAGCQMVALNFQTPDLPMQLNQGKFEYN 257
PI-PLCc_beta3 cd08625
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta3; This subfamily ...
313-662 5.00e-148

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta3; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-beta isozyme 3. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-beta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. PI-PLC-beta3 is widely expressed at highest levels in brain, liver, and parotid gland. It is activated by the heterotrimeric G protein alpha q subunits through their C2 domain and long C-terminal extension. It is also activated by the beta-gamma subunits of heterotrimeric G proteins.


Pssm-ID: 176562 [Multi-domain]  Cd Length: 258  Bit Score: 440.65  E-value: 5.00e-148
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  313 DMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDEEPIITHGFTMTTDIFFKEAIEAIA 392
Cdd:cd08625      3 DMNQPLSHYFINSSHNTYLTAGQLTGLSSVEMYRQVLLTGCRCIELDCWKGRPPEEEPFITHGFTMTTEIPFKDVIEAIA 82
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  393 ESAFKTSPYPIILSFENHVDSPRQQAKMAEYCRTIFGDMLLTEPLEKFPLKPGVPLPSPEDLRGKILIKNKKnqfsgpts 472
Cdd:cd08625     83 ESAFKTSPYPVILSFENHVDSAKQQAKMAEYCRSIFGDALLIDPLDKYPLVPGVQLPSPQELMGKILVKNKK-------- 154
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  473 sskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayeeMSSLVNY 552
Cdd:cd08625    155 -------------------------------------------------------------------------MSTLVNY 161
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  553 IQPTKFVSFEFSAprlftcifsghkhKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMPQM 632
Cdd:cd08625    162 IEPVKFKSFEAAA-------------KRNKFFEMSSFVETKAMEQLTKSPMEFVEYNKKQLSRIYPKGTRVDSSNYMPQL 228
                          330       340       350
                   ....*....|....*....|....*....|
gi 2462544654  633 FWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08625    229 FWNVGCQMVALNFQTLDLAMQLNMGVFEYN 258
PI-PLCc_eukaryota cd08558
Catalytic domain of eukaryotic phosphoinositide-specific phospholipase C and similar proteins; ...
311-662 5.73e-135

Catalytic domain of eukaryotic phosphoinositide-specific phospholipase C and similar proteins; This family corresponds to the catalytic domain present in eukaryotic phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11) and similar proteins. The higher eukaryotic PI-PLCs play a critical role in most signal transduction pathways, controlling numerous cellular events such as cell growth, proliferation, excitation and secretion. They strictly require Ca2+ for the catalytic activity. They display a clear preference towards the hydrolysis of the more highly phosphorylated membrane phospholipids PI-analogues, phosphatidylinositol 4,5-bisphosphate (PIP2) and phosphatidylinositol-4-phosphate (PIP), to generate two important second messengers in eukaryotic signal transduction cascades, inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. The eukaryotic PI-PLCs have a multidomain organization that consists of a PLC catalytic core domain, and various regulatory domains, such as the pleckstrin homology (PH) domain, EF-hand motif, and C2 domain. The catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a linker region. The catalytic mechanism of eukaryotic PI-PLCs is based on general base and acid catalysis utilizing two well conserved histidines and consists of two steps, a phosphotransfer and a phosphodiesterase reaction. The mammalian PI-PLCs consist of 13 isozymes, which are classified into six-subfamilies, PI-PLC-delta (1,3 and 4), -beta(1-4), -gamma(1,2), -epsilon, -zeta, and -eta (1,2). Ca2+ is required for the activation of all forms of mammalian PI-PLCs, and the concentration of calcium influences substrate specificity. This family also includes metazoan phospholipase C related but catalytically inactive proteins (PRIP), which belong to a group of novel inositol trisphosphate binding proteins. Due to the replacement of critical catalytic residues, PRIP does not have PLC enzymatic activity.


Pssm-ID: 176501 [Multi-domain]  Cd Length: 226  Bit Score: 405.30  E-value: 5.73e-135
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08558      1 YQDMTQPLSHYFISSSHNTYLTGDQLTGESSVEAYIRALLRGCRCVELDCWDG--PDGEPVVYHGHTLTSKILFKDVIEA 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLEKFPlkpgVPLPSPEDLRGKILIKNKKNQfsgp 470
Cdd:cd08558     79 IKEYAFVTSPYPVILSLENHC-SLEQQKKMAQILKEIFGDKLLTPPLDENP----VQLPSPEQLKGKILIKGKKYH---- 149
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayeemsslv 550
Cdd:cd08558        --------------------------------------------------------------------------------
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 nyiqptkfvsfefsaprlftcifsghkhkknrsyvISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08558    150 -----------------------------------MSSFSETKALKLLKESPEEFVKYNKRQLSRVYPKGTRVDSSNYNP 194
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08558    195 QPFWNAGCQMVALNYQTPDLPMQLNQGKFEQN 226
PI-PLCc_beta1 cd08623
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta1; This subfamily ...
313-662 2.58e-132

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta1; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-beta isozyme 1. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-beta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. PI-PLC-beta1 is expressed at highest levels in specific regions of the brain. It is activated by the heterotrimeric G protein alpha q subunits through their C2 domain and long C-terminal extension.


Pssm-ID: 176560 [Multi-domain]  Cd Length: 258  Bit Score: 399.84  E-value: 2.58e-132
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  313 DMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDEEPIITHGFTMTTDIFFKEAIEAIA 392
Cdd:cd08623      3 DMSQPLSHYFINSSHNTYLTAGQLAGNSSVEMYRQVLLSGCRCVELDCWKGRTAEEEPVITHGFTMTTEISFKEVIEAIA 82
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  393 ESAFKTSPYPIILSFENHVDSPRQQAKMAEYCRTIFGDMLLTEPLEKFPLKPGVPLPSPEDLRGKILIKNKKnqfsgpts 472
Cdd:cd08623     83 ECAFKTSPFPILLSFENHVDSPKQQAKMAEYCRLIFGDALLMEPLEKYPLESGVPLPSPMDLMYKILVKNKK-------- 154
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  473 sskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayeeMSSLVNY 552
Cdd:cd08623    155 -------------------------------------------------------------------------MSNLVNY 161
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  553 IQPTKFVSFEFSaprlftcifsghkHKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMPQM 632
Cdd:cd08623    162 IQPVKFESFEAS-------------KKRNKSFEMSSFVETKGLEQLTKSPVEFVEYNKMQLSRIYPKGTRVDSSNYMPQL 228
                          330       340       350
                   ....*....|....*....|....*....|
gi 2462544654  633 FWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08623    229 FWNAGCQMVALNFQTVDLSMQINMGMYEYN 258
PI-PLCc_beta4 cd08626
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta4; This subfamily ...
311-662 1.33e-128

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-beta4; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-beta isozyme 4. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-beta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. PI-PLC-beta4 is expressed in high concentrations in cerebellar Purkinje and granule cells, the median geniculate body, and the lateral geniculate nucleus. It is activated by the heterotrimeric G protein alpha q subunits through their C2 domain and long C-terminal extension.


Pssm-ID: 176563 [Multi-domain]  Cd Length: 257  Bit Score: 390.28  E-value: 1.33e-128
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08626      1 YQDMDQPLAHYFINSSHNTYLTGRQFGGKSSVEMYRQVLLAGCRCIELDCWDGKGEDQEPIITHGKAMCTDILFKDVIQA 80
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVDSPrQQAKMAEYCRTIFGDMLLTEPLEKFPLKPGVPLPSPEDLRGKILIKNKKnqfsgp 470
Cdd:cd08626     81 IKDTAFVTSDYPVILSFENHCSKP-QQYKLAKYCEEIFGDLLLTKPLESHPLEPGVPLPSPNKLKRKILIKNKR------ 153
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayeeMSSLV 550
Cdd:cd08626    154 ---------------------------------------------------------------------------LSSLV 158
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEFSaprlftcifsghkHKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08626    159 NYAQPVKFQGFDVA-------------EERNIHFNMSSFNESVGLGYLKTSAIEFVNYNKRQMSRIYPKGTRVDSSNYMP 225
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08626    226 QIFWNAGCQMVSLNFQTPDLGMQLNQGKFEYN 257
PI-PLCc_delta cd08593
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-delta; This subfamily ...
311-662 1.27e-110

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-delta; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-delta isozymes. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-delta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, and a C-terminal C2 domain. This CD corresponds to the catalytic domain which is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. There are three PI-PLC-delta isozymes (1,3 and 4). PI-PLC-delta1 is relatively well characterized. It is activated by high calcium levels generated by other PI-PLC family members, and therefore functions as a calcium amplifier within the cell. Different PI-PLC-delta isozymes have different tissue distribution and different subcellular locations. PI-PLC-delta1 is mostly a cytoplasmic protein, PI-PLC-delta3 is located in the membrane, and PI-PLC-delta4 is predominantly detected in the cell nucleus. Aside from three PI-PLC-delta isozymes identified in mammals, some eukaryotic PI-PLC-delta homologs have been classified to this CD.


Pssm-ID: 176535 [Multi-domain]  Cd Length: 257  Bit Score: 343.17  E-value: 1.27e-110
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08593      1 YQDMTQPLSHYFIASSHNTYLLEDQLKGPSSTEAYIRALKKGCRCVELDCWDG--PDGEPIIYHGHTLTSKILFKDVIQA 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLEkfplKPGVPLPSPEDLRGKILIKNKKNQFSgp 470
Cdd:cd08593     79 IREYAFKVSPYPVILSLENHC-SVEQQKVMAQHLKSILGDKLLTQPLD----GVLTALPSPEELKGKILVKGKKLKLA-- 151
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayEEMSSLV 550
Cdd:cd08593    152 -------------------------------------------------------------------------KELSDLV 158
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEfsaprlftcifsgHKHKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08593    159 IYCKSVHFKSFE-------------HSKENYHFYEMSSFSESKALKLAQESGNEFVRHNKRQLSRIYPAGLRTDSSNYDP 225
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08593    226 QEMWNVGCQIVALNFQTPGEEMDLNDGLFRQN 257
PI-PLCc cd00137
Catalytic domain of prokaryotic and eukaryotic phosphoinositide-specific phospholipase C; This ...
311-662 5.97e-107

Catalytic domain of prokaryotic and eukaryotic phosphoinositide-specific phospholipase C; This subfamily corresponds to the catalytic domain present in prokaryotic and eukaryotic phosphoinositide-specific phospholipase C (PI-PLC), which is a ubiquitous enzyme catalyzing the cleavage of the sn3-phosphodiester bond in the membrane phosphoinositides (phosphatidylinositol, PI; Phosphatidylinositol-4-phosphate, PIP; phosphatidylinositol 4,5-bisphosphate, PIP2) to yield inositol phosphates (inositol monosphosphate, InsP; inositol diphosphate, InsP2; inositol trisphosphate, InsP3) and diacylglycerol (DAG). The higher eukaryotic PI-PLCs (EC 3.1.4.11) have a multidomain organization that consists of a PLC catalytic core domain, and various regulatory domains. They play a critical role in most signal transduction pathways, controlling numerous cellular events, such as cell growth, proliferation, excitation and secretion. These PI-PLCs strictly require Ca2+ for their catalytic activity. They display a clear preference towards the hydrolysis of the more highly phosphorylated PI-analogues, PIP2 and PIP, to generate two important second messengers, InsP3 and DAG. InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. In contrast, bacterial PI-PLCs contain a single catalytic domain. Although their precise physiological function remains unclear, bacterial PI-PLCs may function as virulence factors in some pathogenic bacteria. They participate in Ca2+-independent PI metabolism. They are characterized as phosphatidylinositol-specific phospholipase C (EC 4.6.1.13) that selectively hydrolyze PI, not PIP or PIP2. The TIM-barrel type catalytic domain in bacterial PI-PLCs is very similar to the one in eukaryotic PI-PLCs, in which the catalytic domain is assembled from two highly conserved X- and Y-regions split by a divergent linker sequence. The catalytic mechanism of both prokaryotic and eukaryotic PI-PLCs is based on general base and acid catalysis utilizing two well conserved histidines, and consists of two steps, a phosphotransfer and a phosphodiesterase reaction. This superfamily also includes a distinctly different type of eukaryotic PLC, glycosylphosphatidylinositol-specific phospholipase C (GPI-PLC), an integral membrane protein characterized in the protozoan parasite Trypanosoma brucei. T. brucei GPI-PLC hydrolyzes the GPI-anchor on the variant specific glycoprotein (VSG), releasing dimyristyl glycerol (DMG), which may facilitate the evasion of the protozoan to the host#s immune system. It does not require Ca2+ for its activity and is more closely related to bacterial PI-PLCs, but not mammalian PI-PLCs.


Pssm-ID: 176497 [Multi-domain]  Cd Length: 274  Bit Score: 334.23  E-value: 5.97e-107
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFS-----GLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTtDIFFK 385
Cdd:cd00137      1 HHPDTQPLAHYSIPGTHDTYLTAGQFTikqvwGLTQTEMYRQQLLSGCRCVDIRCWDG--KPEEPIIYHGPTFL-DIFLK 77
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  386 EAIEAIAESAFKTSPYPIILSFENHVDS-PRQQAKMAEYCRTIFGDMLLTeplekFPLKPGVPLPSPEDLRGKILIKNKK 464
Cdd:cd00137     78 EVIEAIAQFLKKNPPETIIMSLKNEVDSmDSFQAKMAEYCRTIFGDMLLT-----PPLKPTVPLPSLEDLRGKILLLNKK 152
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  465 NQFSGPTSSSKDTGgeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtaye 544
Cdd:cd00137    153 NGFSGPTGSSNDTG------------------------------------------------------------------ 166
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  545 emsslvnyiqptkFVSFEFSAprlftcifsghkhKKNRSYVISSFTELKAYD----LLSKASVQFVDYNKRQMSRIYPKG 620
Cdd:cd00137    167 -------------FVSFEFST-------------QKNRSYNISSQDEYKAYDdekvKLIKATVQFVDYNKNQLSRNYPSG 220
                          330       340       350       360       370
                   ....*....|....*....|....*....|....*....|....*....|....
gi 2462544654  621 TR---------MDSSNYMPQMFWN---AGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd00137    221 TSggtawyyyaMDSNNYMPQMFWNanpAGCGIVILDFQTMDLPMQQYMAVIEFN 274
EFh_PI-PLCbeta2 cd16209
EF-hand motif found in phosphoinositide phospholipase C beta 2 (PI-PLC-beta2); PI-PLC-beta2, ...
149-299 4.23e-105

EF-hand motif found in phosphoinositide phospholipase C beta 2 (PI-PLC-beta2); PI-PLC-beta2, also termed 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-2, or phospholipase C-beta-2 (PLC-beta2), is expressed at highest levels in cells of hematopoietic origin. It is activated by the heterotrimeric G protein alpha q subunits (G alpha(q)) through their C2 domain and long C-terminal extension. It is also activated by the beta-gamma subunits of heterotrimeric G proteins. PI-PLC-beta2 has two cellular binding partners, alpha- and gamma-synuclein. The binding of either alpha- and gamma-synuclein inhibits PI-PLC-beta2 activity through preventing the binding of its activator G alpha(q). However, the binding of gamma-synuclein to PI-PLC-beta2 does not affect its binding to G beta(gamma) subunits or small G proteins, but enhances these signals. Meanwhile, gamma-synuclein may protect PI-PLC-beta2 from protease degradation and contribute to its over-expression in breast cancer. In leukocytes, the G beta(gamma)-mediated activation of PI-PLC-beta2 can be promoted by a scaffolding protein WDR26, which is also required for the translocation of PI-PLC-beta2 from the cytosol to the membrane in polarized leukocytes. PI-PLC-beta2 contains a core set of domains, including an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C2 domain. Besides, it has a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence.


