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Conserved domains on  [gi|67090344|gb|AAY67550|]
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cytochrome b, partial (mitochondrion) [Anomalopteryx didiformis]

Protein Classification

cytochrome b family protein( domain architecture ID 581032)

cytochrome b family protein such as formate dehydrogenase subunit gamma or cytochrome b, a component of the ubiquinol-cytochrome c reductase complex (complex III or cytochrome b-c1 complex), a respiratory chain that generates an electrochemical potential coupled to ATP synthesis.

Gene Ontology:  GO:0046872|GO:0016491

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
Cytochrome_b_N super family cl23723
Cytochrome b (N-terminus)/b6/petB: Cytochrome b is a subunit of cytochrome bc1, an 11-subunit ...
1-92 3.08e-52

Cytochrome b (N-terminus)/b6/petB: Cytochrome b is a subunit of cytochrome bc1, an 11-subunit mitochondrial respiratory enzyme. Cytochrome b spans the mitochondrial membrane with 8 transmembrane helices (A-H) in eukaryotes. In plants and cyanobacteria, cytochrome b6 is analogous to eukaryote cytochrome b, containing two chains: helices A-D are encoded by the petB gene and helices E-H are encoded by the petD gene in these organisms. Cytochrome b/b6 contains two bound hemes and two ubiquinol/ubiquinone binding sites. The C-terminal portion of cytochrome b is described in a separate CD.


The actual alignment was detected with superfamily member MTH00119:

Pssm-ID: 474033 [Multi-domain]  Cd Length: 380  Bit Score: 167.00  E-value: 3.08e-52
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPL 80
Cdd:MTH00119 161 LVEWIWGGFSVDNPTLTRFFALHFLLPFLIAGLTLIHLLFLHETGSNNPLGLNSNTDKIPFHPYFSYKDLLGLTLMLTLL 240
                         90
                 ....*....|..
gi 67090344   81 LTLAFFSPNLLG 92
Cdd:MTH00119 241 LTLALFSPNLLG 252
 
Name Accession Description Interval E-value
CYTB MTH00119
cytochrome b; Provisional
1-92 3.08e-52

cytochrome b; Provisional


Pssm-ID: 214425 [Multi-domain]  Cd Length: 380  Bit Score: 167.00  E-value: 3.08e-52
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPL 80
Cdd:MTH00119 161 LVEWIWGGFSVDNPTLTRFFALHFLLPFLIAGLTLIHLLFLHETGSNNPLGLNSNTDKIPFHPYFSYKDLLGLTLMLTLL 240
                         90
                 ....*....|..
gi 67090344   81 LTLAFFSPNLLG 92
Cdd:MTH00119 241 LTLALFSPNLLG 252
QcrB/PetB COG1290
Cytochrome b subunit of the bc complex [Energy production and conversion];
1-90 5.77e-22

Cytochrome b subunit of the bc complex [Energy production and conversion];


Pssm-ID: 440901 [Multi-domain]  Cd Length: 393  Bit Score: 87.54  E-value: 5.77e-22
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344   1 L**WTWGGFSVDNPTLTRFFALH-FLLPFLIAGITLIHLTFLHESGSNNPLGI----VSHCDKIPFHPYFSTKDILGFML 75
Cdd:COG1290 171 LVTWLFGGEFPGDATLNRFFALHvLLLPALLLALVVLHLWLLHRHGHNNPPGPerkkTEKVDGVPFHPYYTVKDGFGFFV 250
                        90
                ....*....|....*
gi 67090344  76 MFIPLLTLAFFSPNL 90
Cdd:COG1290 251 FLGVFALLAFFFPIN 265
Cytochrom_B_N_2 pfam13631
Cytochrome b(N-terminal)/b6/petB;
1-92 7.76e-17

Cytochrome b(N-terminal)/b6/petB;


Pssm-ID: 433364  Cd Length: 169  Bit Score: 70.35  E-value: 7.76e-17
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344     1 L**WTWGGFSVDNPTLTRFFALHF-LLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIP 79
Cdd:pfam13631  75 LVWLLFGGPFPGTATIPRFYALHIlLLPGLILALIVAHLLLVEKHGQFPPPGTEKNVVGVPFWPVFAVKMLLFFLITVAL 154
                          90
                  ....*....|...
gi 67090344    80 LLTLAFFSPNLLG 92
Cdd:pfam13631 155 LIGLAQINPIWLG 167
Cytochrome_b_N cd00284
Cytochrome b (N-terminus)/b6/petB: Cytochrome b is a subunit of cytochrome bc1, an 11-subunit ...
1-47 6.96e-16

