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Conserved domains on  [gi|1631733489|ref|NP_001357136|]
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sodium/hydrogen exchanger 9B2 isoform 4 [Homo sapiens]

Protein Classification

cation:proton antiporter( domain architecture ID 1903467)

cation:proton antiporter functions in maintaining cation homeostasis and the pH of actively metabolizing cells; it may also be involved in regulating cell volume; similar to NhaP-type Na+/H+ or K+/H+ antiporter

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
NhaP super family cl42993
NhaP-type Na+/H+ or K+/H+ antiporter [Inorganic ion transport and metabolism];
160-419 2.34e-29

NhaP-type Na+/H+ or K+/H+ antiporter [Inorganic ion transport and metabolism];


The actual alignment was detected with superfamily member COG0025:

Pssm-ID: 439796 [Multi-domain]  Cd Length: 506  Bit Score: 120.45  E-value: 2.34e-29
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 160 PVINDNVQIKHKWSSSLRSIALSIILVRAGLGLDSKALKKLKGVCVRLSMGPCIVEACTSALLAHYLLGLPWQWGFILGF 239
Cdd:COG0025    41 PGLGLELDPELGDLEPLLELFLPPLLFEAALNLDLRELRRNGRPILRLAVVGVLLTTLAVALAAHWLLGLPLAAALLLGA 120
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 240 VLGAVSPAVVVPSMlllqgGGYGVEKGVPTLLMAAGSFDDILAITGFNTCLGIAFSTGSTVFNVLRGVL-EVVIGVATGS 318
Cdd:COG0025   121 ILAPTDPVAVSPIL-----RRLGVPKRLRTILEGESLLNDATALVLFVLALAAALGGGFSLGEALLDFLlAILGGILVGL 195
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 319 VLGFFIQYFPSRDQDKLVckRTFLVLGLSVLAVFSSVHFGfpGSGGLCTLVMAF-LAGMGWTSEKAEVEKIIAVAWD--- 394
Cdd:COG0025   196 LLGWLLGRLLRRLPDPLL--EILLTLALPFLAYLLAEALH--GSGVLAVVVAGLvLGNAGRRSLSPETRLQLLEFWEtle 271
                         250       260
                  ....*....|....*....|....*.
gi 1631733489 395 -IFQPLLFGLIGAEVSIASLRPETVG 419
Cdd:COG0025   272 fLLNSLLFVLLGAQLPLILLGALGLG 297
 
Name Accession Description Interval E-value
NhaP COG0025
NhaP-type Na+/H+ or K+/H+ antiporter [Inorganic ion transport and metabolism];
160-419 2.34e-29

NhaP-type Na+/H+ or K+/H+ antiporter [Inorganic ion transport and metabolism];


Pssm-ID: 439796 [Multi-domain]  Cd Length: 506  Bit Score: 120.45  E-value: 2.34e-29
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 160 PVINDNVQIKHKWSSSLRSIALSIILVRAGLGLDSKALKKLKGVCVRLSMGPCIVEACTSALLAHYLLGLPWQWGFILGF 239
Cdd:COG0025    41 PGLGLELDPELGDLEPLLELFLPPLLFEAALNLDLRELRRNGRPILRLAVVGVLLTTLAVALAAHWLLGLPLAAALLLGA 120
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 240 VLGAVSPAVVVPSMlllqgGGYGVEKGVPTLLMAAGSFDDILAITGFNTCLGIAFSTGSTVFNVLRGVL-EVVIGVATGS 318
Cdd:COG0025   121 ILAPTDPVAVSPIL-----RRLGVPKRLRTILEGESLLNDATALVLFVLALAAALGGGFSLGEALLDFLlAILGGILVGL 195
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 319 VLGFFIQYFPSRDQDKLVckRTFLVLGLSVLAVFSSVHFGfpGSGGLCTLVMAF-LAGMGWTSEKAEVEKIIAVAWD--- 394
Cdd:COG0025   196 LLGWLLGRLLRRLPDPLL--EILLTLALPFLAYLLAEALH--GSGVLAVVVAGLvLGNAGRRSLSPETRLQLLEFWEtle 271
                         250       260
                  ....*....|....*....|....*.
gi 1631733489 395 -IFQPLLFGLIGAEVSIASLRPETVG 419
Cdd:COG0025   272 fLLNSLLFVLLGAQLPLILLGALGLG 297
Na_H_Exchanger pfam00999
Sodium/hydrogen exchanger family; Na/H antiporters are key transporters in maintaining the pH ...
172-416 1.33e-15