Pssm-ID: 320039  Cd Length: 151  Bit Score: 324.14  E-value: 4.23e-105
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  149 DKILVKLKMQLNSEGKIPVKNFFQMFPADRKRVEAALSACHLPKGKNDAINPEDFPEPVYKSFLMSLCPRPEIDEIFTSY 228
Cdd:cd16209      1 EKIYVKLKMQLNSEGKIPVKNFFQMFPADRKRVEAALSACHLPKGKNDAINPEDFPEAVFKTFLMQLCPRPEIDEIFTSY 80
                           90       100       110       120       130       140       150
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|.
gi 2462544654  229 HAKAKPYMTKEHLTKFINQKQRDSRLNSLLFPPARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFLCGPE 299
Cdd:cd16209     81 HAKAKPYMTKEHLTKFINKKQRDSRLNEELFPPARPDQVQGLIEKYEPSGINAQRGQLSPEGMVWFLCGPE 151
PI-PLCc_PRIP_metazoa cd08597
Catalytic domain of metazoan phospholipase C related, but catalytically inactive protein; This ...
311-662 2.41e-89

Catalytic domain of metazoan phospholipase C related, but catalytically inactive protein; This family corresponds to the catalytic domain present in metazoan phospholipase C related, but catalytically inactive proteins (PRIP), which belong to a group of novel Inositol 1,4,5-trisphosphate (InsP3) binding protein. PRIP has a primary structure and domain architecture, incorporating a pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain with highly conserved X- and Y-regions split by a linker sequence, and a C-terminal C2 domain, similar to phosphoinositide-specific phospholipases C (PI-PLC, EC 3.1.4.11)-delta isoforms. Due to replacement of critical catalytic residues, PRIP do not have PLC enzymatic activity. PRIP consists of two subfamilies, PRIP-1(previously known as p130 or PLC-1), which is predominantly expressed in the brain, and PRIP-2 (previously known as PLC-2), which exhibits a relatively ubiquitous expression. Experiments show both, PRIP-1 and PRIP-2, are involved in InsP3-mediated calcium signaling pathway and GABA(A)receptor-mediated signaling pathway. In addition, PRIP-2 acts as a negative regulator of B-cell receptor signaling and immune responses.


Pssm-ID: 176539 [Multi-domain]  Cd Length: 260  Bit Score: 286.62  E-value: 2.41e-89
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08597      1 CQDMTQPLSHYFIASSHNTYLIEDQLRGPSSVEGYVRALQRGCRCVELDCWDG--PNGEPVIYHGHTLTSKISFRSVIEA 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPlekfPLKPGVPLPSPEDLRGKILIKNKKnqfsgp 470
Cdd:cd08597     79 INEYAFVASEYPLILCIENHC-SEKQQLVMAQYLKEIFGDKLYTEP----PNEGESYLPSPHDLKGKIIIKGKK------ 147
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeIKKMQsdegtaglevtAYEEMSSLV 550
Cdd:cd08597    148 -------------------------------------------------------LKRRK-----------LCKELSDLV 161
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEFSAprlftcifsghkhKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08597    162 SLCKSVRFQDFPTSA-------------QNQKYWEVCSFSENLARRLANEFPEDFVNYNKKFLSRVYPSPMRVDSSNYNP 228
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08597    229 QDFWNCGCQIVAMNYQTPGLMMDLNTGKFLEN 260
PI-PLC1c_yeast cd08598
Catalytic domain of putative yeast phosphatidylinositide-specific phospholipases C; This ...
312-659 1.34e-87

Catalytic domain of putative yeast phosphatidylinositide-specific phospholipases C; This family corresponds to the catalytic domain present in a group of putative phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11) encoded by PLC1 genes from yeasts, which are homologs of the delta isoforms of mammalian PI-PLC in terms of overall sequence similarity and domain organization. Mammalian PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. The prototype of this CD is protein Plc1p encoded by PLC1 genes from Saccharomyces cerevisiae. Plc1p contains both highly conserved X- and Y- regions of PLC catalytic core domain, as well as a presumptive EF-hand like calcium binding motif. Experiments show that Plc1p displays calcium dependent catalytic properties with high similarity to those of the mammalian PLCs, and plays multiple roles in modulating the membrane/protein interactions in filamentation control. CaPlc1p encoded by CAPLC1 from the closely related yeast Candida albicans, an orthologue of S. cerevisiae Plc1p, is also included in this group. Like Plc1p, CaPlc1p has conserved presumptive catalytic domain, shows PLC activity when expressed in E. coli, and is involved in multiple cellular processes. There are two other gene copies of CAPLC1 in C. albicans, CAPLC2 (also named as PIPLC) and CAPLC3. Experiments show CaPlc1p is the only enzyme in C. albicans which functions as PLC. The biological functions of CAPLC2 and CAPLC3 gene products must be clearly different from CaPlc1p, but their exact roles remain unclear. Moreover, CAPLC2 and CAPLC3 gene products are more similar to extracellular bacterial PI-PLC than to the eukaryotic PI-PLC, and they are not included in this subfamily.


Pssm-ID: 176540 [Multi-domain]  Cd Length: 231  Bit Score: 280.67  E-value: 1.34e-87
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  312 HDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEAI 391
Cdd:cd08598      2 EDLSRPLNEYFISSSHNTYLLGRQLAGDSSVEGYIRALQRGCRCVEIDVWDG--DDGEPVVTHGYTLTSSVPFRDVCRAI 79
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  392 AESAFKTSPYPIILSFENHVDsPRQQAKMAEYCRTIFGDMLLTEPLEKFPLKpgvpLPSPEDLRGKILIKNKKNqfsgpt 471
Cdd:cd08598     80 KKYAFVTSPYPLILSLEVHCD-AEQQERMVEIMKETFGDLLVTEPLDGLEDE----LPSPEELRGKILIKVKKE------ 148
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  472 ssskdtggeaegSSPPSapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayeemsslvn 551
Cdd:cd08598    149 ------------SKTPN--------------------------------------------------------------- 153
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  552 yiqptkfvsfefsaprlftcifsgHkhkknrsyvISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMPQ 631
Cdd:cd08598    154 ------------------------H---------IFSLSERSLLKLLKDKRAALDKHNRRHLMRVYPSGTRISSSNFNPL 200
                          330       340
                   ....*....|....*....|....*...
gi 2462544654  632 MFWNAGCQMVALNFQTMDLPMQQNMAVF 659
Cdd:cd08598    201 PFWRAGVQMVALNWQTYDLGMQLNEAMF 228
PI-PLCc_gamma cd08592
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-gamma; This family ...
312-662 6.92e-87

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-gamma; This family corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-gamma isozymes. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PI-PLC-gamma represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, and a C2 domain.The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. Unique to PI-PLC-gamma, a second PH domain, two SH2 (Src homology 2) regions, and one SH3 (Src homology 3) region is present within this linker region. There are two PI-PLC-gamma isozymes (1-2). They are activated by receptor and non-receptor tyrosine kinases due to the presence of two SH2 and a single SH3 domain within the linker region. Aside from the two PI-PLC-gamma isozymes identified in mammals, some eukaryotic PI-PLC-gamma homologs have been classified with this subfamily.


Pssm-ID: 176534 [Multi-domain]  Cd Length: 229  Bit Score: 278.93  E-value: 6.92e-87
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  312 HDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEAI 391
Cdd:cd08592      2 QDMNNPLSHYWIASSHNTYLTGDQLSSESSLEAYARCLRMGCRCIELDCWDG--PDGMPIIYHGHTLTSKIKFMDVLKTI 79
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  392 AESAFKTSPYPIILSFENHVDSPrQQAKMAEYCRTIFGDMLLTEPLEkfplKPGVPLPSPEDLRGKILIKNKKnqfsgpt 471
Cdd:cd08592     80 KEHAFVTSEYPVILSIENHCSLP-QQRNMAQAFKEVFGDMLLTQPVD----RNADQLPSPNQLKRKIIIKHKK------- 147
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  472 ssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtAYEEMsslvn 551
Cdd:cd08592    148 ----------------------------------------------------------------------LFYEM----- 152
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  552 yiqptkfvsfefsaprlftcifsghkhkknrsyviSSFTELKAYDLLSKA-SVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08592    153 -----------------------------------SSFPETKAEKYLNRQkGKIFLKYNRRQLSRVYPKGQRVDSSNYDP 197
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08592    198 VPMWNCGSQMVALNFQTPDKPMQLNQALFMLN 229
PI-PLCc_delta3 cd08630
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-delta3; This subfamily ...
311-662 1.36e-84

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-delta3; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-delta3 isozymes. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-delta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, and a C-terminal C2 domain. This family corresponds to the catalytic domain which is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. There are three PI-PLC-delta isozymes (1,3 and 4). Unlike PI-PLC-delta 4, PI-PLC-delta1 and 3 possess a putative nuclear export sequence (NES) located in the EF-hand domain, which may be responsible transporting PI-PLC-delta1 and 3 from the cell nucleus.


Pssm-ID: 176567 [Multi-domain]  Cd Length: 258  Bit Score: 273.82  E-value: 1.36e-84
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08630      1 FQDMSQPLAHYFISSSHNTYLTDSQIGGPSSTEAYVRAFAQGCRCVELDCWEG--PGGEPVIYHGHTLTSKILFRDVIQA 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLEKFPLKpgvPLPSPEDLRGKILIKNKKNQFSgp 470
Cdd:cd08630     79 VRQHAFTASPYPVILSLENHC-GLEQQAAMARHLQTILGDMLVTQPLDSLNPE---ELPSPEELKGRVLVKGKKLQIS-- 152
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayEEMSSLV 550
Cdd:cd08630    153 -------------------------------------------------------------------------PELSALA 159
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEfSAPrlftcifsghkhKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08630    160 VYCQATRLRTLE-PAP------------VQPQPCQVSSLSERKAKKLIREAGNSFVRHNARQLTRVYPLGLRMNSANYSP 226
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08630    227 QEMWNSGCQLVALNFQTPGYEMDLNAGRFLVN 258
PI-PLCc_delta1 cd08629
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-delta1; This subfamily ...
311-662 1.61e-81

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-delta1; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-delta1 isozymes. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-delta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, and a C-terminal C2 domain. This subfamily corresponds to the catalytic domain which is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. There are three PI-PLC-delta isozymes (1,3 and 4). PI-PLC-delta1 is relatively well characterized. It is activated by high calcium levels generated by other PI-PLC family members, and therefore functions as a calcium amplifier within the cell. Unlike PI-PLC-delta 4, PI-PLC-delta1 and 3 possess a putative nuclear export sequence (NES) located in the EF-hand domain, which may be responsible transporting PI-PLC-delta1and 3 from the cell nucleus. Experiments show PI-PLC-delta1 is essential for normal hair formation.


Pssm-ID: 176566 [Multi-domain]  Cd Length: 258  Bit Score: 265.36  E-value: 1.61e-81
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08629      1 YQDMDQPLSHYLVSSSHNTYLLEDQLTGPSSTEAYIRALCKGCRCLELDCWDG--PNQEPIIYHGYTFTSKILFCDVLRA 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLEkfplKPGVPLPSPEDLRGKILIKNKKNQFSgp 470
Cdd:cd08629     79 IRDYAFKASPYPVILSLENHC-SLEQQRVMARHLRAILGPILLDQPLD----GVTTSLPSPEQLKGKILLKGKKLKLV-- 151
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayEEMSSLV 550
Cdd:cd08629    152 -------------------------------------------------------------------------PELSDMI 158
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEFSaprlftcifsghKHKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08629    159 IYCKSVHFGGFSSP------------GTSGQAFYEMASFSESRALRLLQESGNGFVRHNVSCLSRIYPAGWRTDSSNYSP 226
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08629    227 VEMWNGGCQIVALNFQTPGPEMDVYLGCFQDN 258
PI-PLCc_zeta cd08595
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-zeta; This family ...
311-662 2.67e-81

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-zeta; This family corresponds to the catalytic domain presenting in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-zeta isozyme. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PI-PLC-zeta represents a class of sperm-specific PI-PLC that has an N-terminal EF-hand domain, a PLC catalytic core domain, and a C-terminal C2 domain. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. There is one PLC-zeta isozyme (1). PLC-zeta plays a fundamental role in vertebrate fertilization by initiating intracellular calcium oscillations that trigger the embryo development. However, the mechanism of its activation still remains unclear. Aside from PI-PLC-zeta identified in mammals, its eukaryotic homologs have been classified with this family.


Pssm-ID: 176537 [Multi-domain]  Cd Length: 257  Bit Score: 264.88  E-value: 2.67e-81
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKppDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08595      1 YQDMDHPLSDYFISSSHNTYLVSDQLVGPSDLDGYVSALRKGCRCLEIDCWDGA--DNEPVVYHGYTLTSKILFKEVITT 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLEKFPLKpgvPLPSPEDLRGKILIKNKKnqfsgp 470
Cdd:cd08595     79 VEKYAFEKSDYPVVLSLENHC-STEQQEIMAHYLVSILGEKLLRAPIDDPATG---ELPSPEALKFKILVKNKK------ 148
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeEIKKMQSDegtaglevtayeemssLV 550
Cdd:cd08595    149 ------------------------------------------------------KIAKALSD----------------LV 158
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEfsaprlftcifsgHKHKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08595    159 IYTKSEKFCSFT-------------HSRDNQHSYENNSIGENKARKLLKSSGADFVGHTQRFITRIYPKGTRASSSNYNP 225
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08595    226 QEFWNVGCQMVALNFQTLGAPMDLQNGKFLDN 257
PI-PLCc_delta4 cd08631
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-delta4; This subfamily ...
311-662 2.31e-80

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-delta4; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-delta4 isozymes. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PLC-delta represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, and a C-terminal C2 domain. This CD corresponds to the catalytic domain which is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. There are three PI-PLC-delta isozymes (1,3 and 4). Unlike PI-PLC-delta 1 and 3, a putative nuclear export sequence (NES) located in the EF-hand domain, which may be responsible transporting PI-PLC-delta1 and 3 from the cell nucleus, is not present in PI-PLC-delta4. Experiments show PI-PLC-delta4 is required for the acrosome reaction in fertilization.


Pssm-ID: 176568 [Multi-domain]  Cd Length: 258  Bit Score: 262.19  E-value: 2.31e-80
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08631      1 YQDMTQPLCHYFICSSHNTYLMEDQLRGQSSVEGYIRALKRGCRCVEVDVWDG--PNGEPIVYHGHTFTSKILFKDVVAA 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLE-KFPlkpgVPLPSPEDLRGKILIKNKKNQFSg 469
Cdd:cd08631     79 VAQYAFQVSDYPVILSLENHC-GVEQQQTMAQHLTEILGEKLLSTTLDgVLP----TQLPSPEELRGKILLKGKKIRLS- 152
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  470 ptssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayEEMSSL 549
Cdd:cd08631    153 --------------------------------------------------------------------------PELSDC 158
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  550 VNYIQPTKFVSFEfsaprlftcifsgHKHKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYM 629
Cdd:cd08631    159 VIYCKSVSFRSFT-------------HSREHYHFYEISSFTETKARKLIREAGNEFVQHNTWQLSRVYPSGLRTDSSNYN 225
                          330       340       350
                   ....*....|....*....|....*....|...
gi 2462544654  630 PQMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08631    226 PQEMWNAGCQMVALNFQTAGLEMDLNDGLFRQN 258
PI-PLC-X pfam00388
Phosphatidylinositol-specific phospholipase C, X domain; This associates with pfam00387 to ...
314-462 5.00e-80

Phosphatidylinositol-specific phospholipase C, X domain; This associates with pfam00387 to form a single structural unit.


