Structure of PDB 1kb9 Chain C

Receptor sequence
>1kb9C (length=385) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence]
MAFRKSNVYLSLVNSYIIDSPQPSSINYWWNMGSLLGLCLVIQIVTGIFM
AMHYSSNIELAFSSVEHIMRDVHNGYILRYLHANGASFFFMVMFMHMAKG
LYYGSYRSPRVTLWNVGVIIFTLTIATAFLGYCCVYGQMSHWGATVITNL
FSAIPFVGNDIVSWLWGGFSVSNPTIQRFFALHYLVPFIIAAMVIMHLMA
LHIHGSSNPLGITGNLDRIPMHSYFIFKDLVTVFLFMLILALFVFYSPNT
LGHPDNYIPGNPLVTPASIVPEWYLLPFYAILRSIPDKLLGVITMFAAIL
VLLVLPFTDRSVVRGNTFKVLSKFFFFIFVFNFVLLGQIGACHVEVPYVL
MGQIATFIYFAYFLIIVPVISTIENVLFYIGRVNK
3D structure
PDB1kb9 SPECIFIC ROLES OF PROTEIN-PHOSPHOLIPID INTERACTIONS IN THE YEAST CYTOCHROME BC1 COMPLEX STRUCTURE
ChainC
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H202 S206 K228 D229 E272
Catalytic site (residue number reindexed from 1) H202 S206 K228 D229 E272
Enzyme Commision number 7.1.1.8: quinol--cytochrome-c reductase.
Interaction with ligand
Gene Ontology
Molecular Function
GO:0008121 ubiquinol-cytochrome-c reductase activity
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
Biological Process
GO:0006122 mitochondrial electron transport, ubiquinol to cytochrome c
GO:0009060 aerobic respiration
GO:0022904 respiratory electron transport chain
GO:0045333 cellular respiration
GO:1902600 proton transmembrane transport
Cellular Component
GO:0005739 mitochondrion
GO:0005743 mitochondrial inner membrane
GO:0016020 membrane
GO:0045275 respiratory chain complex III

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1kb9, PDBe:1kb9, PDBj:1kb9
PDBsum1kb9
PubMed11726495
UniProtP00163|CYB_YEAST Cytochrome b (Gene Name=COB)

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