7RJA | pdb_00007rja

Complex III2 from Candida albicans, inhibitor free

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
O [auth R]	SCOP2B Superfamily	Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8104195	3000806	SCOP2B (2022-06-29)
F [auth H]	SCOP2B Superfamily	Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8104195	3000806	SCOP2B (2022-06-29)
N [auth P]	SCOP2B Superfamily	Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8104193	3000770	SCOP2B (2022-06-29)
E [auth F]	SCOP2B Superfamily	Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8104193	3000770	SCOP2B (2022-06-29)
M [auth Q]	SCOP2B Superfamily	14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8104325	3000797	SCOP2B (2022-06-29)
D [auth G]	SCOP2B Superfamily	14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8104325	3000797	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
R [auth L]	Trypsin	e7rjaL1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
I [auth B]	Trypsin	e7rjaB1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
Q [auth M]	Trypsin	e7rjaM2	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
H [auth C]	Trypsin	e7rjaC2	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
P [auth S]	Trypsin	e7rjaS1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
G [auth I]	Trypsin	e7rjaI1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
O [auth R]	Trypsin	e7rjaR1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
F [auth H]	Trypsin	e7rjaH1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
N [auth P]	Trypsin	e7rjaP1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
E [auth F]	Trypsin	e7rjaF1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
M [auth Q]	Trypsin	e7rjaQ1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
D [auth G]	Trypsin	e7rjaG1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
L [auth N]	Trypsin	e7rjaN1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
C [auth D]	Trypsin	e7rjaD1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
K [auth T]	Trypsin	e7rjaT1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
B [auth K]	Trypsin	e7rjaK1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
J	Trypsin	e7rjaJ1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
A	Trypsin	e7rjaA1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
I [auth B], R [auth L]	PF05193	Peptidase M16 inactive domain (Peptidase_M16_C)	Peptidase M16 inactive domain	Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1].	Domain
I [auth B], R [auth L]	PF00675	Insulinase (Peptidase family M16) (Peptidase_M16)	Insulinase (Peptidase family M16)	-	Family
H [auth C], Q [auth M]	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
F [auth H], O [auth R]	PF02320	Ubiquinol-cytochrome C reductase hinge protein (UCR_hinge)	Ubiquinol-cytochrome C reductase hinge protein	The ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is a respiratory multienzyme complex [1]. This Pfam family represents the 'hinge' protein of the complex which is thought to mediate formation of the cytochrome c1 and cytochrome c ...	The ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is a respiratory multienzyme complex [1]. This Pfam family represents the 'hinge' protein of the complex which is thought to mediate formation of the cytochrome c1 and cytochrome c complex.	Domain
E [auth F], N [auth P]	PF02939	UcrQ family (UcrQ)	UcrQ family	-	Family
D [auth G], M [auth Q]	PF02271	Ubiquinol-cytochrome C reductase complex 14kD subunit (UCR_14kD)	Ubiquinol-cytochrome C reductase complex 14kD subunit	-	Family
C [auth D], L [auth N]	PF02167	Cytochrome C1 family (Cytochrom_C1)	Cytochrome C1 family	-	Family
B [auth K], K [auth T]	PF00032	Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)	Cytochrome b(C-terminal)/b6/petD		Domain
B [auth K], K [auth T]	PF00033	Cytochrome b/b6/petB (Cytochrome_B)	Cytochrome b/b6/petB		Domain
A, J	PF05193	Peptidase M16 inactive domain (Peptidase_M16_C)	Peptidase M16 inactive domain	Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1].	Domain
A, J	PF00675	Insulinase (Peptidase family M16) (Peptidase_M16)	Insulinase (Peptidase family M16)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I [auth B], R [auth L]	Cytochrome b-c1 complex subunit 2, mitochondrial	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity cation binding ion binding binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cell periphery plasma membrane membrane mitochondrial membrane organelle inner membrane mitochondrial inner membrane membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cell periphery plasma membrane membrane mitochondrial membrane organelle inner membrane mitochondrial inner membrane organelle envelope mitochondrial envelope mitochondrial crista organelle membrane respiratory chain complex protein-containing complex cytochrome complex catalytic complex transmembrane transporter complex membrane protein complex transporter complex respiratory chain complex III
H [auth C], Q [auth M]	Cytochrome b-c1 complex subunit Rieske, mitochondrial	oxidoreductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity iron-sulfur cluster binding oxidoreductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding cation binding ion binding metal ion binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm organelle membrane respiratory chain complex protein-containing complex cytochrome complex catalytic complex transmembrane transporter complex membrane protein complex transporter complex respiratory chain complex III cell periphery plasma membrane
G [auth I], P [auth S]	Ubiquinol--cytochrome-c reductase subunit 9	-	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm organelle membrane cell periphery plasma membrane respiratory chain complex protein-containing complex cytochrome complex catalytic complex transmembrane transporter complex membrane protein complex transporter complex respiratory chain complex III
F [auth H], O [auth R]	Ubiquinol--cytochrome-c reductase subunit 6	-	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm organelle membrane respiratory chain complex protein-containing complex cytochrome complex catalytic complex transmembrane transporter complex membrane protein complex transporter complex respiratory chain complex III
E [auth F], N [auth P]	Ubiquinol--cytochrome-c reductase subunit 8	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm organelle membrane cell periphery plasma membrane respiratory chain complex protein-containing complex cytochrome complex catalytic complex transmembrane transporter complex membrane protein complex transporter complex respiratory chain complex III
D [auth G], M [auth Q]	Cytochrome b-c1 complex subunit 7	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport cytochrome complex assembly aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport cytochrome complex assembly protein-containing complex organization mitochondrial respiratory chain complex III assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly respiratory chain complex III assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular component organization or biogenesis mitochondrion organization regulation of growth regulation of biological process regulation of filamentous growth growth biological regulation filamentous growth	cell periphery cellular anatomical structure plasma membrane membrane membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion intracellular membrane-bounded organelle side of membrane lumenal side of membrane mitochondrial inner membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane membrane membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion intracellular membrane-bounded organelle side of membrane lumenal side of membrane mitochondrial inner membrane intracellular organelle organelle envelope organelle mitochondrial envelope matrix side of mitochondrial inner membrane cytoplasm organelle membrane respiratory chain complex protein-containing complex cytochrome complex catalytic complex transmembrane transporter complex membrane protein complex transporter complex respiratory chain complex III
C [auth D], L [auth N]	Ubiquinol--cytochrome-c reductase catalytic subunit	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity binding tetrapyrrole binding heme binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity binding tetrapyrrole binding heme binding cation binding ion binding metal ion binding small molecule binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm organelle membrane cell periphery plasma membrane respiratory chain complex protein-containing complex cytochrome complex catalytic complex transmembrane transporter complex membrane protein complex transporter complex respiratory chain complex III
B [auth K], K [auth T]	Cytochrome b	oxidoreductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity cation binding oxidoreductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm organelle membrane respiratory chain complex protein-containing complex cytochrome complex catalytic complex transmembrane transporter complex membrane protein complex transporter complex respiratory chain complex III membraneless organelle intracellular membraneless organelle chromatin chromosome heterochromatin
A, J	Ubiquinol--cytochrome-c reductase subunit	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity peptidase activity catalytic activity, acting on a protein metalloendopeptidase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter 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 transmembrane transporter activity peptidase activity catalytic activity, acting on a protein metalloendopeptidase activity hydrolase activity metallopeptidase activity catalytic activity endopeptidase activity cation binding ion binding binding metal ion binding small molecule binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane respiratory chain complex protein-containing complex cytochrome complex catalytic complex transmembrane transporter complex membrane protein complex transporter complex respiratory chain complex III