Pssm-ID: 459795 [Multi-domain]  Cd Length: 142  Bit Score: 256.66  E-value: 5.00e-80
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  314 MTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEAIAE 393
Cdd:pfam00388    1 MSQPLSHYFISSSHNTYLTGDQLTGESSVEAYIRALLRGCRCVELDCWDG--PDGEPVVYHGYTLTSKIPFRDVLEAIKD 78
                           90       100       110       120       130       140
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 2462544654  394 SAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLEkfplKPGVPLPSPEDLRGKILIKN 462
Cdd:pfam00388   79 YAFVTSPYPVILSLENHC-SPEQQKKMAEILKEIFGDMLYTPPLD----DDLTELPSPEDLKGKILIKG 142
PI-PLCc_epsilon cd08596
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-epsilon; This family ...
313-662 6.06e-80

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-epsilon; This family corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-epsilon isozymes. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PI-PLC-epsilon represents a class of mammalian PI-PLC that has an N-terminal CDC25 homology domain with a guanyl-nucleotide exchange factor (GFF) activity, a pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and two predicted RA (Ras association) domains that are implicated in the binding of small GTPases, such as Ras or Rap, from the Ras family. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. There is one PI-PLC-epsilon isozyme (1). PI-PLC-epsilon is activated by G alpha(12/13), G beta gamma, and activated members of Ras and Rho small GTPases. Aside from PI-PLC-epsilon identified in mammals, its eukaryotic homologs have been classified with this family.


Pssm-ID: 176538 [Multi-domain]  Cd Length: 254  Bit Score: 260.94  E-value: 6.06e-80
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  313 DMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKppDEEPIITHGFTMTTDIFFKEAIEAIA 392
Cdd:cd08596      3 DLQYPLSYYYIESSHNTYLTGHQLKGESSVELYSQVLLTGCRCVELDCWDGD--DGMPIIYHGHTLTTKIPFKDVVEAIN 80
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  393 ESAFKTSPYPIILSFENHVDSPrQQAKMAEYCRTIFGDMLLTEPLEKFPLKPGVPLPSPEDLRGKILIKNKKnqfsgpts 472
Cdd:cd08596     81 RSAFITSDYPVILSIENHCSLQ-QQRKMAEIFKTVFGEKLVTKFLFESDFSDDPSLPSPLQLKNKILLKNKK-------- 151
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  473 sskdtggeaegssppsAPagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayeEMSSLVNY 552
Cdd:cd08596    152 ----------------AP------------------------------------------------------ELSDLVIY 161
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  553 IQPTKFVSfeFSAPrlfTCifsghkhkknrsYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMPQM 632
Cdd:cd08596    162 CQAVKFPG--LSTP---KC------------YHISSLNENAAKRLCRRYPQKLVQHTRCQLLRTYPAATRIDSSNPNPLI 224
                          330       340       350
                   ....*....|....*....|....*....|
gi 2462544654  633 FWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08596    225 FWLHGLQLVALNYQTDDLPMHLNAAMFEAN 254
PI-PLCc_eta cd08594
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-eta; This family ...
311-662 9.04e-77

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-eta; This family corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-eta isozymes. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PI-PLC-eta represents a class of neuron-speific PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and a unique C-terminal tail that terminates with a PDZ-binding motif, a potential interaction site for other signaling proteins. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. There are two PI-PLC-eta isozymes (1-2), both neuron-specific enzymes. They function as calcium sensors that are activated by small increases in intracellular calcium concentrations. The PI-PLC-eta isozymes are also activated through GPCR stimulation. Aside from the PI-PLC-eta isozymes identified in mammals, their eukaryotic homologs are also present in this family.


Pssm-ID: 176536 [Multi-domain]  Cd Length: 227  Bit Score: 251.26  E-value: 9.04e-77
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08594      1 NQDMTQPLSHYFIASSHNTYLTGDQLLSQSRVDMYARVLQAGCRCVEVDCWDG--PDGEPVVHHGYTLTSKILFRDVIET 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLtepLEKFPLKPGVPLPSPEDLRGKILIKNKKNQfsgp 470
Cdd:cd08594     79 INKYAFIKNEYPVILSIENHC-SVQQQKKMAQYLKEILGDKLD---LSSVISGDSKQLPSPQSLKGKILIKGKKWQ---- 150
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtayeemsslv 550
Cdd:cd08594        --------------------------------------------------------------------------------
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 nyiqptkfvsfefsaprlftcifsghkhkknrsyvISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08594    151 -----------------------------------VSSFSETRAHQIVQQKAAQFLRFNQRQLSRIYPSAYRIDSSNFNP 195
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08594    196 QPYWNAGCQLVALNYQTEGRMLQLNRAKFRAN 227
PI-PLCc_eta2 cd08633
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-eta2; This subfamily ...
311-662 1.31e-74

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-eta2; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-eta isozyme 2. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PI-PLC-eta represents a class of neuron-speific PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and a unique C-terminal tail that terminates with a PDZ-binding motif, a potential interaction site for other signaling proteins. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. PI-PLC-eta2 is a neuron-specific enzyme and expressed in the brain. It may in part function downstream of G-protein-coupled receptors and play an important role in the formation and maintenance of the neuronal network in the postnatal brain.


Pssm-ID: 176570 [Multi-domain]  Cd Length: 254  Bit Score: 246.49  E-value: 1.31e-74
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08633      1 NQDMTQPLSHYFITSSHNTYLSGDQLMSQSRVDMYAWVLQAGCRCVEVDCWDG--PDGEPIVHHGYTLTSKILFKDVIET 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVDSPrQQAKMAEYCRTIFGDMLltePLEKFPLKPGVPLPSPEDLRGKILIKNKKnqfsgp 470
Cdd:cd08633     79 INKYAFIKNEYPVILSIENHCSVP-QQKKMAQYLTEILGDKL---DLSSVISNDCTRLPSPEILKGKILVKGKK------ 148
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtAYEEMSSLV 550
Cdd:cd08633    149 -----------------------------------------------------------------------LSRALSDLV 157
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 NYIQPTKFVSFEFSAprlftcifsghkhkkNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08633    158 KYTKSVRVHDIETEA---------------TSSWQVSSFSETKAHQILQQKPAQYLRFNQRQLSRIYPSSYRVDSSNYNP 222
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08633    223 QPFWNAGCQMVALNYQSEGRMLQLNRAKFSAN 254
PI-PLCc_gamma2 cd08628
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-gamma2; This subfamily ...
313-662 1.19e-72

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-gamma2; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-gamma isozyme 2. PI-PLC is a signaling enzyme that hydrolyze the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PI-PLC-gamma represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, and a C2 domain. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. Unique to PI-PLC-gamma2, a second PH domain, two SH2 (Src homology 2) regions, and one SH3 (Src homology 3) region is present within this linker region. PI-PLC-gamma2 is highly expressed in cells of hematopoietic origin. It is activated by receptor and non-receptor tyrosine kinases due to the presence of two SH2 and a single SH3 domain within the linker region. Unlike PI-PLC-gamma1, the activation of PI-PLC-gamma2 may require concurrent stimulation of PI 3-kinase.


Pssm-ID: 176565 [Multi-domain]  Cd Length: 254  Bit Score: 241.11  E-value: 1.19e-72
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  313 DMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEAIA 392
Cdd:cd08628      3 DMNNPLSHYWISSSHNTYLTGDQLRSESSTEAYIRCLRMGCRCIELDCWDG--PDGKPIIYHGWTRTTKIKFDDVVQAIK 80
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  393 ESAFKTSPYPIILSFENHVDSpRQQAKMAEYCRTIFGDMLLTEPLEkfplKPGVPLPSPEDLRGKILIKNKKnqfsgpts 472
Cdd:cd08628     81 DHAFVTSEYPVILSIEEHCSV-EQQRHMAKVFKEVFGDKLLMKPLE----ASADQLPSPTQLKEKIIIKHKK-------- 147
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  473 sskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevTAYEEMSSLVNY 552
Cdd:cd08628    148 --------------------------------------------------------------------LIAIELSDLVVY 159
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  553 IQPTKFVSFEFSAPrlftcifsghKHKKNRSYVissftELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYMPQM 632
Cdd:cd08628    160 CKPTSKTKDNLENP----------DFKEIRSFV-----ETKAPSIIRQKPVQLLKYNRKGLTRVYPKGQRVDSSNYDPFR 224
                          330       340       350
                   ....*....|....*....|....*....|
gi 2462544654  633 FWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08628    225 LWLCGSQMVALNFQTADKYMQLNHALFSLN 254
PH_14 pfam17787
PH domain; This entry corresponds to the PH domain found at the N-terminus of phospholipase C ...
12-141 4.64e-70

PH domain; This entry corresponds to the PH domain found at the N-terminus of phospholipase C enzymes.


Pssm-ID: 465506  Cd Length: 131  Bit Score: 228.80  E-value: 4.64e-70
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   12 KVKAYLSQGERFIKWDDETTVASP-VILRVDPKGYYLYWTYQSKEMEFLDITSIRDTRFGKFAKMPKSQKLRDVFNMDFP 90
Cdd:pfam17787    1 EVPEKLQKGELFIKWDEESTVAEPnVLLKVDPKGFFLYWKSQGKEGEVLEITSIRDTRLGKFAKIPKDPKLREVLSMGGS 80
                           90       100       110       120       130
                   ....*....|....*....|....*....|....*....|....*....|.
gi 2462544654   91 DNSFLLKTLTVVSGPDMVDLTFHNFVSYKENVGKAWAEDVLALVKHPLTAN 141
Cdd:pfam17787   81 DNSLEDKTLTVVSGTDMVNINFHNFVASNSEVAKNWAEGLRALAHNVLAAN 131
EFh_PI-PLCbeta cd16200
EF-hand motif found in metazoan phosphoinositide-specific phospholipase C (PI-PLC)-beta ...
149-299 9.51e-68

EF-hand motif found in metazoan phosphoinositide-specific phospholipase C (PI-PLC)-beta isozymes; PI-PLC-beta isozymes represent a class of metazoan PI-PLCs that hydrolyze the membrane lipid phosphatidylinositol 4,5-bisphosphate (PIP2) to propagate diverse intracellular responses that underlie the physiological action of many hormones, neurotransmitters, and growth factors (EC 3.1.4.11). They have been implicated in numerous processes relevant to central nervous system (CNS), including chemotaxis, cardiovascular function, neuronal signaling, and opioid sensitivity. Like other PI-PLC isozymes, PI-PLC-beta isozymes contain a core set of domains, including an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C2 domain. Besides, they have a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. There are four PI-PLC-beta isozymes (1-4). PI-PLC-beta1 and PI-PLC-beta3 are expressed in a wide range of tissues and cell types, whereas PI-PLC-beta2 and PI-PLC-beta4 have been found only in hematopoietic and neuronal tissues, respectively. All PI-PLC-beta isozymes are activated by the heterotrimeric G protein alpha subunits of the Gq class through their C2 domain and long C-terminal extension. They are GTPase-activating proteins (GAPs) for these G alpha(q) proteins. PI-PLC-beta2 and PI-PLC-beta3 can also be activated by beta-gamma subunits of the G alpha(i/o) family of heterotrimeric G proteins and the small GTPases such as Rac and Cdc42. This family also includes two invertebrate homologs of PI-PLC-beta, PLC21 from cephalopod retina and No receptor potential A protein (NorpA) from Drosophila melanogaster.


Pssm-ID: 320030 [Multi-domain]  Cd Length: 153  Bit Score: 223.28  E-value: 9.51e-68
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  149 DKILVKLKMQLNSEGKIPVKNFFQMFPAD--RKRVEAALSACHLPKGKNDAINPEDFPEPVYKSFLMSLCPRPEIDEIFT 226
Cdd:cd16200      1 KKLYTKLKLSVNITGKIPVKNIIKCFSSDkkRKRVLKALKALGLPDGKNDEIDPEDFTFEKFFKLYNKLCPRPDIDEIFK 80
                           90       100       110       120       130       140       150
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|...
gi 2462544654  227 SYHAKAKPYMTKEHLTKFINQKQRDSRLNSLLFPPARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFLCGPE 299
Cdd:cd16200     81 ELGGKRKPYLTLEQLVDFLNEEQRDPRLNEILFPFHTKEQAKKLIDKYEPNEKNKKKGQLTLEGFLRYLMSDE 153
PI-PLCc_eta1 cd08632
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-eta1; This subfamily ...
311-662 1.98e-67

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-eta1; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-eta isozyme 1. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PI-PLC-eta represents a class of neuron-speific PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, a C2 domain, and a unique C-terminal tail that terminates with a PDZ-binding motif, a potential interaction site for other signaling proteins. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. PI-PLC-eta1 is a neuron-specific enzyme and expressed in only nerve tissues such as the brain and spinal cord. It may perform a fundamental role in the brain.


Pssm-ID: 176569 [Multi-domain]  Cd Length: 253  Bit Score: 226.45  E-value: 1.98e-67
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08632      1 NQDMDQPLCNYFIASSHNTYLTGDQLLSQSKVDMYARVLQAGCRCVEVDCWDG--PDGEPVVHHGYTLTSKITFRDVIET 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDML-LTEPLEKFPLKpgvpLPSPEDLRGKILIKNKKnqfsg 469
Cdd:cd08632     79 INKYAFVKNEFPVILSIENHC-SIQQQKKIAQYLKEIFGDKLdLSSVLTGDPKQ----LPSPQLLKGKILVKGKK----- 148
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  470 ptssskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtAYEEMSSL 549
Cdd:cd08632    149 ------------------------------------------------------------------------LCRDLSDL 156
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  550 VNYiqpTKFVSFEfsaprlfTCIFSGHKHKknrsyvISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSNYM 629
Cdd:cd08632    157 VVY---TNSVAAQ-------DIVDDGSTGN------VLSFSETRAHQLVQQKAEQFMTYNQKQLTRIYPSAYRIDSSNFN 220
                          330       340       350
                   ....*....|....*....|....*....|...
gi 2462544654  630 PQMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08632    221 PLPYWNVGCQLVALNYQSEGRMMQLNRAKFMVN 253
PI-PLCc_gamma1 cd08627
Catalytic domain of metazoan phosphoinositide-specific phospholipase C-gamma1; This subfamily ...
313-662 8.26e-67

Catalytic domain of metazoan phosphoinositide-specific phospholipase C-gamma1; This subfamily corresponds to the catalytic domain present in metazoan phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11)-gamma isozyme 1. PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. PI-PLC-gamma represents a class of mammalian PI-PLC that has an N-terminal pleckstrin homology (PH) domain, an array of EF hands, a PLC catalytic core domain, and a C2 domain. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. Unique to PI-PLC-gamma1, a second PH domain, two SH2 (Src homology 2) regions, and one SH3 (Src homology 3) region is present within this linker region. PI-PLC-gamma1 is ubiquitously expressed. It is activated by receptor and non-receptor tyrosine kinases due to the presence of two SH2 and a single SH3 domain within the linker region.


Pssm-ID: 176564 [Multi-domain]  Cd Length: 229  Bit Score: 223.75  E-value: 8.26e-67
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  313 DMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEAIA 392
Cdd:cd08627      3 EMNNPLSHYWISSSHNTYLTGDQFSSESSLEAYARCLRMGCRCIELDCWDG--PDGMPVIYHGHTLTTKIKFSDVLHTIK 80
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  393 ESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLEkfplKPGVPLPSPEDLRGKILIKNKKnqfsgpts 472
Cdd:cd08627     81 EHAFVTSEYPIILSIEDHC-SIVQQRNMAQHFKKVFGDMLLTKPVD----INADGLPSPNQLKRKILIKHKK-------- 147
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  473 sskdtggeaegssppsapagegtvwageegteleeeeveeeeeeesgnldeeeikkmqsdegtaglevtAYEEMsslvny 552
Cdd:cd08627    148 ---------------------------------------------------------------------LYRDM------ 152
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  553 iqptkfvsfefsaprlftcifsghkhkknrsyviSSFTELKAYDLLSKAS-VQFVDYNKRQMSRIYPKGTRMDSSNYMPQ 631
Cdd:cd08627    153 ----------------------------------SSFPETKAEKYVNRSKgKKFLQYNRRQLSRIYPKGQRLDSSNYDPL 198
                          330       340       350
                   ....*....|....*....|....*....|.
gi 2462544654  632 MFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08627    199 PMWICGSQLVALNFQTPDKPMQMNQALFMLG 229
PLCXc smart00148
Phospholipase C, catalytic domain (part); domain X; Phosphoinositide-specific phospholipases C. ...
314-463 7.41e-65

Phospholipase C, catalytic domain (part); domain X; Phosphoinositide-specific phospholipases C. These enzymes contain 2 regions (X and Y) which together form a TIM barrel-like structure containing the active site residues. Phospholipase C enzymes (PI-PLC) act as signal transducers that generate two second messengers, inositol-1,4,5-trisphosphate and diacylglycerol. The bacterial enzyme appears to be a homologue of the mammalian PLCs.


Pssm-ID: 197543 [Multi-domain]  Cd Length: 143  Bit Score: 214.84  E-value: 7.41e-65
                            10        20        30        40        50        60        70        80
                    ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   314 MTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGkpPDEEPIITHGFTMTTDIFFKEAIEAIAE 393
Cdd:smart00148    1 MDKPLSHYFIPSSHNTYLTGKQLWGESSVEGYIQALDAGCRCVELDCWDG--PDGEPVIYHGHTFTLPIKLSEVLEAIKD 78
                            90       100       110       120       130       140       150
                    ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   394 SAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPLEKFPLKpgvpLPSPEDLRGKILIKNK 463
Cdd:smart00148   79 FAFVTSPYPVILSLENHC-SPDQQAKMAQMFKEIFGDMLYTPPLTSSLEV----LPSPEQLRGKILLKVR 143
EFh_PI-PLCbeta1 cd16208
EF-hand motif found in phosphoinositide phospholipase C beta 1 (PI-PLC-beta1); PI-PLC-beta1, ...
149-299 2.46e-60

EF-hand motif found in phosphoinositide phospholipase C beta 1 (PI-PLC-beta1); PI-PLC-beta1, also termed 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-1, or PLC-154, or phospholipase C-I (PLC-I), or phospholipase C-beta-1 (PLC-beta1), is expressed at highest levels in specific regions of the brain, as well as in the cardiovascular system. It has two splice variants, PI-PLC-beta1a and PI-PLC-beta1b, both of which are present within the nucleus. Nuclear PI-PLC-beta1 is a key molecule for nuclear inositide signaling, where it plays a role in cell cycle progression, proliferation and differentiation. It also contributes to generate cell-specific Ca2+ signals evoked by G protein-coupled receptor stimulation. PI-PLC-beta1 acts as an effector and a GTPase activating protein (GAP) specifically activated by the heterotrimeric G protein alpha q subunits through their C2 domain and long C-terminal extension. It regulates neuronal activity in the cerebral cortex and hippocampus, and has been implicated for participations in diverse critical functions related to forebrain diseases such as schizophrenia. It may play an important role in maintenance of the status epilepticus, and in osteosarcoma-related signal transduction pathways. PI-PLC-beta1 also functions as a regulator of erythropoiesis in kinamycin F, a potent inducer of gamma-globin production in K562 cells. The G protein activation and the degradation of PI-PLC-beta1 can be regulated by the interaction of alpha-synuclein. As a result, it may reduce cell damage under oxidative stress. Moreover, PI-PLC-beta1 works as a new intermediate in the HIV-1 gp120-triggered phosphatidylcholine-specific phospholipase C (PC-PLC)-driven signal transduction pathway leading to cytoplasmic CCL2 secretion in macrophages. PI-PLC-beta1 contains a core set of domains, including an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C2 domain. Besides, it has a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence.


Pssm-ID: 320038  Cd Length: 151  Bit Score: 202.80  E-value: 2.46e-60
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  149 DKILVKLKMQLNSEGKIPVKNFFQMFPADRKRVEAALSACHLPKGKNDAINPEDFPEPVYKSFLMSLCPRPEIDEIFTSY 228
Cdd:cd16208      1 EKAYTKLKLQVNPEGRIPVKNIYRLFSADRKRVETALEACNLPSSRNDSIPQEDFTPEVYRVFLNNLCPRPEIDHIFSEF 80
                           90       100       110       120       130       140       150
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|.
gi 2462544654  229 HAKAKPYMTKEHLTKFINQKQRDSRLNSLLFPPARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFLCGPE 299
Cdd:cd16208     81 GAKSKPYLSVDQMTEFINSKQRDPRLNEILYPPLKQEQVQQLIEKYEPNSTLAKKGQISVDGFMRYLSGEE 151
PLCYc smart00149
Phospholipase C, catalytic domain (part); domain Y; Phosphoinositide-specific phospholipases C. ...
547-674 2.91e-60

Phospholipase C, catalytic domain (part); domain Y; Phosphoinositide-specific phospholipases C. These enzymes contain 2 regions (X and Y) which together form a TIM barrel-like structure containing the active site residues. Phospholipase C enzymes (PI-PLC) act as signal transducers that generate two second messengers, inositol-1,4,5-trisphosphate and diacylglycerol. The bacterial enzyme appears to be a homologue of the mammalian PLCs.


Pssm-ID: 128454 [Multi-domain]  Cd Length: 115  Bit Score: 200.93  E-value: 2.91e-60
                            10        20        30        40        50        60        70        80
                    ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   547 SSLVNYIQPTKFVSFEFSaprlftcifsghkHKKNRSYVISSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSS 626
Cdd:smart00149    1 SDLVIYCAPVKFRSFESA-------------ESKNPFYEMSSFSETKAKKLLKKSPTDFVRYNQRQLSRVYPKGTRVDSS 67
                            90       100       110       120
                    ....*....|....*....|....*....|....*....|....*...
gi 2462544654   627 NYMPQMFWNAGCQMVALNFQTMDLPMQQNMAVFEFNGQSGYLLKHEFM 674
Cdd:smart00149   68 NYNPQVFWNHGCQMVALNFQTPDKPMQLNQGMFRANGGCGYVLKPDFL 115
PI-PLCc_plant cd08599
Catalytic domain of plant phosphatidylinositide-specific phospholipases C; This family ...
311-662 4.96e-58

Catalytic domain of plant phosphatidylinositide-specific phospholipases C; This family corresponds to the catalytic domain present in a group of phosphoinositide-specific phospholipases C (PI-PLC, EC 3.1.4.11) encoded by PLC genes from higher plants, which are homologs of mammalian PI-PLC in terms of overall sequence similarity and domain organization. Mammalian PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. The domain arrangement of plant PI-PLCs is structurally similar to the mammalian PLC-zeta isoform, which lacks the N-terminal pleckstrin homology (PH) domain, but contains EF-hand like motifs (which are absent in a few plant PLCs), a PLC catalytic core domain with X- and Y- highly conserved regions split by a linker sequence, and a C2 domain. However, at the sequence level, the plant PI-PLCs are closely related to the mammalian PLC-delta isoform. Experiments show that plant PLCs display calcium dependent PLC catalytic properties, although they lack some of the N-terminal motifs found in their mammalian counterparts. A putative calcium binding site may be located at the region spanning the X- and Y- domains.


Pssm-ID: 176541 [Multi-domain]  Cd Length: 228  Bit Score: 199.14  E-value: 4.96e-58
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDeePIITHGFTMTTDIFFKEAIEA 390
Cdd:cd08599      1 HHDMTAPLSHYFIFSSHNSYLTGNQLSSRSSTAPIIEALLRGCRVIELDLWPGGRGD--ICVLHGGTLTKPVKFEDCIKA 78
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  391 IAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEPlekfPLKPGVPLPSPEDLRGKILIKNKknqfsgp 470
Cdd:cd08599     79 IKENAFTASEYPVIITLENHL-SPELQAKAAQILRETLGDKLFYPD----SEDLPEEFPSPEELKGKILISDK------- 146
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  471 tssskdtggeaegssPPsapagegtvwageegteleeeeveeeeeEESGNLDEEEIKKMQSDEGTAGLevtayeemsslv 550
Cdd:cd08599    147 ---------------PP----------------------------VIRNSLSETQLKKVIEGEHPTDL------------ 171
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  551 nyiqptkfvsfefsaprlftcifsghkhkknrsyvissftelkaydllskasvqfVDYNKRQMSRIYPKGTRMDSSNYMP 630
Cdd:cd08599    172 -------------------------------------------------------IEFTQKNLLRVYPAGLRITSSNYDP 196
                          330       340       350
                   ....*....|....*....|....*....|..
gi 2462544654  631 QMFWNAGCQMVALNFQTMDLPMQQNMAVFEFN 662
Cdd:cd08599    197 MLAWMHGAQMVALNMQGYDRPLWLNRGKFRAN 228
PLN02228 PLN02228
Phosphoinositide phospholipase C
217-799 1.21e-57

Phosphoinositide phospholipase C


Pssm-ID: 177873 [Multi-domain]  Cd Length: 567  Bit Score: 209.12  E-value: 1.21e-57
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  217 PRPEIDEIFTSYHAKAKpyMTKEHLTKFINQKQRDSRlnsllfppARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFLC 296
Cdd:PLN02228    22 PPVSIKRLFEAYSRNGK--MSFDELLRFVSEVQGERH--------AGLDYVQDIFHSVKHHNVFHHHGLVHLNAFYRYLF 91
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  297 GPENSVLAQDKLLlHHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKgKPPDEEPIITHGF 376
Cdd:PLN02228    92 SDTNSPLPMSGQV-HHDMKAPLSHYFVYTGHNSYLTGNQVNSRSSVEPIVQALRKGVKVIELDLWP-NPSGNAAEVRHGR 169
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  377 TMTTDIFFKEAIEAIAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLL---TEPLEKFplkpgvplPSPED 453
Cdd:PLN02228   170 TLTSHEDLQKCLNAIKDNAFQVSDYPVVITLEDHL-PPNLQAQVAKMLTKTFRGMLFrctSESTKHF--------PSPEE 240
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  454 LRGKILIKNKKNQFSGPTSSSKDTggeaegssppSAPAGEGTVWAGEEGTeleeeeveeeeeeesgnldEEEIKKMQSDE 533
Cdd:PLN02228   241 LKNKILISTKPPKEYLESKTVQTT----------RTPTVKETSWKRVADA-------------------ENKILEEYKDE 291
                          330       340       350       360       370       380       390       400
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  534 GTAGLEvtaYEEMSSL--VNYIQPTKfvsfefsaprlfTCIfSGHKHKKNRsyviSSFTELKAYDLLSKASVQFVDYNKR 611
Cdd:PLN02228   292 ESEAVG---YRDLIAIhaANCKDPLK------------DCL-SDDPEKPIR----VSMDEQWLETMVRTRGTDLVRFTQR 351
                          410       420       430       440       450       460       470       480
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  612 QMSRIYPKGTRMDSSNYMPQMFWNAGCQMVALNFQT--MDLPMQQNMavFEFNGQSGYLLKHEFMRRPDKQFNPFSvdri 689
Cdd:PLN02228   352 NLVRIYPKGTRVDSSNYDPHVGWTHGAQMVAFNMQGhgKQLWIMQGM--FRANGGCGYVKKPRILLDEHTLFDPCK---- 425
                          490       500       510       520       530       540       550       560
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  690 DVVVATTLSITVISGQ----------FLSERSVRTYVEVELFGLPGDPKrRYRTKLspSTNSINPVWKEEPFVFEkILMP 759
Cdd:PLN02228   426 RLPIKTTLKVKIYTGEgwdldfhlthFDQYSPPDFFVKIGIAGVPRDTV-SYRTET--AVDQWFPIWGNDEFLFQ-LRVP 501
                          570       580       590       600
                   ....*....|....*....|....*....|....*....|....
gi 2462544654  760 ELASLRVAVME----EGNKFLGHRIIPINALNSGYHHLCLHSES 799
Cdd:PLN02228   502 ELALLWFKVQDydndTQNDFAGQTCLPLPELKSGVRAVRLHDRA 545
PLN02222 PLN02222
phosphoinositide phospholipase C 2
219-813 8.66e-57

phosphoinositide phospholipase C 2


Pssm-ID: 177868 [Multi-domain]  Cd Length: 581  Bit Score: 206.80  E-value: 8.66e-57
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  219 PEIDEIFTSYHAKAkpYMTKEHLTKFINQKQRDSRlnsllfppARPDQVQGLIDKyepSGINAQRGQLSPEGMVWFLCGP 298
Cdd:PLN02222    25 REIKTIFEKYSENG--VMTVDHLHRFLIDVQKQDK--------ATREDAQSIINS---ASSLLHRNGLHLDAFFKYLFGD 91
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  299 ENSVLAQDKLllHHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDEEPIItHGFTM 378
Cdd:PLN02222    92 NNPPLALHEV--HHDMDAPISHYFIFTGHNSYLTGNQLSSDCSEVPIIDALKKGVRVIELDIWPNSDKDDIDVL-HGMTL 168
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  379 TTDIFFKEAIEAIAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTEP----LEKFplkpgvplPSPEDL 454
Cdd:PLN02222   169 TTPVGLIKCLKAIRAHAFDVSDYPVVVTLEDHL-TPDLQSKVAEMVTEIFGEILFTPPvgesLKEF--------PSPNSL 239
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  455 RGKILIKNKknqfsgPTSSSKDtgGEAEGSSPPSAPAGEGTVWaGEEGTELEEEEVEEEEEEESGNLDEEEikkmqsDEG 534
Cdd:PLN02222   240 KKRIIISTK------PPKEYKE--GKDDEVVQKGKDLGDEEVW-GREVPSFIQRNKSVDKNDSNGDDDDDD------DDG 304
                          330       340       350       360       370       380       390       400
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  535 TAGLEVTAYEEMSSLvnyiqptkfVSFEFSAPR--LFTCIfsGHKHKKNRSYVISSFTELKAYDLLSKasvQFVDYNKRQ 612
Cdd:PLN02222   305 EDKSKKNAPPQYKHL---------IAIHAGKPKggITECL--KVDPDKVRRLSLSEEQLEKAAEKYAK---QIVRFTQHN 370
                          410       420       430       440       450       460       470       480
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  613 MSRIYPKGTRMDSSNYMPQMFWNAGCQMVALNFQTMDLPMQQNMAVFEFNGQSGYLLKHEFMRRPDKQFNPFSvDRIDVV 692
Cdd:PLN02222   371 LLRIYPKGTRVTSSNYNPLVGWSHGAQMVAFNMQGYGRSLWLMQGMFRANGGCGYIKKPDLLLKSGSDSDIFD-PKATLP 449
                          490       500       510       520       530       540       550       560
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  693 VATTLSITVISGQ----------FLSERSVRTYVEVELFGLPGDPKRRyRTKlSPSTNSInPVWKEepfVFE-KILMPEL 761
Cdd:PLN02222   450 VKTTLRVTIYMGEgwyfdfrhthFDQYSPPDFYTRVGIAGVPGDTVMK-KTK-TLEDNWI-PAWDE---VFEfPLTVPEL 523
                          570       580       590       600       610
                   ....*....|....*....|....*....|....*....|....*....|....*.
gi 2462544654  762 ASLRVAV----MEEGNKFLGHRIIPINALNSGYHHLCLHSESNMPLTMPALFIFLE 813
Cdd:PLN02222   524 ALLRLEVheydMSEKDDFGGQTCLPVWELSQGIRAFPLHSRKGEKYKSVKLLVKVE 579
PLN02952 PLN02952
phosphoinositide phospholipase C
310-796 3.12e-56