Sodium/hydrogen exchanger family; Na/H antiporters are key transporters in maintaining the pH of actively metabolising cells. The molecular mechanisms of antiport are unclear. These antiporters contain 10-12 transmembrane regions (M) at the amino-terminus and a large cytoplasmic region at the carboxyl terminus. The transmembrane regions M3-M12 share identity with other members of the family. The M6 and M7 regions are highly conserved. Thus, this is thought to be the region that is involved in the transport of sodium and hydrogen ions. The cytoplasmic region has little similarity throughout the family.


Pssm-ID: 425982 [Multi-domain]  Cd Length: 377  Bit Score: 78.07  E-value: 1.33e-15
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 172 WSSSLRSIALSIILVRAGLGLDSKALKKLKGVCVRLSMGPCIVEACTSALLAHYL-LGLPWQWGFILGFVLGAVSPAVVV 250
Cdd:pfam00999  47 DLEVLSNLGLPPLLFLAGLELDLRELRKNGGSILLLALLGVLIPFVLIGLLLYLLgLGIPLLEALLFGAILSATSPVVVL 126
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 251 PsmlLLQGGGyGVEKGVPTLLMAAGSFDDILAITGFNTCLGIAFSTG--STVFNVLRGVL-EVVIGVATGSVLGFFIQYF 327
Cdd:pfam00999 127 A---ILKELG-RVPERLGTLLLGESVLNDGVAVVLLAVLLALAQGVGggSDLGWLLLIFLvVAVGGLLLGLLIGWLLRLI 202
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 328 pSRDQDKLVCKRTFLVLGLSVLAVFSSVHFGFPGsgglctLVMAFLAGM----GWTSEKAEvEKIIAVAWDIFQPLLFGL 403
Cdd:pfam00999 203 -TRFTDDDRELEVLLVLLLALLAALLAEALGVSG------ILGAFLAGLvlseYPFANKLS-EKLEPFGYGLFNPLFFVL 274
                         250
                  ....*....|...
gi 1631733489 404 IGAEVSIASLRPE 416
Cdd:pfam00999 275 VGLSLDLSSLLLS 287
PRK05326 PRK05326
potassium/proton antiporter;
178-324 8.41e-06

potassium/proton antiporter;


Pssm-ID: 235410 [Multi-domain]  Cd Length: 562  Bit Score: 48.27  E-value: 8.41e-06
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 178 SIALSIILVRAGLGLDSKALKKLKGVCVRLSMGPCIVEACTSALLAHYLLGLPWQWGFILGFVLGAVSPAVVvpsMLLLQ 257
Cdd:PRK05326   64 NLALAVILFDGGLRTRWSSFRPALGPALSLATLGVLITAGLTGLFAHWLLGLDWLEGLLLGAIVGSTDAAAV---FSLLR 140
                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 1631733489 258 GGGYGVEKGVPTLLMAAGSFDDILAItgFNTCLGIAFSTGSTVFNVLRGVLEVVIGVATGSVLGFFI 324
Cdd:PRK05326  141 GKGLNLKERVASTLEIESGSNDPMAV--FLTITLIELITGGETGLSWGFLLLFLQQFGLGALIGLLG 205
 
Name Accession Description Interval E-value
NhaP COG0025
NhaP-type Na+/H+ or K+/H+ antiporter [Inorganic ion transport and metabolism];
160-419 2.34e-29

NhaP-type Na+/H+ or K+/H+ antiporter [Inorganic ion transport and metabolism];