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
I [auth B], R [auth L]	IPR007863	Peptidase M16, C-terminal	Domain
I [auth B], R [auth L]	IPR011765	Peptidase M16, N-terminal	Domain
I [auth B], R [auth L]	IPR011249	Metalloenzyme, LuxS/M16 peptidase-like	Homologous Superfamily
I [auth B], R [auth L]	IPR050361	Mitochondrial Processing Peptidase/Ubiquinol-cytochrome c Reductase Complex	Family
H [auth C], Q [auth M]	IPR036922	Rieske [2Fe-2S] iron-sulphur domain superfamily	Homologous Superfamily
H [auth C], Q [auth M]	IPR014349	Rieske iron-sulphur protein	Family
H [auth C], Q [auth M]	IPR004192	Cytochrome b-c1 complex subunit Rieske, transmembrane domain	Domain
H [auth C], Q [auth M]	IPR017941	Rieske [2Fe-2S] iron-sulphur domain	Domain
H [auth C], Q [auth M]	IPR005805	Rieske iron-sulphur protein, C-terminal	Domain
H [auth C], Q [auth M]	IPR037008	Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily	Homologous Superfamily
H [auth C], Q [auth M]	IPR006317	Ubiquinol-cytochrome c reductase, iron-sulphur subunit	Domain
G [auth I], P [auth S]	IPR008027	Cytochrome b-c1 complex subunit 9	Family
G [auth I], P [auth S]	IPR036656	Cytochrome b-c1 complex subunit 9 superfamily	Homologous Superfamily
F [auth H], O [auth R]	IPR003422	Cytochrome b-c1 complex, subunit 6	Family
F [auth H], O [auth R]	IPR023184	Ubiquinol-cytochrome C reductase hinge domain	Domain
F [auth H], O [auth R]	IPR036811	Ubiquinol-cytochrome C reductase hinge domain superfamily	Homologous Superfamily
E [auth F], N [auth P]	IPR004205	Cytochrome b-c1 complex subunit 8	Family
E [auth F], N [auth P]	IPR036642	Cytochrome b-c1 complex subunit 8 superfamily	Homologous Superfamily
D [auth G], M [auth Q]	IPR003197	Cytochrome b-c1 complex subunit 7	Family
D [auth G], M [auth Q]	IPR036544	Cytochrome b-c1 complex subunit 7 superfamily	Homologous Superfamily
C [auth D], L [auth N]	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
C [auth D], L [auth N]	IPR002326	Cytochrome c1	Family
C [auth D], L [auth N]	IPR009056	Cytochrome c-like domain	Domain
C [auth D], L [auth N]	IPR021157	Cytochrome c1, transmembrane anchor, C-terminal	Homologous Superfamily
B [auth K], K [auth T]	IPR036150	Cytochrome b/b6, C-terminal domain superfamily	Homologous Superfamily
B [auth K], K [auth T]	IPR027387	Cytochrome b/b6-like domain superfamily	Homologous Superfamily
B [auth K], K [auth T]	IPR048260	Cytochrome b/b6, C-terminal domain, eukaryotic/bacterial	Domain
B [auth K], K [auth T]	IPR016174	Di-haem cytochrome, transmembrane	Homologous Superfamily
B [auth K], K [auth T]	IPR005798	Cytochrome b/b6, C-terminal	Domain
B [auth K], K [auth T]	IPR048259	Cytochrome b/b6, N-terminal domain, eukaryotic/bacterial	Domain
B [auth K], K [auth T]	IPR030689	Cytochrome b	Family
B [auth K], K [auth T]	IPR005797	Cytochrome b/b6, N-terminal domain	Domain
A, J	IPR007863	Peptidase M16, C-terminal	Domain
A, J	IPR011249	Metalloenzyme, LuxS/M16 peptidase-like	Homologous Superfamily
A, J	IPR050361	Mitochondrial Processing Peptidase/Ubiquinol-cytochrome c Reductase Complex	Family
A, J	IPR011765	Peptidase M16, N-terminal	Domain

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B [auth K], C [auth D], D [auth G], E [auth F] A, B [auth K], C [auth D], D [auth G], E [auth F], F [auth H], G [auth I], H [auth C], I [auth B], J, K [auth T], L [auth N], M [auth Q], N [auth P], O [auth R], P [auth S], Q [auth M], R [auth L]	OPM	Transmembrane	Alpha-helical polytopic	Electron transport chain complex III (bc1 and b6f) superfamily	Cytochrome bc1 and b6f complexes

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B [auth K], C [auth D], D [auth G], E [auth F] A, B [auth K], C [auth D], D [auth G], E [auth F], F [auth H], G [auth I], H [auth C], I [auth B], J, K [auth T], L [auth N], M [auth Q], N [auth P], O [auth R], P [auth S], Q [auth M], R [auth L]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B [auth K], C [auth D], D [auth G], E [auth F] A, B [auth K], C [auth D], D [auth G], E [auth F], F [auth H], G [auth I], H [auth C], I [auth B], J, K [auth T], L [auth N], M [auth Q], N [auth P], O [auth R], P [auth S], Q [auth M], R [auth L]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B [auth K], C [auth D], D [auth G], E [auth F] A, B [auth K], C [auth D], D [auth G], E [auth F], F [auth H], G [auth I], H [auth C], I [auth B], J, K [auth T], L [auth N], M [auth Q], N [auth P], O [auth R], P [auth S], Q [auth M], R [auth L]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Electron Transport Chain Complexes: Complex III (Cytochrome bc₁)	Complex III₂ (Cytochrome bc1 homodimer), inhibitor free