phosphoinositide phospholipase C


Pssm-ID: 178538 [Multi-domain]  Cd Length: 599  Bit Score: 205.62  E-value: 3.12e-56
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  310 LHHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDeEPIITHGFTMTTDIFFKEAIE 389
Cdd:PLN02952   121 VHHDMTAPLSHYFIYTGHNSYLTGNQLSSDCSEVPIVKALQRGVRVIELDLWPGSTKD-EILVLHGRTLTTPVPLIKCLK 199
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  390 AIAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLteplekFPLKPG-VPLPSPEDLRGKILIKNKKnqfs 468
Cdd:PLN02952   200 SIRDYAFSSSPYPVIITLEDHL-TPDLQAKVAEMATQIFGQMLY------YPESDSlVQFPSPESLKHRIIISTKP---- 268
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  469 gPTSSSKDTGGEAEGSSPPSAPAGEGTvwageegteLEEEEVEEEEEEESGNLD-EEEIKKMQSDEGTAGLEVTAYEems 547
Cdd:PLN02952   269 -PKEYLESSGPIVIKKKNNVSPSGRNS---------SEETEEAQTLESMLFEQEaDSRSDSDQDDNKSGELQKPAYK--- 335
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  548 slvnyiqptKFVSFEFSAPRlfTCIFSGHKHKKNRSYVIsSFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDSSN 627
Cdd:PLN02952   336 ---------RLITIHAGKPK--GTLKDAMKVAVDKVRRL-SLSEQELEKAATTNGQDVVRFTQRNILRIYPKGTRITSSN 403
                          330       340       350       360       370       380       390       400
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  628 YMPQMFWNAGCQMVALNFQTMDLPMQQNMAVFEFNGQSGYLLKHEFM--RRPDKQ-FNPfsvdRIDVVVATTLSITVISG 704
Cdd:PLN02952   404 YKPLIGWMHGAQMIAFNMQGYGKSLWLMHGMFRANGGCGYLKKPDFLmkKGFHDEvFDP----KKKLPVKKTLKVKVYLG 479
                          410       420       430       440       450       460       470       480
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  705 ----------QFLSERSVRTYVEVELFGLPGDPKRRyRTKLspSTNSINPVWKEEpFVFeKILMPELASLRVAV----ME 770
Cdd:PLN02952   480 dgwrldfshtHFDSYSPPDFYTKMYIVGVPADNAKK-KTKI--IEDNWYPAWNEE-FSF-PLTVPELALLRIEVreydMS 554
                          490       500
                   ....*....|....*....|....*.
gi 2462544654  771 EGNKFLGHRIIPINALNSGYHHLCLH 796
Cdd:PLN02952   555 EKDDFGGQTCLPVSELRPGIRSVPLH 580
PH_PLC_beta cd13361
Phospholipase C-beta (PLC-beta) pleckstrin homology (PH) domain; PLC-beta (PLCbeta) is ...
17-144 5.00e-56

Phospholipase C-beta (PLC-beta) pleckstrin homology (PH) domain; PLC-beta (PLCbeta) is regulated by heterotrimeric G protein-coupled receptors through their C2 domain and long C-terminal extension which forms an autoinhibitory helix. There are four isoforms: PLC-beta1-4. The PH domain of PLC-beta2 and PLC-beta3 plays a dual role, much like PLC-delta1, by binding to the plasma membrane, as well as the interaction site for the catalytic activator. However, PLC-beta binds to the lipid surface independent of PIP2. PLC-beta1 seems to play unspecified roles in cellular proliferation and differentiation. PLC-beta consists of an N-terminal PH domain, a EF hand domain, a catalytic domain split into X and Y halves, a C2 domain and a C-terminal PDZ. Members of the Rho GTPase family (e.g., Rac1, Rac2, Rac3, and cdc42) have been implicated in their activation by binding to an alternate site on the N-terminal PH domain. A basic amino acid region within the enzyme's long C-terminal tail appears to function as a Nuclear Localization Signal for import into the nucleus. PLCs (EC 3.1.4.3) play a role in the initiation of cellular activation, proliferation, differentiation and apoptosis. They are central to inositol lipid signalling pathways, facilitating intracellular Ca2+ release and protein kinase C (PKC) activation. Specificaly, PLCs catalyze the cleavage of phosphatidylinositol-4,5-bisphosphate (PIP2) and result in the release of 1,2-diacylglycerol (DAG) and inositol 1,4,5-triphosphate (IP3). These products trigger the activation of protein kinase C (PKC) and the release of Ca2+ from intracellular stores. There are fourteen kinds of mammalian phospholipase C proteins which are are classified into six isotypes (beta, gamma, delta, epsilon, zeta, eta). PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes.the plasma membrane, but only a few (less than 10%) display strong specificity in binding inositol phosphates. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinases, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, cytoskeletal associated molecules, and in lipid associated enzymes.


Pssm-ID: 270167  Cd Length: 127  Bit Score: 189.70  E-value: 5.00e-56
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   17 LSQGERFIKWDDETTVASPVILRVDPKGYYLYWTYQSKEMEFLDITSIRDTRFGKFAKMPKSQKLRDVfNMDFPDNSFLL 96
Cdd:cd13361      1 LLKGSKFDKWDEDSSLETPVTLKVDEYGFFLYWKSEGKETEVLDLSLIRDVRTGKYPKDPKDLKEREV-NVGGSDEDLED 79
                           90       100       110       120
                   ....*....|....*....|....*....|....*....|....*...
gi 2462544654   97 KTLTVVSGPDMVDLTFHNFVSYKENVGKAWAEDVLALVKHPLTANASR 144
Cdd:cd13361     80 RTLTIVSGTDLVNISFINFVAESEEVAKIWTEGLFKLAHNLLANNASP 127
PI-PLC-Y pfam00387
Phosphatidylinositol-specific phospholipase C, Y domain; This associates with pfam00388 to ...
546-673 7.65e-54

Phosphatidylinositol-specific phospholipase C, Y domain; This associates with pfam00388 to form a single structural unit.


Pssm-ID: 459794  Cd Length: 114  Bit Score: 183.05  E-value: 7.65e-54
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  546 MSSLVNYIQPTKFVSFEFSAPRLFTCIFSghkhkknrsyvissFTELKAYDLLSKASVQFVDYNKRQMSRIYPKGTRMDS 625
Cdd:pfam00387    1 LSDLVVYTQSVKFKSFSTPESKTPNHIFS--------------FSESKALKLIKSSSAAFVKHNRRHLMRVYPKGTRVDS 66
                           90       100       110       120
                   ....*....|....*....|....*....|....*....|....*...
gi 2462544654  626 SNYMPQMFWNAGCQMVALNFQTMDLPMQQNMAVFEFNGQSGYLLKHEF 673
Cdd:pfam00387   67 SNFNPQPFWNCGVQMVALNWQTPDEGMQLNEGMFADNGGCGYVLKPEF 114
EFh_PI-PLCbeta3 cd16210
EF-hand motif found in phosphoinositide phospholipase C beta 3 (PI-PLC-beta3); PI-PLC-beta3, ...
150-299 1.06e-51

EF-hand motif found in phosphoinositide phospholipase C beta 3 (PI-PLC-beta3); PI-PLC-beta3, also termed 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-3, or phospholipase C-beta-3 (PLC-beta3), is widely expressed at highest levels in brain, liver, and parotid gland. It is activated by the heterotrimeric G protein alpha q subunits through their C2 domain and long C-terminal extension. It is also activated by the beta-gamma subunits of heterotrimeric G proteins. PI-PLC-beta3 associates with CXC chemokine receptor 2 (CXCR2) and Na+/H+ exchanger regulatory factor-1 (NHERF1) to form macromolecular complexes at the plasma membrane of pancreatic cancer cells, which functionally couple chemokine signaling to PI-PLC-beta3-mediated signaling cascade. Moreover, PI-PLC-beta3 directly interacts with the M3 muscarinic receptor (M3R), a prototypical G alpha-q-coupled receptor that promotes PI-PLC-beta3 localization to the plasma membrane. This binding can alter G alpha-q-dependent PLC activation. Furthermore, PI-PLC-beta3 inhibits the proliferation of hematopoietic stem cells (HSCs) and myeloid cells through the interaction of SH2-domain-containing protein phosphatase 1 (SHP-1) and signal transducer and activator of transcription 5 (Stat5), and the augment of the dephosphorylating activity of SHP-1 toward Stat5, leading to the inactivation of Stat5. It is also involved in atopic dermatitis (AD) pathogenesis via regulating the expression of periostin in fibroblasts and thymic stromal lymphopoietin (TSLP) in keratinocytes. In addition, PI-PLC-beta3 mediates the thrombin-induced Ca2+ response in glial cells. PI-PLC-beta3 contains a core set of domains, including an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C2 domain. Besides, it has a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence.


Pssm-ID: 320040  Cd Length: 151  Bit Score: 178.19  E-value: 1.06e-51
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  150 KILVKLKMQLNSEGKIPVKNFFQMFPADRKRVEAALSACHLPKGKNDAINPEDFPEPVYKSFLMSLCPRPEIDEIFTSYH 229
Cdd:cd16210      2 KAYTKLKLQVNQDGRIPVKNILKMFSADKKRVETALESCGLKFNRSESIKPDEFTLEIFERFLNKLCLRPDIDKILLEIG 81
                           90       100       110       120       130       140       150
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  230 AKAKPYMTKEHLTKFINQKQRDSRLNSLLFPPARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFLCGPE 299
Cdd:cd16210     82 AKGKPYLTLEQLMDFINQKQRDPRLNEVLYPPLRPSQVRQLIEKYEPNQQFLERDQMSMEGFSRYLGGEE 151
EFh_PI-PLC21 cd16213
EF-hand motif found in phosphoinositide phospholipase PLC21 and similar proteins; The family ...
150-295 1.22e-49

EF-hand motif found in phosphoinositide phospholipase PLC21 and similar proteins; The family includes invertebrate homologs of phosphoinositide phospholipase C beta (PI-PLC-beta) named PLC21 from cephalopod retina. It also includes PLC21 encoded by plc-21 gene, which is expressed in the central nervous system of Drosophila. Like beta-class of vertebrate PI-PLCs, PLC21 contains an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C2 domain. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence.


Pssm-ID: 320043  Cd Length: 154  Bit Score: 172.49  E-value: 1.22e-49
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  150 KILVKLKMQLNSEGKIPVKNFFQMFPA---DRKRVEAALSACHLPKGKNDAINPEDFPEPVYKSFLMSLCPRPEIDEIFT 226
Cdd:cd16213      2 KAYTKLTLQTDKEGKIPVKNIVKMFAQhkdDRKRVEKALEAIGLPSGKNDAIDPKKFTFEDFFNFYRRLTGRQEVEKIFD 81
                           90       100       110       120       130       140
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 2462544654  227 SYHAKAKPYMTKEHLTKFINQKQRDSRLNSLLFPPARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFL 295
Cdd:cd16213     82 ELGAKKKPYLTTEQFVDFLNKTQRDPRLNEILYPYANPKRARDLINQYEPNKSFAKKGHLSVEGFLRYL 150
PLN02230 PLN02230
phosphoinositide phospholipase C 4
217-813 4.01e-47

phosphoinositide phospholipase C 4


Pssm-ID: 177875 [Multi-domain]  Cd Length: 598  Bit Score: 178.75  E-value: 4.01e-47
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  217 PRPEIDEIFTSYhAKAKPYMTKEHLTKFINQKQRDSRLNSLLFPPARPDQV---QGLIDKYepsginaQRGQLSPEGMVW 293
Cdd:PLN02230    27 PVADVRDLFEKY-ADGDAHMSPEQLQKLMAEEGGGEGETSLEEAERIVDEVlrrKHHIAKF-------TRRNLTLDDFNY 98
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  294 FLCGPENSVLAQDKLllHHDMTQPLNHYFINSSHNTYLTAGQFSGLSSAEMYRQVLLSGCRCVELDCWKGKPPDeePIIT 373
Cdd:PLN02230    99 YLFSTDLNPPIADQV--HQNMDAPLSHYFIFTGHNSYLTGNQLSSNCSELPIADALRRGVRVVELDLWPRGTDD--VCVK 174
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  374 HGFTMTTDIFFKEAIEAIAESAFKTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLL---TEPLEKFplkpgvplPS 450
Cdd:PLN02230   175 HGRTLTKEVKLGKCLDSIKANAFAISKYPVIITLEDHL-TPKLQFKVAKMITQTFGDMLYyhdSEGCQEF--------PS 245
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  451 PEDLRGKILIKNK--KNQFSGPTSSSKDTGGEAEGSsppsapagEGTVWAGEEGTELEEEEVEEEEEEESGNL--DEEEI 526
Cdd:PLN02230   246 PEELKEKILISTKppKEYLEANDAKEKDNGEKGKDS--------DEDVWGKEPEDLISTQSDLDKVTSSVNDLnqDDEER 317
                          330       340       350       360       370       380       390       400
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  527 KKMQSDEgTAGLEVTAYEemsslvnyiqptKFVSFEFSAPRLFTCIFSGHKHKKNRSYVISSftelkayDLLSKASVQF- 605
Cdd:PLN02230   318 GSCESDT-SCQLQAPEYK------------RLIAIHAGKPKGGLRMALKVDPNKIRRLSLSE-------QLLEKAVASYg 377
                          410       420       430       440       450       460       470       480
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  606 ---VDYNKRQMSRIYPKGTRMDSSNYMPQMFWNAGCQMVALNFQTMDLPMQQNMAVFEFNGQSGYLLKHEFMRRPDKQFN 682
Cdd:PLN02230   378 advIRFTQKNFLRIYPKGTRFNSSNYKPQIGWMSGAQMIAFNMQGYGRALWLMEGMFRANGGCGYVKKPDFLMDAGPNGQ 457
                          490       500       510       520       530       540       550       560
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  683 PFsVDRIDVVVATTLSITVISGQF----LSERSVRTYVEVELF---GLPGDPKRRYRTKLSPSTNSINPVWKEEpFVFeK 755
Cdd:PLN02230   458 DF-YPKDNSCPKKTLKVKVCMGDGwlldFKKTHFDSYSPPDFFvrvGIAGAPVDEVMEKTKIEYDTWTPIWNKE-FIF-P 534
                          570       580       590       600       610       620
                   ....*....|....*....|....*....|....*....|....*....|....*....|..
gi 2462544654  756 ILMPELASLRVAVME----EGNKFLGHRIIPINALNSGYHHLCLHSESNMPLTMPALFIFLE 813
Cdd:PLN02230   535 LAVPELALLRVEVHEhdinEKDDFGGQTCLPVSEIRQGIHAVPLFNRKGVKYSSTRLLMRFE 596
C2_PLC_like cd00275
C2 domain present in Phosphoinositide-specific phospholipases C (PLC); PLCs are involved in ...
694-815 2.34e-37

C2 domain present in Phosphoinositide-specific phospholipases C (PLC); PLCs are involved in the hydrolysis of phosphatidylinositol-4,5-bisphosphate (PIP2) to d-myo-inositol-1,4,5-trisphosphate (1,4,5-IP3) and sn-1,2-diacylglycerol (DAG). 1,4,5-IP3 and DAG are second messengers in eukaryotic signal transduction cascades. PLC is composed of a N-terminal PH domain followed by a series of EF hands, a catalytic TIM barrel and a C-terminal C2 domain. C2 domains fold into an 8-standed beta-sandwich that can adopt 2 structural arrangements: Type I and Type II, distinguished by a circular permutation involving their N- and C-terminal beta strands. Many C2 domains are Ca2+-dependent membrane-targeting modules that bind a wide variety of substances including bind phospholipids, inositol polyphosphates, and intracellular proteins. Most C2 domain proteins are either signal transduction enzymes that contain a single C2 domain, such as protein kinase C, or membrane trafficking proteins which contain at least two C2 domains, such as synaptotagmin 1. However, there are a few exceptions to this including RIM isoforms and some splice variants of piccolo/aczonin and intersectin which only have a single C2 domain. C2 domains with a calcium binding region have negatively charged residues, primarily aspartates, that serve as ligands for calcium ions. Members here have a type-II topology.


