Cytochrome b

Details

Name
Cytochrome b
Synonyms
  • fbcB
Gene Name
petB
Organism
Rhodobacter sphaeroides
Amino acid sequence
>lcl|BSEQ0019490|Cytochrome b
MSGIPHDHYEPRTGIEKWLHSRLPIVALAYDTIMIPTPRNLNWMWIWGVVLAFCLVLQIV
TGIVLAMHYTPHVDLAFASVEHIMRNVNGGFMLRYLHANGASLFFIAVYLHIFRGLYYGS
YKAPREVTWIVGMLIYLAMMATAFMGYVLPWGQMSFWGATVITGLFGAIPGIGHSIQTWL
LGGPAVDNATLNRFFSLHYLLPFVIAALVAIHIWAFHSTGNNNPTGVEVRRTSKAEAQKD
TVPFWPYFIIKDVFALAVVLLVFFAIVGFMPNYLGHPDNYIEANPLSTPAHIVPEWYFLP
FYAILRAFTADVWVVQIANFISFGIIDAKFFGVLAMFGAILVMALVPWLDTSPVRSGRYR
PMFKIYFWLLAADFVILTWVGAQQTTFPYDWISLIASAYWFAYFLVILPILGAIEKPVAP
PATIEEDFNAHYSPATGGTKTVVAE
Number of residues
445
Molecular Weight
50049.39
Theoretical pI
7.28
GO Classification
Functions
electron carrier activity / metal ion binding / ubiquinol-cytochrome-c reductase activity
Processes
mitochondrial electron transport, ubiquinol to cytochrome c
Components
plasma membrane / respiratory chain complex III
General Function
Ubiquinol-cytochrome-c reductase activity
Specific Function
Component of the ubiquinol-cytochrome c reductase complex (complex III or cytochrome b-c1 complex), which is a respiratory chain that generates an electrochemical potential coupled to ATP synthesis.
Pfam Domain Function
Transmembrane Regions
50-67 95-113 130-149 194-216 253-270 330-346 365-382 389-408
Cellular Location
Cell membrane
Gene sequence
>lcl|BSEQ0007439|564 bp
GTGTCCAACGCAGAAGATCACGCAGGCACTCGCAGGGATTTCCTGTATTACGCCACGGCC
GGAGCCGGGGCGGTGGCCACCGGGGCCGCCGTCTGGCCGCTGATCAACCAAATGAATCCG
TCGGCCGACGTGCAGGCCCTCGCCTCCATCTTCGTCGATGTGAGCTCGGTCGAGCCGGGT
GTCCAGCTGACCGTCAAGTTCCTCGGCAAACCGATCTTCATCCGCCGCCGCACCGAGGCC
GACATCGAGCTCGGCCGCTCCGTCCAGCTCGGCCAGCTGGTCGACACCAATGCCCGCAAC
GCGAACATCGACGCCGGCGCCGAGGCGACGGACCAGAACCGCACGCTGGACGAGGCCGGA
GAGTGGCTGGTGATGTGGGGCGTCTGCACCCACCTCGGCTGCGTGCCGATCGGCGGCGTG
TCGGGTGACTTCGGGGGCTGGTTCTGCCCCTGCCACGGATCGCACTACGACAGTGCCGGC
CGTATCCGGAAGGGCCCCGCGCCCGAGAACCTGCCGATTCCGCTCGCCAAGTTCATCGAC
GAAACCACCATCCAGCTCGGGTAA
Chromosome Location
Not Available
Locus
Not Available
External Identifiers
ResourceLink
UniProtKB IDQ02761
UniProtKB Entry NameCYB_RHOSH
GenBank Protein ID581533
GenBank Gene IDX56157
General References
  1. Yun CH, Beci R, Crofts AR, Kaplan S, Gennis RB: Cloning and DNA sequencing of the fbc operon encoding the cytochrome bc1 complex from Rhodobacter sphaeroides. Characterization of fbc deletion mutants and complementation by a site-specific mutational variant. Eur J Biochem. 1990 Dec 12;194(2):399-411. [Article]
  2. Yun CH, Van Doren SR, Crofts AR, Gennis RB: The use of gene fusions to examine the membrane topology of the L-subunit of the photosynthetic reaction center and of the cytochrome b subunit of the bc1 complex from Rhodobacter sphaeroides. J Biol Chem. 1991 Jun 15;266(17):10967-73. [Article]

Drug Relations

Drug Relations
DrugBank IDNameDrug groupPharmacological action?ActionsDetails
DB03152B-2-OctylglucosideexperimentalunknownDetails
DB08690Ubiquinone Q2experimentalunknownDetails