Cytochrome b (N-terminus)/b6/petB: Cytochrome b is a subunit of cytochrome bc1, an 11-subunit mitochondrial respiratory enzyme. Cytochrome b spans the mitochondrial membrane with 8 transmembrane helices (A-H) in eukaryotes. In plants and cyanobacteria, cytochrome b6 is analogous to eukaryote cytochrome b, containing two chains: helices A-D are encoded by the petB gene and helices E-H are encoded by the petD gene in these organisms. Cytochrome b/b6 contains two bound hemes and two ubiquinol/ubiquinone binding sites. The C-terminal portion of cytochrome b is described in a separate CD.


Pssm-ID: 238176  Cd Length: 200  Bit Score: 68.55  E-value: 6.96e-16
                        10        20        30        40
                ....*....|....*....|....*....|....*....|....*..
gi 67090344   1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSN 47
Cdd:cd00284 154 LVEWLWGGFSVDNATLTRFFALHFLLPFIIAVIVILHLLFLHEQGSS 200
 
Name Accession Description Interval E-value
CYTB MTH00119
cytochrome b; Provisional
1-92 3.08e-52

cytochrome b; Provisional


Pssm-ID: 214425 [Multi-domain]  Cd Length: 380  Bit Score: 167.00  E-value: 3.08e-52
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPL 80
Cdd:MTH00119 161 LVEWIWGGFSVDNPTLTRFFALHFLLPFLIAGLTLIHLLFLHETGSNNPLGLNSNTDKIPFHPYFSYKDLLGLTLMLTLL 240
                         90
                 ....*....|..
gi 67090344   81 LTLAFFSPNLLG 92
Cdd:MTH00119 241 LTLALFSPNLLG 252
CYTB MTH00131
cytochrome b; Provisional
1-92 2.57e-46

cytochrome b; Provisional


Pssm-ID: 177189 [Multi-domain]  Cd Length: 380  Bit Score: 151.73  E-value: 2.57e-46
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPL 80
Cdd:MTH00131 160 LVQWIWGGFSVDNATLTRFFAFHFLFPFVIAAATILHLLFLHETGSNNPLGLNSDADKISFHPYFSYKDLLGFAILLLAL 239
                         90
                 ....*....|..
gi 67090344   81 LTLAFFSPNLLG 92
Cdd:MTH00131 240 TSLALFSPNLLG 251
CYTB MTH00156
cytochrome b; Provisional
1-92 3.24e-44

cytochrome b; Provisional


Pssm-ID: 214440 [Multi-domain]  Cd Length: 356  Bit Score: 145.70  E-value: 3.24e-44
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPL 80
Cdd:MTH00156 150 LVQWIWGGFSVDNATLTRFFTFHFLLPFIILAMVMIHLLFLHQTGSNNPLGLNSNIDKIPFHPYFTFKDLVGFIIMLMLL 229
                         90
                 ....*....|..
gi 67090344   81 LTLAFFSPNLLG 92
Cdd:MTH00156 230 ILLTLINPYLLG 241
CYTB MTH00100
cytochrome b; Provisional
1-92 3.76e-44

cytochrome b; Provisional


Pssm-ID: 177162 [Multi-domain]  Cd Length: 379  Bit Score: 146.32  E-value: 3.76e-44
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPL 80
Cdd:MTH00100 160 LVEWIWGGFSVDKATLTRFFAFHFILPFIITALAMVHLLFLHETGSNNPSGIPSDSDKIPFHPYYTIKDILGLLLLILTL 239
                         90
                 ....*....|..
gi 67090344   81 LTLAFFSPNLLG 92
Cdd:MTH00100 240 MLLVLFSPDLLG 251
CYTB MTH00191
cytochrome b; Provisional
1-92 1.49e-43

cytochrome b; Provisional


Pssm-ID: 177239 [Multi-domain]  Cd Length: 365  Bit Score: 144.29  E-value: 1.49e-43
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPL 80
Cdd:MTH00191 157 LVQWLWGGFSVDNATLTRFFTFHFLLPFLIAALSLIHLLFLHETGSNNPLGLNSDSDKIPFHPYFSYKDILGFFILLFLL 236
                         90
                 ....*....|..
gi 67090344   81 LTLAFFSPNLLG 92
Cdd:MTH00191 237 LFLVLFSPNLLG 248
CYTB MTH00145
cytochrome b; Provisional
4-92 7.26e-43

cytochrome b; Provisional


Pssm-ID: 177203 [Multi-domain]  Cd Length: 379  Bit Score: 142.74  E-value: 7.26e-43
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    4 WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPLLTL 83
Cdd:MTH00145 164 WVWGGFSVGNATLKRFFSLHFLLPFVILGLSVLHLLFLHETGSNNPLGLDSDGDKVPFHPYYTIKDLVGFVVLLFLLVFL 243

                 ....*....
gi 67090344   84 AFFSPNLLG 92
Cdd:MTH00145 244 VLFFPNLLG 252
CYTB MTH00074
cytochrome b; Provisional
1-92 3.64e-42

cytochrome b; Provisional


Pssm-ID: 177145 [Multi-domain]  Cd Length: 380  Bit Score: 140.97  E-value: 3.64e-42
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPL 80
Cdd:MTH00074 161 LVQWIWGGFSVDKATLTRFFAFHFLLPFLIAGASIIHLLFLHETGSNNPTGLNSNPDKVPFHPYFSYKDLLGFLIMLTAL 240
                         90
                 ....*....|..
gi 67090344   81 LTLAFFSPNLLG 92
Cdd:MTH00074 241 ALLSLFSPNLLG 252
CYTB MTH00016
cytochrome b; Validated
1-92 8.81e-40

cytochrome b; Validated


Pssm-ID: 177102 [Multi-domain]  Cd Length: 378  Bit Score: 134.80  E-value: 8.81e-40
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPL 80
Cdd:MTH00016 161 LVQWLWGGFSVDNATLTRFFALHFLLPFVIAALSMIHLLFLHQTGSNNPLGVNSNSDKVPFHPYYTSKDIVGFIVMLFLL 240
                         90
                 ....*....|..
gi 67090344   81 LTLAFFSPNLLG 92
Cdd:MTH00016 241 LSVVLLWPNILG 252
CYTB MTH00034
cytochrome b; Validated
4-92 2.06e-37

cytochrome b; Validated


Pssm-ID: 177109 [Multi-domain]  Cd Length: 379  Bit Score: 128.67  E-value: 2.06e-37
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    4 WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPLLTL 83
Cdd:MTH00034 163 WIWGGFSVDNATLTRFFAFHFLFPFIIAALSIIHLLFLHQTGSNNPTGLNSNYDKVPFHTYFTTKDLVGFLILFAALSSL 242

                 ....*....
gi 67090344   84 AFFSPNLLG 92
Cdd:MTH00034 243 ALLFPTALN 251
CYTB MTH00224
cytochrome b; Provisional
1-91 4.91e-31

cytochrome b; Provisional


Pssm-ID: 164767 [Multi-domain]  Cd Length: 379  Bit Score: 111.94  E-value: 4.91e-31
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPL 80
Cdd:MTH00224 161 LVEWIWGGFAVDNATLNRFFSFHFLLPFAIMGATILHIMFLHQTGSNNPIGINADSARIPFHPYYSIKDALGYLIAILLL 240
                         90
                 ....*....|.
gi 67090344   81 LTLAFFSPNLL 91
Cdd:MTH00224 241 SLMVLFEPNLF 251
CYTB MTH00053
cytochrome b; Provisional
4-92 5.74e-30

cytochrome b; Provisional


Pssm-ID: 164624 [Multi-domain]  Cd Length: 381  Bit Score: 109.03  E-value: 5.74e-30
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    4 WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPLLTL 83
Cdd:MTH00053 164 WVWGGFSVSNATLNRFYSLHYLLPFILAGLALVHLIALHEDGSNNPIGVRSDIDKIPFHYYYVLKDLYGAVILLIILSII 243

                 ....*....
gi 67090344   84 AFFSPNLLG 92
Cdd:MTH00053 244 VFLFPYSLG 252
CYTB MTH00022
cytochrome b; Validated
4-92 8.08e-30

cytochrome b; Validated


Pssm-ID: 164595 [Multi-domain]  Cd Length: 379  Bit Score: 108.63  E-value: 8.08e-30
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    4 WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPLLTL 83
Cdd:MTH00022 162 WVWGGFSVSNATLNRFFSLHFLFPFILAFLVIVHLIYLHVDGSNNPIGLNSSVDKVSFHVYYTSKDWYGIVVLFFLLSFI 241

                 ....*....
gi 67090344   84 AFFSPNLLG 92
Cdd:MTH00022 242 VYFAPNLLG 250
CYTB MTH00033
cytochrome b; Provisional
4-84 5.53e-24

cytochrome b; Provisional


Pssm-ID: 133672 [Multi-domain]  Cd Length: 383  Bit Score: 93.08  E-value: 5.53e-24
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    4 WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPLLTL 83
Cdd:MTH00033 160 WIWGGFSVSNCTLNRFFSLHYLLPFVLVGLVLAHLLTLHEKGSNEPLGLVGLSDRTAFHVYFTIKDILGFLILFGVFVII 239

                 .
gi 67090344   84 A 84
Cdd:MTH00033 240 G 240
QcrB/PetB COG1290
Cytochrome b subunit of the bc complex [Energy production and conversion];
1-90 5.77e-22

Cytochrome b subunit of the bc complex [Energy production and conversion];


Pssm-ID: 440901 [Multi-domain]  Cd Length: 393  Bit Score: 87.54  E-value: 5.77e-22
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344   1 L**WTWGGFSVDNPTLTRFFALH-FLLPFLIAGITLIHLTFLHESGSNNPLGI----VSHCDKIPFHPYFSTKDILGFML 75
Cdd:COG1290 171 LVTWLFGGEFPGDATLNRFFALHvLLLPALLLALVVLHLWLLHRHGHNNPPGPerkkTEKVDGVPFHPYYTVKDGFGFFV 250
                        90
                ....*....|....*
gi 67090344  76 MFIPLLTLAFFSPNL 90
Cdd:COG1290 251 FLGVFALLAFFFPIN 265
CYTB MTH00046
cytochrome b; Validated
7-91 6.35e-19

cytochrome b; Validated


Pssm-ID: 177121 [Multi-domain]  Cd Length: 355  Bit Score: 78.87  E-value: 6.35e-19
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    7 GGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIV-SHCDKIPFHPYFSTKDILGFMLMFIPLLTLAF 85
Cdd:MTH00046 157 GGFSVTGVTLVRVFSVHICLGFVILGLMVVHLFYLHKSGSSNPLFSSnGYSDVVYFHSYFTVKDLFLFMVVCSLLVFWLF 236

                 ....*.
gi 67090344   86 FSPNLL 91
Cdd:MTH00046 237 VSPDLV 242
Cytochrom_B_N_2 pfam13631
Cytochrome b(N-terminal)/b6/petB;
1-92 7.76e-17

Cytochrome b(N-terminal)/b6/petB;


Pssm-ID: 433364  Cd Length: 169  Bit Score: 70.35  E-value: 7.76e-17
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344     1 L**WTWGGFSVDNPTLTRFFALHF-LLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIP 79
Cdd:pfam13631  75 LVWLLFGGPFPGTATIPRFYALHIlLLPGLILALIVAHLLLVEKHGQFPPPGTEKNVVGVPFWPVFAVKMLLFFLITVAL 154
                          90
                  ....*....|...
gi 67090344    80 LLTLAFFSPNLLG 92
Cdd:pfam13631 155 LIGLAQINPIWLG 167
CYTB MTH00086
cytochrome b; Provisional
4-92 2.27e-16

cytochrome b; Provisional


Pssm-ID: 177151 [Multi-domain]  Cd Length: 355  Bit Score: 71.89  E-value: 2.27e-16
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 67090344    4 WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSNNPLGIVSHCDKIPFHPYFSTKDILGFMLMFIpLLTL 83
Cdd:MTH00086 152 WIWGGFGVSSATLKFFFVLHFLLPWGLLVLVLFHLIFLHSTGSTSSLYCHGDYDKICFGPEYWNKDAYNIIFWLV-FIIF 230

                 ....*....
gi 67090344   84 AFFSPNLLG 92
Cdd:MTH00086 231 SLFYPFNLG 239
Cytochrome_b_N cd00284
Cytochrome b (N-terminus)/b6/petB: Cytochrome b is a subunit of cytochrome bc1, an 11-subunit ...
1-47 6.96e-16