Pssm-ID: 439796 [Multi-domain]  Cd Length: 506  Bit Score: 120.45  E-value: 2.34e-29
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 160 PVINDNVQIKHKWSSSLRSIALSIILVRAGLGLDSKALKKLKGVCVRLSMGPCIVEACTSALLAHYLLGLPWQWGFILGF 239
Cdd:COG0025    41 PGLGLELDPELGDLEPLLELFLPPLLFEAALNLDLRELRRNGRPILRLAVVGVLLTTLAVALAAHWLLGLPLAAALLLGA 120
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 240 VLGAVSPAVVVPSMlllqgGGYGVEKGVPTLLMAAGSFDDILAITGFNTCLGIAFSTGSTVFNVLRGVL-EVVIGVATGS 318
Cdd:COG0025   121 ILAPTDPVAVSPIL-----RRLGVPKRLRTILEGESLLNDATALVLFVLALAAALGGGFSLGEALLDFLlAILGGILVGL 195
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 319 VLGFFIQYFPSRDQDKLVckRTFLVLGLSVLAVFSSVHFGfpGSGGLCTLVMAF-LAGMGWTSEKAEVEKIIAVAWD--- 394
Cdd:COG0025   196 LLGWLLGRLLRRLPDPLL--EILLTLALPFLAYLLAEALH--GSGVLAVVVAGLvLGNAGRRSLSPETRLQLLEFWEtle 271
                         250       260
                  ....*....|....*....|....*.
gi 1631733489 395 -IFQPLLFGLIGAEVSIASLRPETVG 419
Cdd:COG0025   272 fLLNSLLFVLLGAQLPLILLGALGLG 297
Na_H_Exchanger pfam00999
Sodium/hydrogen exchanger family; Na/H antiporters are key transporters in maintaining the pH ...
172-416 1.33e-15

Sodium/hydrogen exchanger family; Na/H antiporters are key transporters in maintaining the pH of actively metabolising cells. The molecular mechanisms of antiport are unclear. These antiporters contain 10-12 transmembrane regions (M) at the amino-terminus and a large cytoplasmic region at the carboxyl terminus. The transmembrane regions M3-M12 share identity with other members of the family. The M6 and M7 regions are highly conserved. Thus, this is thought to be the region that is involved in the transport of sodium and hydrogen ions. The cytoplasmic region has little similarity throughout the family.


Pssm-ID: 425982 [Multi-domain]  Cd Length: 377  Bit Score: 78.07  E-value: 1.33e-15
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 172 WSSSLRSIALSIILVRAGLGLDSKALKKLKGVCVRLSMGPCIVEACTSALLAHYL-LGLPWQWGFILGFVLGAVSPAVVV 250
Cdd:pfam00999  47 DLEVLSNLGLPPLLFLAGLELDLRELRKNGGSILLLALLGVLIPFVLIGLLLYLLgLGIPLLEALLFGAILSATSPVVVL 126
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 251 PsmlLLQGGGyGVEKGVPTLLMAAGSFDDILAITGFNTCLGIAFSTG--STVFNVLRGVL-EVVIGVATGSVLGFFIQYF 327
Cdd:pfam00999 127 A---ILKELG-RVPERLGTLLLGESVLNDGVAVVLLAVLLALAQGVGggSDLGWLLLIFLvVAVGGLLLGLLIGWLLRLI 202
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 328 pSRDQDKLVCKRTFLVLGLSVLAVFSSVHFGFPGsgglctLVMAFLAGM----GWTSEKAEvEKIIAVAWDIFQPLLFGL 403
Cdd:pfam00999 203 -TRFTDDDRELEVLLVLLLALLAALLAEALGVSG------ILGAFLAGLvlseYPFANKLS-EKLEPFGYGLFNPLFFVL 274
                         250
                  ....*....|...
gi 1631733489 404 IGAEVSIASLRPE 416
Cdd:pfam00999 275 VGLSLDLSSLLLS 287
KefB COG0475
Kef-type K+ transport system, membrane component KefB [Inorganic ion transport and metabolism]; ...
179-413 1.32e-12

