Annotations: 29YE

Cryo-EM structure of +2Ala insertion mutant of Rhodobacter capsulatus cytochrome bc1 dimer at 2.41 A with quinone in quinone oxidation and reduction sites

External Resource: Annotation

Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C, F	PF02167	Cytochrome C1 family (Cytochrom_C1)	Cytochrome C1 family	-	Family
B, E	PF00032	Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)	Cytochrome b(C-terminal)/b6/petD		Domain
B, E	PF00033	Cytochrome b/b6/petB (Cytochrome_B)	Cytochrome b/b6/petB		Domain
A, D	PF00355	Rieske [2Fe-2S] domain (Rieske)	Rieske [2Fe-2S] domain	The rieske domain has a [2Fe-2S] centre. Two conserved cysteines coordinate one Fe ion, while the other Fe ion is coordinated by two conserved histidines. In hyperthermophilic archaea there is a SKTPCX(2-3)C motif at the C-terminus. The cysteines in ...	The rieske domain has a [2Fe-2S] centre. Two conserved cysteines coordinate one Fe ion, while the other Fe ion is coordinated by two conserved histidines. In hyperthermophilic archaea there is a SKTPCX(2-3)C motif at the C-terminus. The cysteines in this motif form a disulphide bridge, which stabilises the protein [4].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, F	Cytochrome c1	binding tetrapyrrole binding heme binding electron transfer activity	-	cell periphery cellular anatomical structure plasma membrane membrane
B, E	Cytochrome b	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity quinol-cytochrome-c reductase activity monoatomic ion transmembrane transporter activity transporter activity catalytic activity transmembrane transporter activity	cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy	cell periphery cellular anatomical structure plasma membrane membrane respiratory chain complex protein-containing complex catalytic complex cytochrome complex membrane protein complex transporter complex respiratory chain complex III transmembrane transporter complex oxidoreductase complex
A, D	Ubiquinol-cytochrome c reductase iron-sulfur subunit	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity quinol-cytochrome-c reductase activity monoatomic ion transmembrane transporter activity transporter activity catalytic activity transmembrane transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity quinol-cytochrome-c reductase activity monoatomic ion transmembrane transporter activity transporter activity catalytic activity transmembrane transporter activity iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding	-	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, F	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
C, F	IPR002326	Cytochrome c1	Family
C, F	IPR009056	Cytochrome c-like domain	Domain
B, E	IPR036150	Cytochrome b/b6, C-terminal domain superfamily	Homologous Superfamily
B, E	IPR027387	Cytochrome b/b6-like domain superfamily	Homologous Superfamily
B, E	IPR016174	Di-haem cytochrome, transmembrane	Homologous Superfamily
B, E	IPR005798	Cytochrome b/b6, C-terminal	Domain
B, E	IPR048259	Cytochrome b/b6, N-terminal domain, eukaryotic/bacterial	Domain
B, E	IPR030689	Cytochrome b	Family
B, E	IPR048260	Cytochrome b/b6, C-terminal domain, eukaryotic/bacterial	Domain
B, E	IPR005797	Cytochrome b/b6, N-terminal domain	Domain
A, D	IPR017941	Rieske [2Fe-2S] iron-sulphur domain	Domain
A, D	IPR005805	Rieske iron-sulphur protein, C-terminal	Domain
A, D	IPR036922	Rieske [2Fe-2S] iron-sulphur domain superfamily	Homologous Superfamily
A, D	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
A, D	IPR014349	Rieske iron-sulphur protein	Family
A, D	IPR019470	Ubiquitinol-cytochrome C reductase, Fe-S subunit, TAT signal	Domain
A, D	IPR006317	Ubiquinol-cytochrome c reductase, iron-sulphur subunit	Domain
A, D	IPR019546	Twin-arginine translocation pathway, signal sequence, bacterial/archaeal	Conserved Site

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

29YE | pdb_000029ye

Cryo-EM structure of +2Ala insertion mutant of Rhodobacter capsulatus cytochrome bc1 dimer at 2.41 A with quinone in quinone oxidation and reduction sites

External Resource: Annotation

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage