8ZP0

Cryo-EM structure of YF23694-bound porcine bc1 complex

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
J	SCOP2B Superfamily	Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8073349	3000787	SCOP2B (2022-06-29)
U [auth j]	SCOP2B Superfamily	Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8073349	3000787	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8068573	3000806	SCOP2B (2022-06-29)
Q [auth f]	SCOP2B Superfamily	Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8068573	3000806	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, L [auth a]	PF00032	Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)	Cytochrome b(C-terminal)/b6/petD	-	Domain
A, L [auth a]	PF00033	Cytochrome b/b6/petB (Cytochrome_B)	Cytochrome b/b6/petB	-	Domain
J, U [auth j]	PF08997	Ubiquinol-cytochrome C reductase complex, 6.4kD protein (UCR_6-4kD)	Ubiquinol-cytochrome C reductase complex, 6.4kD protein	The ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is an essential component of the mitochondrial cellular respiratory chain. This family represents the 6.4kD protein, which may be closely linked to the iron-sulphur protein in the ...	The ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is an essential component of the mitochondrial cellular respiratory chain. This family represents the 6.4kD protein, which may be closely linked to the iron-sulphur protein in the complex and function as an iron-sulphur protein binding factor [1].	Domain
K, V [auth k]	PF09165	Ubiquinol-cytochrome c reductase 8 kDa, N-terminal (Ubiq-Cytc-red_N)	Ubiquinol-cytochrome c reductase 8 kDa, N-terminal	Members of this family adopt a structure consisting of many antiparallel beta sheets, with few alpha helices, in a non-globular arrangement. They are required for proper functioning of the respiratory chain [1].	Domain
B, M [auth b]	PF02167	Cytochrome C1 family (Cytochrom_C1)	Cytochrome C1 family	-	Family
C, N [auth c]	PF02921	Ubiquinol cytochrome reductase transmembrane region (UCR_TM)	Ubiquinol cytochrome reductase transmembrane region	-	Family
C, N [auth c]	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
D, O [auth d]	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
D, O [auth d]	PF00675	Insulinase (Peptidase family M16) (Peptidase_M16)	Insulinase (Peptidase family M16)	-	Family
E, P [auth e]	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
E, P [auth e]	PF00675	Insulinase (Peptidase family M16) (Peptidase_M16)	Insulinase (Peptidase family M16)	-	Family
F, Q [auth f]	PF02320	Ubiquinol-cytochrome C reductase hinge protein (UCR_hinge)	Ubiquinol-cytochrome C reductase hinge protein	-	Family
G, R [auth g]	PF02271	Ubiquinol-cytochrome C reductase complex 14kD subunit (UCR_14kD)	Ubiquinol-cytochrome C reductase complex 14kD subunit	-	Family
H, S [auth h]	PF02939	UcrQ family (UcrQ)	UcrQ family	-	Family
I, T [auth i]	PF05365	Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like (UCR_UQCRX_QCR9)	Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, L [auth a]	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 inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic 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 inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic 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 mitochondrial envelope organelle 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 mitochondrial envelope organelle cytoplasm organelle 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
J, U [auth j]	Cytochrome b-c1 complex subunit 10	-	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 mitochondrial envelope organelle 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 mitochondrial envelope organelle cytoplasm organelle membrane
K, V [auth k]	Cytochrome b-c1 complex subunit Rieske, mitochondrial	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 inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic 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 inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic 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	-	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 mitochondrial envelope organelle 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 mitochondrial envelope organelle cytoplasm organelle membrane
B, M [auth b]	Cytochrome c1, heme protein, mitochondrial	binding organic cyclic compound binding tetrapyrrole binding heme binding electron transfer activity cation binding ion binding metal ion binding small molecule binding	-	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 mitochondrial envelope organelle 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 mitochondrial envelope organelle cytoplasm organelle membrane
C, N [auth c]	Cytochrome b-c1 complex subunit Rieske, mitochondrial	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 inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic 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 inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic 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	-	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 mitochondrial envelope organelle 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 mitochondrial envelope organelle cytoplasm organelle membrane