Kef-type K+ transport system, membrane component KefB [Inorganic ion transport and metabolism];


Pssm-ID: 440243 [Multi-domain]  Cd Length: 384  Bit Score: 69.02  E-value: 1.32e-12
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 179 IALSIILVRAGLGLDSKALKKLKGVCVRLSMGPCIVEACTSALLAhYLLGLPWQWGFILGFVLGAVSPAVVVPSM--LLL 256
Cdd:COG0475    61 LGVVLLLFLIGLELDLKRLRKMGRRALGIGLLQVLLPFLLGFLLA-LLLGLSLAAALFLGAALAATSTAIVLKVLkeLGL 139
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 257 QGGGYGvekgvpTLLMAAGSFDDILAITGFNTCLGIA---FSTGSTVFNVLRGVLEVVIGVATGSVLG-FFIQYFPSRDQ 332
Cdd:COG0475   140 LKTPLG------QLILGVALFDDIAAILLLALVPALAgggSVAGSLLLALLKALLFLALLLLVGRYLLrRLFRLVARTRS 213
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 333 DKLVckrTFLVLGLSVLAVFSSVHFGFPgsgglcTLVMAFLAGM--GWTSEKAEVEKIIAVAWDIFQPLLFGLIGAEVSI 410
Cdd:COG0475   214 RELF---LLFALLLVLLAAALAELLGLS------AALGAFLAGLvlAESEYRHELEEKIEPFGDLFLPLFFVSVGLSLDL 284

                  ...
gi 1631733489 411 ASL 413
Cdd:COG0475   285 SAL 287
PRK05326 PRK05326
potassium/proton antiporter;
178-324 8.41e-06

potassium/proton antiporter;


Pssm-ID: 235410 [Multi-domain]  Cd Length: 562  Bit Score: 48.27  E-value: 8.41e-06
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 178 SIALSIILVRAGLGLDSKALKKLKGVCVRLSMGPCIVEACTSALLAHYLLGLPWQWGFILGFVLGAVSPAVVvpsMLLLQ 257
Cdd:PRK05326   64 NLALAVILFDGGLRTRWSSFRPALGPALSLATLGVLITAGLTGLFAHWLLGLDWLEGLLLGAIVGSTDAAAV---FSLLR 140
                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 1631733489 258 GGGYGVEKGVPTLLMAAGSFDDILAItgFNTCLGIAFSTGSTVFNVLRGVLEVVIGVATGSVLGFFI 324
Cdd:PRK05326  141 GKGLNLKERVASTLEIESGSNDPMAV--FLTITLIELITGGETGLSWGFLLLFLQQFGLGALIGLLG 205
NhaP2 COG3263
NhaP-type Na+/H+ and K+/H+ antiporter with C-terminal TrkAC and CorC domains [Energy ...
178-326 4.96e-04

NhaP-type Na+/H+ and K+/H+ antiporter with C-terminal TrkAC and CorC domains [Energy production and conversion, Inorganic ion transport and metabolism];


Pssm-ID: 442494 [Multi-domain]  Cd Length: 502  Bit Score: 42.40  E-value: 4.96e-04
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1631733489 178 SIALSIILVRAGLGLDSKALKKLKGVCVRLSMGPCIVEACTSALLAHYLLGLPWQWGFILGFVLGAVSPAVVvpsMLLLQ 257
Cdd:COG3263    64 SLALAVILFDGGLRTRWSSFRPVLAPALSLATLGVLLTAGLTGVFAHWLLGLSWLEGLLLGAIVSSTDAAAV---FSILR 140
                          90       100       110       120       130       140       150
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|...
gi 1631733489 258 GGGYGVEKGV-PTLLMAAGSFDD--ILAITGFntcLGIAFSTGSTVFNVLRG-VLEVVIGVATGSVLGFFIQY 326
Cdd:COG3263   141 SKGLNLKERLaSTLELESGSNDPmaVFLTIAL---IELITGGGASGWSLLLLfVLQMGLGALVGLAGGWLGVW 210
 
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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