Pssm-ID: 175974 [Multi-domain]  Cd Length: 128  Bit Score: 136.52  E-value: 2.34e-37
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  694 ATTLSITVISGQFLS------ERSVRTYVEVELFGLPGDPKRRYRTKLSPStNSINPVWkEEPFVFEKIlMPELASLRVA 767
Cdd:cd00275      1 PLTLTIKIISGQQLPkpkgdkGSIVDPYVEVEIHGLPADDSAKFKTKVVKN-NGFNPVW-NETFEFDVT-VPELAFLRFV 77
                           90       100       110       120       130
                   ....*....|....*....|....*....|....*....|....*....|.
gi 2462544654  768 VMEE---GNKFLGHRIIPINALNSGYHHLCLHSESNMPLTMPALFIFLEMK 815
Cdd:cd00275     78 VYDEdsgDDDFLGQACLPLDSLRQGYRHVPLLDSKGEPLELSTLFVHIDIT 128
EFh_PI-PLCbeta4 cd16211
EF-hand motif found in phosphoinositide phospholipase C beta 4 (PI-PLC-beta4); PI-PLC-beta4, ...
154-295 3.95e-29

EF-hand motif found in phosphoinositide phospholipase C beta 4 (PI-PLC-beta4); PI-PLC-beta4, also termed 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-4, or phospholipase C-beta-4 (PLC-beta4), is expressed in high concentrations in cerebellar Purkinje and granule cells, the median geniculate body, and the lateral geniculate nucleus. It may play a critical role in linking anxiety behaviors and theta rhythm heterogeneity. PI-PLC-beta4 is activated by the heterotrimeric G protein alpha q subunits through their C2 domain and long C-terminal extension. It contributes to generate cell-specific Ca2+ signals evoked by G protein-coupled receptor stimulation. PI-PLC-beta4 functions as a downstream signaling molecule of type 1 metabotropic glutamate receptors (mGluR1s). The thalamic mGluR1-PI-PLC-beta4 cascade is essential for formalin-induced inflammatory pain by regulating the response of ventral posterolateral thalamic nucleus (VPL) neurons. Moreover, PI-PLC-beta4 is essential for long-term depression (LTD) in the rostral cerebellum, which may be required for the acquisition of the conditioned eyeblink response. Besides, PI-PLC-beta4 may play an important role in maintenance of the status epilepticus. The mutations of PI-PLC-beta4 has been identified as the major cause of autosomal dominant auriculocondylar syndrome (ACS). PI-PLC-beta4 contains a core set of domains, including an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C2 domain. Besides, it has a unique C-terminal coiled-coil (CT) domain necessary for homodimerization. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence.


Pssm-ID: 320041  Cd Length: 153  Bit Score: 113.67  E-value: 3.95e-29
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  154 KLKMQLNSEGKIPVKNFFQMFPADR--KRVEAALSACHLPKGKNDAINPEDFPEPVYKSFLMSLCPRPEIDEIFTSYHAK 231
Cdd:cd16211      6 RLCFLVNPNGKIPVRSITRTFASGKteKIVFQSLKELGLPSGKNDEIEPEAFTFEKFYELYHKICPRTDIEELFKKINGD 85
                           90       100       110       120       130       140
                   ....*....|....*....|....*....|....*....|....*....|....*....|....
gi 2462544654  232 AKPYMTKEHLTKFINQKQRDSRLNSLLFPPARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFL 295
Cdd:cd16211     86 KKDYLTVDQLISFLNEHQRDPRLNEILFPFYDRKRVMQIIETYEVDEEFKKKEQLSSDGFCRYL 149
PLN02223 PLN02223
phosphoinositide phospholipase C
311-804 4.35e-27

phosphoinositide phospholipase C


Pssm-ID: 165867 [Multi-domain]  Cd Length: 537  Bit Score: 117.05  E-value: 4.35e-27
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  311 HHDMTQPLNHYFINSSHNTYLTAGQ-FSGLSSAEMYRQVLLSGCRCVELDCWkgkPPDEEPI-ITHGFTMTTDIFFKEAI 388
Cdd:PLN02223   105 HHDMHAPLSHYFIHTSLKSYFTGNNvFGKLYSIEPIIDALEQGVRVVELDLL---PDGKDGIcVRPKWNFEKPLELQECL 181
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  389 EAIAESAF-KTSPYPIILSFENHVdSPRQQAKMAEYCRTIFGDMLLTE----PLEKFplkpgvplPSPEDLRGKILIKNK 463
Cdd:PLN02223   182 DAIKEHAFtKCRSYPLIITFKDGL-KPDLQSKATQMIDQTFGDMVYHEdpqhSLEEF--------PSPAELQNKILISRR 252
                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  464 knqfsgptssskdtggeaegssPPS----APAGEGTVwageegteleeeeveeeeeeesGNLDEEEIKKMQSDEgtagle 539
Cdd:PLN02223   253 ----------------------PPKellyAKADDGGV----------------------GVRNELEIQEGPADK------ 282
                          250       260       270       280       290       300       310       320
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  540 vtayeemsslvNYiqpTKFVSFEFSAPR-LFTCIFSGHKHKKNRSYVISSftelkayDLLSKASVQFVDYN-KRQMSRIY 617
Cdd:PLN02223   283 -----------NY---QSLVGFHAVEPRgMLQKALTGKADDIQQPGWYER-------DIISFTQKKFLRTRpKKKNLLIN 341
                          330       340       350       360       370       380       390       400
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  618 PKgtrmdssnYMPQMFWNAGCQMVALNFQTMDLPMQQNMAVFEFNGQSGYLLKHEFMRR--PDKQFNPfsvdRIDVVVAT 695
Cdd:PLN02223   342 AP--------YKPQRAWMHGAQLIALSRKDDKEKLWLMQGMFRANGGCGYVKKPDFLLNagPSGVFYP----TENPVVVK 409
                          410       420       430       440       450       460       470       480
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  696 TLSITVISGQF----LSERSVR-----TYVEVELFGLPGDPKrryRTKLSPSTNSINPVWKEEpFVFeKILMPELASLRV 766
Cdd:PLN02223   410 ILKVKIYMGDGwivdFKKRIGRlskpdLYVRISIAGVPHDEK---IMKTTVKNNEWKPTWGEE-FTF-PLTYPDLALISF 484
                          490       500       510       520
                   ....*....|....*....|....*....|....*....|....*...
gi 2462544654  767 AV----MEEGNKFLGHRIIPINALNSGYHHLCLHSE------SNMPLT 804
Cdd:PLN02223   485 EVydyeVSTADAFCGQTCLPVSELIEGIRAVPLYDErgkacsSTMLLT 532
PI-PLCc_GDPD_SF cd08555
Catalytic domain of phosphoinositide-specific phospholipase C-like phosphodiesterases ...
324-482 5.24e-25

Catalytic domain of phosphoinositide-specific phospholipase C-like phosphodiesterases superfamily; The PI-PLC-like phosphodiesterases superfamily represents the catalytic domains of bacterial phosphatidylinositol-specific phospholipase C (PI-PLC, EC 4.6.1.13), eukaryotic phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11), glycerophosphodiester phosphodiesterases (GP-GDE, EC 3.1.4.46), sphingomyelinases D (SMases D) (sphingomyelin phosphodiesterase D, EC 3.1.4.41) from spider venom, SMases D-like proteins, and phospholipase D (PLD) from several pathogenic bacteria, as well as their uncharacterized homologs found in organisms ranging from bacteria and archaea to metazoans, plants, and fungi. PI-PLCs are ubiquitous enzymes hydrolyzing the membrane lipid phosphoinositides to yield two important second messengers, inositol phosphates and diacylglycerol (DAG). GP-GDEs play essential roles in glycerol metabolism and catalyze the hydrolysis of glycerophosphodiesters to sn-glycerol-3-phosphate (G3P) and the corresponding alcohols that are major sources of carbon and phosphate. Both, PI-PLCs and GP-GDEs, can hydrolyze the 3'-5' phosphodiester bonds in different substrates, and utilize a similar mechanism of general base and acid catalysis with conserved histidine residues, which consists of two steps, a phosphotransfer and a phosphodiesterase reaction. This superfamily also includes Neurospora crassa ankyrin repeat protein NUC-2 and its Saccharomyces cerevisiae counterpart, Phosphate system positive regulatory protein PHO81, glycerophosphodiester phosphodiesterase (GP-GDE)-like protein SHV3 and SHV3-like proteins (SVLs). The residues essential for enzyme activities and metal binding are not conserved in these sequence homologs, which might suggest that the function of catalytic domains in these proteins might be distinct from those in typical PLC-like phosphodiesterases.


Pssm-ID: 176498 [Multi-domain]  Cd Length: 179  Bit Score: 102.90  E-value: 5.24e-25
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  324 NSSHNTYLTAGQfsgLSSAEMYRQVLLSGCRCVELDCWKGKppDEEPIITHGFTMT------TDIFFKEAIEAIAESAFk 397
Cdd:cd08555      1 VLSHRGYSQNGQ---ENTLEAFYRALDAGARGLELDVRLTK--DGELVVYHGPTLDrttagiLPPTLEEVLELIADYLK- 74
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  398 TSPYPIILSFENHVDS---PRQQAKMAEYCRTIFGDmllteplekfplkpgvplpspeDLRGKILIKNkKNQFS-----G 469
Cdd:cd08555     75 NPDYTIILSLEIKQDSpeyDEFLAKVLKELRVYFDY----------------------DLRGKVVLSS-FNALGvdyynF 131
                          170
                   ....*....|...
gi 2462544654  470 PTSSSKDTGGEAE 482
Cdd:cd08555    132 SSKLIKDTELIAS 144
EFh_NorpA_like cd16212
EF-hand motif found in Drosophila melanogaster No receptor potential A protein (NorpA) and ...
153-299 1.96e-24

EF-hand motif found in Drosophila melanogaster No receptor potential A protein (NorpA) and similar proteins; NorpA, also termed 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase, is an eye-specific phosphoinositide phospholipase C (PI-PLC) encoded by norpA gene in Drosophila. It is expressed predominantly in photoreceptors and plays an essential role in the phototransduction pathway of Drosophila. A mutation within the norpA gene can render the fly blind without affecting any of the obvious structures of the eye. Like beta-class of vertebrate PI-PLCs, NorpA contains an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C2 domain. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence.


Pssm-ID: 320042 [Multi-domain]  Cd Length: 153  Bit Score: 100.32  E-value: 1.96e-24
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  153 VKLKMQLNSEGKIPVKNFFQMFPADR--KRVEAALSACHLPKGKNDAINPEDFPEPVYKSFLMSLCPRPEIDEIFTSYHA 230
Cdd:cd16212      5 MRLGFMVDSGGKIPVKHIARTFASGKteKLVYQCLAEMGLPSGKGDSIEKEDFTFEKFYALYHKICPRNDIEELFTSITK 84
                           90       100       110       120       130       140
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 2462544654  231 KAKPYMTKEHLTKFINQKQRDSRLNSLLFPPARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFLCGPE 299
Cdd:cd16212     85 GKGEHISLAQLINFMNDKQRDPRLNEILYPLYDEKRCTEIIKAYEQNEENIKNKRMSKDGFIRYLMSDE 153
EFh_PI-PLCdelta cd16202
EF-hand motif found in phosphoinositide phospholipase C delta (PI-PLC-delta); PI-PLC-delta ...
140-299 3.76e-14

EF-hand motif found in phosphoinositide phospholipase C delta (PI-PLC-delta); PI-PLC-delta isozymes represent a class of metazoan PI-PLCs that are some of the most sensitive to calcium among all PLCs. Their activation is modulated by intracellular calcium ion concentration, phospholipids, polyamines, and other proteins, such as RhoAGAP. Like other PI-PLC isozymes, PI-PLC-delta isozymes contain a core set of domains, including an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C-terminal C2 domain. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. There are three PI-PLC-delta isozymes (1, 3 and 4). PI-PLC-delta1 is relatively well characterized. It is activated by high calcium levels generated by other PI-PLC family members, and therefore functions as a calcium amplifier within the cell. Different PI-PLC-delta isozymes have different tissue distribution and different subcellular locations. PI-PLC-delta1 is mostly a cytoplasmic protein, PI-PLC-delta3 is located in the membrane, and PI-PLC-delta4 is predominantly detected in the cell nucleus. PI-PLC-delta isozymes is evolutionarily conserved even in non-mammalian species, such as yeast, slime molds and plants.


Pssm-ID: 320032 [Multi-domain]  Cd Length: 140  Bit Score: 70.33  E-value: 3.76e-14
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  140 ANASRSTFLD-KILVKLKMQLNsegkipvknffqmFPADRKRVEAALSACHlpKGKNDAINPEDFPEpvyksFLMSLCPR 218
Cdd:cd16202      9 ADKNGDGKLSfKECKKLLKKLN-------------VKVDKDYAKKLFQEAD--TSGEDVLDEEEFVQ-----FYNRLTKR 68
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  219 PEIDEIFTSYhAKAKPYMTKEHLTKFINQKQRdsrlnsllFPPARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWFLCGP 298
Cdd:cd16202     69 PEIEELFKKY-SGDDEALTVEELRRFLQEEQK--------VKDVTLEWAEQLIETYEPSEDLKAQGLMSLDGFTLFLLSP 139

                   .
gi 2462544654  299 E 299
Cdd:cd16202    140 D 140
C2 smart00239
Protein kinase C conserved region 2 (CalB); Ca2+-binding motif present in phospholipases, ...
696-792 6.07e-14

Protein kinase C conserved region 2 (CalB); Ca2+-binding motif present in phospholipases, protein kinases C, and synaptotagmins (among others). Some do not appear to contain Ca2+-binding sites. Particular C2s appear to bind phospholipids, inositol polyphosphates, and intracellular proteins. Unusual occurrence in perforin. Synaptotagmin and PLC C2s are permuted in sequence with respect to N- and C-terminal beta strands. SMART detects C2 domains using one or both of two profiles.