Cytochrome b (N-terminus)/b6/petB: Cytochrome b is a subunit of cytochrome bc1, an 11-subunit mitochondrial respiratory enzyme. Cytochrome b spans the mitochondrial membrane with 8 transmembrane helices (A-H) in eukaryotes. In plants and cyanobacteria, cytochrome b6 is analogous to eukaryote cytochrome b, containing two chains: helices A-D are encoded by the petB gene and helices E-H are encoded by the petD gene in these organisms. Cytochrome b/b6 contains two bound hemes and two ubiquinol/ubiquinone binding sites. The C-terminal portion of cytochrome b is described in a separate CD.


Pssm-ID: 238176  Cd Length: 200  Bit Score: 68.55  E-value: 6.96e-16
                        10        20        30        40
                ....*....|....*....|....*....|....*....|....*..
gi 67090344   1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESGSN 47
Cdd:cd00284 154 LVEWLWGGFSVDNATLTRFFALHFLLPFIIAVIVILHLLFLHEQGSS 200
Cytochrome_B pfam00033
Cytochrome b/b6/petB;
1-45 7.33e-12

Cytochrome b/b6/petB;


Pssm-ID: 306530  Cd Length: 189  Bit Score: 58.16  E-value: 7.33e-12
                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....*
gi 67090344     1 L**WTWGGFSVDNPTLTRFFALHFLLPFLIAGITLIHLTFLHESG 45
Cdd:pfam00033 145 LVEWIWGSFSVDQATLTRFFSLHFLLPFILAILMLLHLLFLHETG 189
cytochrome_b_C cd00290
Cytochrome b(C-terminus)/b6/petD: Cytochrome b is a subunit of cytochrome bc1, an 11-subunit ...
48-92 4.90e-08

Cytochrome b(C-terminus)/b6/petD: Cytochrome b is a subunit of cytochrome bc1, an 11-subunit mitochondrial respiratory enzyme. Cytochrome b spans the mitochondrial membrane with 8 transmembrane helices (A-H) in eukaryotes. In plants and cyanobacteria, cytochrome b6 is analogous to eukaryote cytochrome b, containing two chains: helices A-D are encoded by the petB gene and helices E-H are encoded by the petD gene in these organisms. Cytochrome b/b6 contains two bound hemes and two ubiquinol/ubiquinone binding sites. The C-terminal domain is involved in forming the ubiquinol/ubiquinone binding sites, but not the heme binding sites. The N-terminal portion of cytochrome b, which contains both heme binding sites, is described in a separate CD.


Pssm-ID: 238179 [Multi-domain]  Cd Length: 147  Bit Score: 47.26  E-value: 4.90e-08
                        10        20        30        40
                ....*....|....*....|....*....|....*....|....*
gi 67090344  48 NPLGIVSHCDKIPFHPYFSTKDILGFMLMFIPLLTLAFFSPNLLG 92
Cdd:cd00290   1 NPLGLASDMDKISFHPYFWPKDLLGAFPILIIFMILVFYAPNLLG 45
PRK03735 PRK03735
cytochrome b6; Provisional
7-50 5.62e-05

cytochrome b6; Provisional


Pssm-ID: 179639  Cd Length: 223  Bit Score: 39.69  E-value: 5.62e-05
                         10        20        30        40
                 ....*....|....*....|....*....|....*....|....*
gi 67090344    7 GGFSVDNPTLTRFFALH-FLLPFLIAGITLIHLTFLHESGSNNPL 50
Cdd:PRK03735 179 GGEIVGAQTLTRFFAIHvFFLPWALAVLMLAHFLMIRKQGISGPL 223
petB CHL00070
cytochrome b6
7-50 6.93e-05

cytochrome b6


Pssm-ID: 177009  Cd Length: 215  Bit Score: 39.32  E-value: 6.93e-05
                         10        20        30        40
                 ....*....|....*....|....*....|....*....|....*
gi 67090344    7 GGFSVDNPTLTRFFALH-FLLPFLIAGITLIHLTFLHESGSNNPL 50
Cdd:CHL00070 171 GSVSVGQSTLTRFYSLHtFVLPLLTAVFMLMHFLMIRKQGISGPL 215
 
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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