Pssm-ID: 214577 [Multi-domain]  Cd Length: 101  Bit Score: 68.67  E-value: 6.07e-14
                            10        20        30        40        50        60        70        80
                    ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654   696 TLSITVISGQFLSER----SVRTYVEVELFGlpgDPKRRYRTKLSPSTNsiNPVWKEEpFVFEkILMPELASLRVAVMEE 771
Cdd:smart00239    1 TLTVKIISARNLPPKdkggKSDPYVKVSLDG---DPKEKKKTKVVKNTL--NPVWNET-FEFE-VPPPELAELEIEVYDK 73
                            90       100
                    ....*....|....*....|....*
gi 2462544654   772 ----GNKFLGHRIIPINALNSGYHH 792
Cdd:smart00239   74 drfgRDDFIGQVTIPLSDLLLGGRH 98
EFh_PI-PLC cd15898
EF-hand motif found in eukaryotic phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4. ...
155-299 1.17e-12

EF-hand motif found in eukaryotic phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11) isozymes; PI-PLC isozymes are signaling enzymes that hydrolyze the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, Inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which goes on to phosphorylate other molecules, leading to altered cellular activity. Calcium is required for the catalysis. This family corresponds to the four EF-hand motifs containing PI-PLC isozymes, including PI-PLC-beta (1-4), -gamma (1-2), -delta (1,3,4), -epsilon (1), -zeta (1), eta (1-2). Lower eukaryotes such as yeast and slime molds contain only delta-type isozymes. In contrast, other types of isoforms present in higher eukaryotes. This family also includes 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase 1 (PLC1) from fungi. Some homologs from plants contain only two atypical EF-hand motifs and they are not included. All PI-PLC isozymes except sperm-specific PI-PLC-zeta share a core set of domains, including an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C2 domain. PI-PLC-zeta lacks the PH domain. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. Most of EF-hand motifs found in PI-PLCs consist of a helix-loop-helix structure, but lack residues critical to metal binding. Moreover, the EF-hand region of most of PI-PLCs may have an important regulatory function, but it has yet to be identified. However, PI-PLC-zeta is a key exception. It is responsible for Ca2+ oscillations in fertilized oocytes and exhibits a high sensitivity to Ca2+ mediated through its EF-hand domain. In addition, PI-PLC-eta2 shows a canonical EF-loop directing Ca2+-sensitivity and thus can amplify transient Ca2+ signals. Also it appears that PI-PLC-delta1 can regulate the binding of PH domain to PIP2 in a Ca2+-dependent manner through its functionally important EF-hand domains. PI-PLCs can be activated by a variety of extracellular ligands, such as growth factors, hormones, cytokines and lipids. Their activation has been implicated in tumorigenesis and/or metastasis linked to migration, proliferation, growth, inflammation, angiogenesis and actin cytoskeleton reorganization. PI-PLC-beta isozymes are activated by G-protein coupled receptor (GPCR) through different mechanisms. However, PI-PLC-gamma isozymes are activated by receptor tyrosine kinase (RTK), such as Rho and Ras GTPases. In contrast, PI-PLC-epsilon are activated by both GPCR and RTK. PI-PLC-delta1 and PLC-eta 1 are activated by GPCR-mediated calcium mobilization. The activation mechanism for PI-PLC-zeta remains unclear.


Pssm-ID: 320029 [Multi-domain]  Cd Length: 137  Bit Score: 66.15  E-value: 1.17e-12
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  155 LKMQLNSEGKIPVKNFFQM-----FPADRKRVEAALSACHlpKGKNDAINPEDFpepvyKSFLMSLCPRPEIDEIFTSYH 229
Cdd:cd15898      7 IKADKDGDGKLSLKEIKKLlkrlnIRVSEKELKKLFKEVD--TNGDGTLTFDEF-----EELYKSLTERPELEPIFKKYA 79
                           90       100       110       120       130       140       150
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  230 AKAKPYMTKEHLTKFINQKQRDSRlnsllfppaRPDQVQGLIDKYEPSGinaQRGQLSPEGMVWFLCGPE 299
Cdd:cd15898     80 GTNRDYMTLEEFIRFLREEQGENV---------SEEECEELIEKYEPER---ENRQLSFEGFTNFLLSPE 137
C2 pfam00168
C2 domain;
696-789 2.73e-10

C2 domain;


Pssm-ID: 425499 [Multi-domain]  Cd Length: 104  Bit Score: 58.48  E-value: 2.73e-10
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  696 TLSITVISGQFL----SERSVRTYVEVELfglpGDPKRRYRTKLSPstNSINPVWKEEpFVFEkILMPELASLRVAVMEE 771
Cdd:pfam00168    2 RLTVTVIEAKNLppkdGNGTSDPYVKVYL----LDGKQKKKTKVVK--NTLNPVWNET-FTFS-VPDPENAVLEIEVYDY 73
                           90       100
                   ....*....|....*....|..
gi 2462544654  772 ----GNKFLGHRIIPINALNSG 789
Cdd:pfam00168   74 drfgRDDFIGEVRIPLSELDSG 95
EF-hand_like pfam09279
Phosphoinositide-specific phospholipase C, efhand-like; Members of this family are ...
215-303 1.14e-09

Phosphoinositide-specific phospholipase C, efhand-like; Members of this family are predominantly found in phosphoinositide-specific phospholipase C. They adopt a structure consisting of a core of four alpha helices, in an EF like fold, and are required for functioning of the enzyme.


Pssm-ID: 401279 [Multi-domain]  Cd Length: 85  Bit Score: 55.72  E-value: 1.14e-09
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  215 LCPRPEIDEIFTSYhAKAKPYMTKEHLTKFINQKQRDSRlnsllfppARPDQVQGLIDKYEPSGINAQRGQLSPEGMVWF 294
Cdd:pfam09279    5 LTQREEIDEIFQEY-SGDGQKLSLDELVDFLREEQREED--------ASPALALSLIERYEPSETAKKQHAMTKDGFLMY 75

                   ....*....
gi 2462544654  295 LCGPENSVL 303
Cdd:pfam09279   76 LCSPDGSIF 84
EFh_PI-PLCdelta1 cd16217
EF-hand motif found in phosphoinositide phospholipase C delta 1 (PI-PLC-delta1); PI-PLC-delta1, ...
209-299 2.49e-07

EF-hand motif found in phosphoinositide phospholipase C delta 1 (PI-PLC-delta1); PI-PLC-delta1, also termed 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase delta-1 (PLCD1), or phospholipase C-III (PLC-III), or phospholipase C-delta-1 (PLC-delta-1), is present in high abundancy in the brain, heart, lung, skeletal muscle and testis. It is activated by high calcium levels generated by other PI-PLC family members, and therefore functions as a calcium amplifier within the cell. PI-PLC-delta1 is required for maintenance of homeostasis in skin and metabolic tissues. Moreover, it is essential in trophoblasts for placental development. Simultaneous loss of PI-PLC-delta1 may cause placental vascular defects, leading to embryonic lethality. PI-PLC-delta1 can be positively or negatively regulated by several binding partners, including p122/Rho GTPase activating protein (RhoGAP), Gha/Transglutaminase II, RalA, and calmodulin. It is involved in Alzheimer's disease and hypertension. Furthermore, PI-PLC-delta1 regulates cell proliferation and cell-cycle progression from G1- to S-phase by control of cyclin E-CDK2 activity and p27 levels. It can be activated by alpha1-adrenoreceptors (AR) in a calcium-dependent manner and may be important for G protein-coupled receptors (GPCR) responses in vascular smooth muscle (VSM). PI-PLC-delta1 may also be involved in noradrenaline (NA)-induced phosphatidylinositol-4,5-bisphosphate (PIP2) hydrolysis and modulate sustained contraction of mesenteric small arteries. In addition, it inhibits thermogenesis and induces lipid accumulation, and therefore contributes to the development of obesity. PI-PLC-delta1 contains a core set of domains, including an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core, and a single C-terminal C2 domain. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. PI-PLC-delta1 can regulate the binding of PH domain to PIP2 in a Ca2+-dependent manner through its functionally important EF-hand domains. In addition, PI-PLC-delta1 possesses a classical leucine-rich nuclear export sequence (NES) located in the EF hand motifs, as well as a nuclear localization signal within its linker region, both of which may be responsible for translocating PI-PLC-delta1 into and out of the cell nucleus.


Pssm-ID: 320047 [Multi-domain]  Cd Length: 139  Bit Score: 50.89  E-value: 2.49e-07
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  209 KSFLMSLCPRPEIDEIFTSYhAKAKPYMTKEHLTKFINQKQRDsrlnsllfpPARPDQVQGLIDKYEPSGINAQRGQLSP 288
Cdd:cd16217     59 EEFYKLLTKREEIDVIFGEY-AKSDGTMSRNNLLNFLQEEQRE---------EVAPAYALSLIEKYEPDETAKAQRQMTK 128
                           90
                   ....*....|.
gi 2462544654  289 EGMVWFLCGPE 299
Cdd:cd16217    129 DGFLMYLLSPE 139
C2 cd00030
C2 domain; The C2 domain was first identified in PKC. C2 domains fold into an 8-standed ...
697-786 6.29e-07

C2 domain; The C2 domain was first identified in PKC. C2 domains fold into an 8-standed beta-sandwich that can adopt 2 structural arrangements: Type I and Type II, distinguished by a circular permutation involving their N- and C-terminal beta strands. Many C2 domains are Ca2+-dependent membrane-targeting modules that bind a wide variety of substances including bind phospholipids, inositol polyphosphates, and intracellular proteins. Most C2 domain proteins are either signal transduction enzymes that contain a single C2 domain, such as protein kinase C, or membrane trafficking proteins which contain at least two C2 domains, such as synaptotagmin 1. However, there are a few exceptions to this including RIM isoforms and some splice variants of piccolo/aczonin and intersectin which only have a single C2 domain. C2 domains with a calcium binding region have negatively charged residues, primarily aspartates, that serve as ligands for calcium ions.


Pssm-ID: 175973 [Multi-domain]  Cd Length: 102  Bit Score: 48.60  E-value: 6.29e-07
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  697 LSITVISGQFL----SERSVRTYVEVELfglpgDPKRRYRTKLSPstNSINPVWKEEpFVFEkILMPELASLRVAVMEE- 771
Cdd:cd00030      1 LRVTVIEARNLpakdLNGKSDPYVKVSL-----GGKQKFKTKVVK--NTLNPVWNET-FEFP-VLDPESDTLTVEVWDKd 71
                           90
                   ....*....|....*...
gi 2462544654  772 ---GNKFLGHRIIPINAL 786
Cdd:cd00030     72 rfsKDDFLGEVEIPLSEL 89
EFh_PI-PLCdelta4 cd16219
EF-hand motif found in phosphoinositide phospholipase C delta 4 (PI-PLC-delta4); PI-PLC-delta4, ...
211-299 1.75e-05

EF-hand motif found in phosphoinositide phospholipase C delta 4 (PI-PLC-delta4); PI-PLC-delta4, also termed 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase delta-4 (PLCD4), or phospholipase C-delta-4 (PLC-delta-4), is expressed in various tissues with the highest levels detected selectively in the brain, skeletal muscle, testis and kidney. It plays a significant role in cell growth, cell proliferation, tumorigenesis, and in an early stage of fertilization. PI-PLC-delta4 may function as a key enzyme in the regulation of PtdIns(4,5)P2 levels and Ca2+ metabolism in nuclei in response to growth factors, and its expression may be partially regulated by an increase in cytoplasmic Ca2+. Moreover, PI-PLC-delta4 binds glutamate receptor-interacting protein1 (GRIP1) in testis and is required for calcium mobilization essential for the zona pellucida-induced acrosome reaction in sperm. Overexpression or dysregulated expression of PLCdelta4 may initiate oncogenesis in certain tissues through upregulating erbB1/2 expression, extracellular signal-regulated kinase (ERK) signaling pathway, and proliferation in MCF-7 cells. PI-PLC-delta4 contains an N-terminal pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core domain, and a C-terminal C2 domain. The PLC catalytic core domain is a TIM barrel with two highly conserved regions (X and Y) split by a highly degenerate linker sequence. Unlike PI-PLC-delta 1 and 3, a putative nuclear export sequence (NES) located in the EF-hand domain, which may be responsible transporting PI-PLC-delta1 and 3 from the cell nucleus, is not present in PI-PLC-delta4.


Pssm-ID: 320049 [Multi-domain]  Cd Length: 140  Bit Score: 45.61  E-value: 1.75e-05
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  211 FLMSLCPRPEIDEIFTSYHAKAKPyMTKEHLTKFINQKQRDsrlnsllfPPARPDQVQGLIDKYEPSGINAQRGQLSPEG 290
Cdd:cd16219     61 FYKALTQREDVLKIFQDFSADGQK-LTLLEFVDFLQQEQLE--------RENTEELAMELIDRYEPSDTAKKLHALSIDG 131

                   ....*....
gi 2462544654  291 MVWFLCGPE 299
Cdd:cd16219    132 FLMYLCSPE 140
PI-PLCc_bacteria_like cd08557
Catalytic domain of bacterial phosphatidylinositol-specific phospholipase C and similar ...
312-460 1.93e-04

Catalytic domain of bacterial phosphatidylinositol-specific phospholipase C and similar proteins; This subfamily corresponds to the catalytic domain present in bacterial phosphatidylinositol-specific phospholipase C (PI-PLC, EC 4.6.1.13) and their sequence homologs found in eukaryota. Bacterial PI-PLCs participate in Ca2+-independent PI metabolism, hydrolyzing the membrane lipid phosphatidylinositol (PI) to produce phosphorylated myo-inositol and diacylglycerol (DAG). Although their precise physiological function remains unclear, bacterial PI-PLCs may function as virulence factors in some pathogenic bacteria. Bacterial PI-PLCs contain a single TIM-barrel type catalytic domain. Its catalytic mechanism is based on general base and acid catalysis utilizing two well conserved histidines, and consists of two steps, a phosphotransfer and a phosphodiesterase reaction. Eukaryotic homologs in this family are named as phosphatidylinositol-specific phospholipase C X domain containing proteins (PI-PLCXD). They are distinct from the typical eukaryotic phosphoinositide-specific phospholipases C (PI-PLC, EC 3.1.4.11), which have a multidomain organization that consists of a PLC catalytic core domain, and various regulatory domains. The catalytic core domain is assembled from two highly conserved X- and Y-regions split by a divergent linker sequence. In contrast, eukaryotic PI-PLCXDs contain a single TIM-barrel type catalytic domain, X domain, which is closely related to that of bacterial PI-PLCs. Although the biological function of eukaryotic PI-PLCXDs still remains unclear, it may be distinct from that of typical eukaryotic PI-PLCs. This family also includes a distinctly different type of eukaryotic PLC, glycosylphosphatidylinositol-specific phospholipase C (GPI-PLC), an integral membrane protein characterized in the protozoan parasite Trypanosoma brucei. T. brucei GPI-PLC hydrolyzes the GPI-anchor on the variant specific glycoprotein (VSG), releasing dimyristyl glycerol (DMG), which may facilitate the evasion of the protozoan to the host's immune system. It does not require Ca2+ for its activity and is more closely related to bacterial PI-PLCs, but not mammalian PI-PLCs.


Pssm-ID: 176500 [Multi-domain]  Cd Length: 271  Bit Score: 44.39  E-value: 1.93e-04
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  312 HDMTQPLNHYFINSSHNTY-LTAGQFSGLSSA-----EMY-RQVLLSGCRCVELDCWKgKPPDEEPIITHGFTMTTDIFF 384
Cdd:cd08557      3 LLDDLPLSQLSIPGTHNSYaYTIDGNSPIVSKwsktqDLSiTDQLDAGVRYLDLRVAY-DPDDGDLYVCHGLFLLNGQTL 81
                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  385 KEAIEAIAesAF-KTSPY-PIILSFENHV--DSPRQQAKMAEYCRTIFGDMLLTeplekfPLKPGVPLPSPEDLR-GKIL 459
Cdd:cd08557     82 EDVLNEVK--DFlDAHPSeVVILDLEHEYggDNGEDHDELDALLRDVLGDPLYR------PPVRAGGWPTLGELRaGKRV 153

                   .
gi 2462544654  460 I 460
Cdd:cd08557    154 L 154
EFh_PRIP cd16206
EF-hand motif found in phospholipase C-related but catalytically inactive proteins (PRIP); ...
197-299 2.76e-04

EF-hand motif found in phospholipase C-related but catalytically inactive proteins (PRIP); This family represents a class of metazoan phospholipase C related, but catalytically inactive proteins (PRIP), which belong to a group of novel inositol 1,4,5-trisphosphate (InsP3) binding protein. PRIP has a primary structure and domain architecture, incorporating a pleckstrin homology (PH) domain, four atypical EF-hand motifs, a PLC catalytic core domain with highly conserved X- and Y-regions split by a linker sequence, and a C-terminal C2 domain, similar to phosphoinositide-specific phospholipases C (PI-PLC, EC 3.1.4.11)-delta isoforms. Due to replacement of critical catalytic residues, PRIP do not have PLC enzymatic activity. PRIP consists of two subfamilies, PRIP-1(also known as p130 or PLC-L1), which is predominantly expressed in the brain, and PRIP-2 (also known as PLC-L2), which exhibits a relatively ubiquitous expression. Experiments show both, PRIP-1 and PRIP-2, are involved in InsP3-mediated calcium signaling pathway and GABA(A)receptor-mediated signaling pathway. In addition, PRIP-2 acts as a negative regulator of B-cell receptor signaling and immune responses.


Pssm-ID: 320036 [Multi-domain]  Cd Length: 143  Bit Score: 42.20  E-value: 2.76e-04
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  197 AINPEDFPEpVYKSflmsLCPRPEIDEIFTSYhAKAKPYMTKEHLTKFINQKQRDSRLNsllfpparPDQVQGLIDKYEP 276
Cdd:cd16206     55 RVSSDEFVE-LFKE----LATRPEIYFLLVRY-ASNKDYLTVDDLMLFLEAEQGMTGVT--------KEKCLEIINKYEP 120
                           90       100
                   ....*....|....*....|...
gi 2462544654  277 SGINAQRGQLSPEGMVWFLCGPE 299
Cdd:cd16206    121 SEEGREKGQLGIDGFTRYLLSEE 143
EFh_ScPlc1p_like cd16207
EF-hand motif found in Saccharomyces cerevisiae phospholipase C-1 (ScPlc1p) and similar ...
202-295 2.88e-04

EF-hand motif found in Saccharomyces cerevisiae phospholipase C-1 (ScPlc1p) and similar proteins; This family represents a group of putative phosphoinositide-specific phospholipase C (PI-PLC, EC 3.1.4.11) encoded by PLC1 genes from yeasts, which are homologs of the delta isoforms of mammalian PI-PLC in terms of overall sequence similarity and domain organization. Mammalian PI-PLC is a signaling enzyme that hydrolyzes the membrane phospholipids phosphatidylinositol-4,5-bisphosphate (PIP2) to generate two important second messengers in eukaryotic signal transduction cascades, inositol 1,4,5-trisphosphate (InsP3) and diacylglycerol (DAG). InsP3 triggers inflow of calcium from intracellular stores, while DAG, together with calcium, activates protein kinase C, which then phosphorylates other molecules, leading to altered cellular activity. Calcium is required for the catalysis. The prototype of this family is protein Plc1p (also termed 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase 1) encoded by PLC1 genes from Saccharomyces cerevisiae. ScPlc1p contains both highly conserved X- and Y- regions of PLC catalytic core domain, as well as a presumptive EF-hand like calcium binding motif. Experiments show that ScPlc1p displays calcium dependent catalytic properties with high similarity to those of the mammalian PLCs, and plays multiple roles in modulating the membrane/protein interactions in filamentation control. CaPlc1p encoded by CAPLC1 from the closely related yeast Candida albicans, an orthologue of S. cerevisiae Plc1p, is also included in this group. Like SCPlc1p, CaPlc1p has conserved presumptive catalytic domain, shows PLC activity when expressed in E. coli, and is involved in multiple cellular processes. There are two other gene copies of CAPLC1 in C. albicans, CAPLC2 (also named as PIPLC) and CAPLC3. Experiments show CaPlc1p is the only enzyme in C. albicans which functions as PLC. The biological functions of CAPLC2 and CAPLC3 gene products must be clearly different from CaPlc1p, but their exact roles remain unclear. Moreover, CAPLC2 and CAPLC3 gene products are more similar to extracellular bacterial PI-PLC than to the eukaryotic PI-PLC, and they are not included in this subfamily.


Pssm-ID: 320037 [Multi-domain]  Cd Length: 142  Bit Score: 42.24  E-value: 2.88e-04
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  202 DFPEpvYKSFLMSLCPRPEIDEIFTSYHAKAKPYMTKEHLTKFINQKQRDSRlnsllfppaRPDQVQGLIDKYEPSGINA 281
Cdd:cd16207     56 NFEE--FQEFVKLLKRRKDIKAIFKQLTKPGSDGLTLEEFLKFLRDVQKEDV---------DRETWEKIFEKFARRIDDS 124
                           90
                   ....*....|....
gi 2462544654  282 QRGQLSPEGMVWFL 295
Cdd:cd16207    125 DSLTMTLEGFTSFL 138
C2B_Synaptotagmin cd00276
C2 domain second repeat present in Synaptotagmin; Synaptotagmin is a membrane-trafficking ...
697-792 4.67e-04

C2 domain second repeat present in Synaptotagmin; Synaptotagmin is a membrane-trafficking protein characterized by a N-terminal transmembrane region, a linker, and 2 C-terminal C2 domains. There are several classes of Synaptotagmins. Previously all synaptotagmins were thought to be calcium sensors in the regulation of neurotransmitter release and hormone secretion, but it has been shown that not all of them bind calcium. Of the 17 identified synaptotagmins only 8 bind calcium (1-3, 5-7, 9, 10). The function of the two C2 domains that bind calcium are: regulating the fusion step of synaptic vesicle exocytosis (C2A) and binding to phosphatidyl-inositol-3,4,5-triphosphate (PIP3) in the absence of calcium ions and to phosphatidylinositol bisphosphate (PIP2) in their presence (C2B). C2B also regulates also the recycling step of synaptic vesicles. C2 domains fold into an 8-standed beta-sandwich that can adopt 2 structural arrangements: Type I and Type II, distinguished by a circular permutation involving their N- and C-terminal beta strands. Many C2 domains are Ca2+-dependent membrane-targeting modules that bind a wide variety of substances including bind phospholipids, inositol polyphosphates, and intracellular proteins. Most C2 domain proteins are either signal transduction enzymes that contain a single C2 domain, such as protein kinase C, or membrane trafficking proteins which contain at least two C2 domains, such as synaptotagmin 1. However, there are a few exceptions to this including RIM isoforms and some splice variants of piccolo/aczonin and intersectin which only have a single C2 domain. C2 domains with a calcium binding region have negatively charged residues, primarily aspartates, that serve as ligands for calcium ions. This cd contains the second C2 repeat, C2B, and has a type-I topology.


Pssm-ID: 175975 [Multi-domain]  Cd Length: 134  Bit Score: 41.41  E-value: 4.67e-04
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  697 LSITVISGQFLSERSVR----TYVEVELFGlpgDPKRRYRTKLSPSTNSINPVWKEEpFVFEkilMP----ELASLRVAV 768
Cdd:cd00276     16 LTVVVLKARNLPPSDGKglsdPYVKVSLLQ---GGKKLKKKKTSVKKGTLNPVFNEA-FSFD---VPaeqlEEVSLVITV 88
                           90       100
                   ....*....|....*....|....*...
gi 2462544654  769 MEEG----NKFLGHRIIPINALNSGYHH 792
Cdd:cd00276     89 VDKDsvgrNEVIGQVVLGPDSGGEELEH 116
C2_Rab11-FIP_classI cd08682
C2 domain found in Rab11-family interacting proteins (FIP) class I; Rab GTPases recruit ...
728-792 5.70e-04

C2 domain found in Rab11-family interacting proteins (FIP) class I; Rab GTPases recruit various effector proteins to organelles and vesicles. Rab11-family interacting proteins (FIPs) are involved in mediating the role of Rab11. FIPs can be divided into three classes: class I FIPs (Rip11a, Rip11b, RCP, and FIP2) which contain a C2 domain after N-terminus of the protein, class II FIPs (FIP3 and FIP4) which contain two EF-hands and a proline rich region, and class III FIPs (FIP1) which exhibits no homology to known protein domains. All FIP proteins contain a highly conserved, 20-amino acid motif at the C-terminus of the protein, known as Rab11/25 binding domain (RBD). Class I FIPs are thought to bind to endocytic membranes via their C2 domain, which interacts directly with phospholipids. Class II FIPs do not have any membrane binding domains leaving much to speculate about the mechanism involving FIP3 and FIP4 interactions with endocytic membranes. The members in this CD are class I FIPs. The exact function of the Rab11 and FIP interaction is unknown, but there is speculation that it involves the role of forming a targeting complex that recruits a group of proteins involved in membrane transport to organelles. The C2 domain was first identified in PKC. C2 domains fold into an 8-standed beta-sandwich that can adopt 2 structural arrangements: Type I and Type II, distinguished by a circular permutation involving their N- and C-terminal beta strands. Many C2 domains are Ca2+-dependent membrane-targeting modules that bind a wide variety of substances including bind phospholipids, inositol polyphosphates, and intracellular proteins. Most C2 domain proteins are either signal transduction enzymes that contain a single C2 domain, such as protein kinase C, or membrane trafficking proteins which contain at least two C2 domains, such as synaptotagmin 1. However, there are a few exceptions to this including RIM isoforms and some splice variants of piccolo/aczonin and intersectin which only have a single C2 domain. C2 domains with a calcium binding region have negatively charged residues, primarily aspartates, that serve as ligands for calcium ions.


Pssm-ID: 176064 [Multi-domain]  Cd Length: 126  Bit Score: 40.90  E-value: 5.70e-04
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|..
gi 2462544654  728 KRRYRTklSPSTNSINPVWKEE-PFVFEKILM--PELASLRVAVMEEGN----KFLGHRIIPINALNSGYHH 792
Cdd:cd08682     30 KEKYST--SVKEKTTSPVWKEEcSFELPGLLSgnGNRATLQLTVMHRNLlgldKFLGQVSIPLNDLDEDKGR 99
C2_C21orf25-like cd08678
C2 domain found in the Human chromosome 21 open reading frame 25 (C21orf25) protein; The ...
697-789 5.83e-04

C2 domain found in the Human chromosome 21 open reading frame 25 (C21orf25) protein; The members in this cd are named after the Human C21orf25 which contains a single C2 domain. Several other members contain a C1 domain downstream of the C2 domain. No other information on this protein is currently known. The C2 domain was first identified in PKC. C2 domains fold into an 8-standed beta-sandwich that can adopt 2 structural arrangements: Type I and Type II, distinguished by a circular permutation involving their N- and C-terminal beta strands. Many C2 domains are Ca2+-dependent membrane-targeting modules that bind a wide variety of substances including bind phospholipids, inositol polyphosphates, and intracellular proteins. Most C2 domain proteins are either signal transduction enzymes that contain a single C2 domain, such as protein kinase C, or membrane trafficking proteins which contain at least two C2 domains, such as synaptotagmin 1. However, there are a few exceptions to this including RIM isoforms and some splice variants of piccolo/aczonin and intersectin which only have a single C2 domain. C2 domains with a calcium binding region have negatively charged residues, primarily aspartates, that serve as ligands for calcium ions.


Pssm-ID: 176060 [Multi-domain]  Cd Length: 126  Bit Score: 40.81  E-value: 5.83e-04
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  697 LSITVISGQFLSER--SVRTYVEVELfglpGDPKRRYRTklSPSTNSINPVWkEEPFVFEkiLMPELASLRVAVMEEG-- 772
Cdd:cd08678      1 LLVKNIKANGLSEAagSSNPYCVLEM----DEPPQKYQS--STQKNTSNPFW-DEHFLFE--LSPNSKELLFEVYDNGkk 71
                           90
                   ....*....|....*....
gi 2462544654  773 --NKFLGHRIIPINALNSG 789
Cdd:cd08678     72 sdSKFLGLAIVPFDELRKN 90
C2_cPLA2 cd04036
C2 domain present in cytosolic PhosphoLipase A2 (cPLA2); A single copy of the C2 domain is ...
697-771 2.28e-03

C2 domain present in cytosolic PhosphoLipase A2 (cPLA2); A single copy of the C2 domain is present in cPLA2 which releases arachidonic acid from membranes initiating the biosynthesis of potent inflammatory mediators such as prostaglandins, leukotrienes, and platelet-activating factor. C2 domains fold into an 8-standed beta-sandwich that can adopt 2 structural arrangements: Type I and Type II, distinguished by a circular permutation involving their N- and C-terminal beta strands. Many C2 domains are Ca2+-dependent membrane-targeting modules that bind a wide variety of substances including bind phospholipids, inositol polyphosphates, and intracellular proteins. Most C2 domain proteins are either signal transduction enzymes that contain a single C2 domain, such as protein kinase C, or membrane trafficking proteins which contain at least two C2 domains, such as synaptotagmin 1. However, there are a few exceptions to this including RIM isoforms and some splice variants of piccolo/aczonin and intersectin which only have a single C2 domain. C2 domains with a calcium binding region have negatively charged residues, primarily aspartates, that serve as ligands for calcium ions. Members of this cd have a type-II topology.


Pssm-ID: 176001 [Multi-domain]  Cd Length: 119  Bit Score: 38.78  E-value: 2.28e-03
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2462544654  697 LSITVISGQFLSERSVRT----YVEVELfglPGDPKRRYRTKLSPstNSINPVWKEEpfvFEKILMPELAS-LRVAVMEE 771
Cdd:cd04036      2 LTVRVLRATNITKGDLLStpdcYVELWL---PTASDEKKRTKTIK--NSINPVWNET---FEFRIQSQVKNvLELTVMDE 73
PH_PLC_ELMO1 cd01248
Phospholipase C and Engulfment and cell motility protein 1 pleckstrin homology domain; The ...
17-88 9.16e-03

Phospholipase C and Engulfment and cell motility protein 1 pleckstrin homology domain; The C-terminal region of ELMO1, the PH domain and Pro-rich sequences, binds the SH3-containing region of DOCK2 forming a intermolecular five-helix bundle allowing for DOCK mediated Rac1 activation. ELMO1, a mammalian homolog of C. elegans CED-12, contains an N-terminal RhoG-binding region, a ELMO domain, a PH domain, and a C-terminal sequence with three PxxP motifs. Specificaly, PLCs catalyze the cleavage of phosphatidylinositol-4,5-bisphosphate (PIP2) and result in the release of 1,2-diacylglycerol (DAG) and inositol 1,4,5-triphosphate (IP3). These products trigger the activation of protein kinase C (PKC) and the release of Ca2+ from intracellular stores. There are fourteen kinds of mammalian phospholipase C which are are classified into six isotypes (beta, gamma, delta, epsilon, zeta, eta). All PLCs, except for PLCzeta, have a PH domain which is for most part N-terminally located, though lipid binding specificity is not conserved between them. In addition PLC gamma contains a split PH domain within its catalytic domain that is separated by 2 SH2 domains and a single SH3 domain. PH domains have diverse functions, but in general are involved in targeting proteins to the appropriate cellular location or in the interaction with a binding partner. They share little sequence conservation, but all have a common fold, which is electrostatically polarized. Less than 10% of PH domains bind phosphoinositide phosphates (PIPs) with high affinity and specificity. PH domains are distinguished from other PIP-binding domains by their specific high-affinity binding to PIPs with two vicinal phosphate groups: PtdIns(3,4)P2, PtdIns(4,5)P2 or PtdIns(3,4,5)P3 which results in targeting some PH domain proteins to the plasma membrane. A few display strong specificity in lipid binding. Any specificity is usually determined by loop regions or insertions in the N-terminus of the domain, which are not conserved across all PH domains. PH domains are found in cellular signaling proteins such as serine/threonine kinase, tyrosine kinases, regulators of G-proteins, endocytotic GTPases, adaptors, as well as cytoskeletal associated molecules and in lipid associated enzymes.


Pssm-ID: 269952  Cd Length: 108  Bit Score: 36.92  E-value: 9.16e-03
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....
gi 2462544654   17 LSQGERFIKWDdETTVASPVILRVDPKGYYLYWTYQSKEME--FLDITSIRDTRFGKFAKMPKSQKLRDVFNMD 88
Cdd:cd01248      1 LQQGTLLLKYR-EGSKPKERTFYLDPDGTRITWESSKKKSEkkSIDISDIKEIRPGKDTDGFKRKKKSNKPKEE 73
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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