D, O [auth d]	Cytochrome b-c1 complex subunit 1, mitochondrial	cation binding ion binding binding metal ion binding small molecule binding	-	-
E, P [auth e]	Cytochrome b-c1 complex subunit 2, mitochondrial	cation binding ion binding binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein metalloendopeptidase activity hydrolase activity metallopeptidase activity catalytic activity endopeptidase activity	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle
F, Q [auth f]	Cytochrome b-c1 complex 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 mitochondrial envelope organelle 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 mitochondrial envelope organelle cytoplasm organelle 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
G, R [auth g]	Cytochrome b-c1 complex subunit 7	-	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 mitochondrial envelope organelle 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 mitochondrial envelope organelle cytoplasm organelle 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
H, S [auth h]	Cytochrome b-c1 complex subunit 8	-	developmental process multicellular organismal process head development animal organ development brain development nervous system development cerebellar cortex development multicellular organism development cerebellar Purkinje cell layer development cerebellum development central nervous system development metencephalon development anatomical structure development hindbrain development developmental process multicellular organismal process head development animal organ development brain development nervous system development cerebellar cortex development multicellular organism development cerebellar Purkinje cell layer development cerebellum development central nervous system development metencephalon development anatomical structure development hindbrain development system development midbrain development 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 forebrain development pallium development telencephalon development hippocampus development limbic system development pyramidal neuron development cellular developmental process central nervous system neuron development cell development neurogenesis central nervous system neuron differentiation neuron differentiation cell differentiation forebrain generation of neurons generation of neurons forebrain neuron development neuron development forebrain neuron differentiation pyramidal neuron differentiation pons development hypothalamus development diencephalon development subthalamus development thalamus development	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 mitochondrial envelope organelle 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 mitochondrial envelope organelle cytoplasm organelle 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
I, T [auth i]	Complex III 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 mitochondrial envelope organelle 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 mitochondrial envelope organelle cytoplasm organelle 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, L [auth a]	IPR036150	Cytochrome b/b6, C-terminal domain superfamily	Homologous Superfamily
A, L [auth a]	IPR027387	Cytochrome b/b6-like domain superfamily	Homologous Superfamily
A, L [auth a]	IPR048260	Cytochrome b/b6, C-terminal domain, eukaryotic/bacterial	Domain
A, L [auth a]	IPR016174	Di-haem cytochrome, transmembrane	Homologous Superfamily
A, L [auth a]	IPR005798	Cytochrome b/b6, C-terminal	Domain
A, L [auth a]	IPR048259	Cytochrome b/b6, N-terminal domain, eukaryotic/bacterial	Domain
A, L [auth a]	IPR030689	Cytochrome b	Family
A, L [auth a]	IPR005797	Cytochrome b/b6, N-terminal domain	Domain
J, U [auth j]	IPR029027	Single alpha-helix domain superfamily	Homologous Superfamily
J, U [auth j]	IPR015089	Cytochrome b-c1 complex subunit 10	Family
K, V [auth k]	IPR036922	Rieske [2Fe-2S] iron-sulphur domain superfamily	Homologous Superfamily
K, V [auth k]	IPR014349	Rieske iron-sulphur protein	Family
K, V [auth k]	IPR011070	Globular protein, non-globular alpha/beta subunit	Homologous Superfamily
K, V [auth k]	IPR004192	Cytochrome b-c1 complex subunit Rieske, transmembrane domain	Domain
K, V [auth k]	IPR015248	Ubiquinol-cytochrome c reductase iron-sulphur subunit, N-terminal	Domain
K, V [auth k]	IPR017941	Rieske [2Fe-2S] iron-sulphur domain	Domain
K, V [auth k]	IPR005805	Rieske iron-sulphur protein, C-terminal	Domain
K, V [auth k]	IPR037008	Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily	Homologous Superfamily
K, V [auth k]	IPR006317	Ubiquinol-cytochrome c reductase, iron-sulphur subunit	Domain
B, M [auth b]	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
B, M [auth b]	IPR002326	Cytochrome c1	Family
B, M [auth b]	IPR009056	Cytochrome c-like domain	Domain
B, M [auth b]	IPR021157	Cytochrome c1, transmembrane anchor, C-terminal	Homologous Superfamily
C, N [auth c]	IPR036922	Rieske [2Fe-2S] iron-sulphur domain superfamily	Homologous Superfamily
C, N [auth c]	IPR014349	Rieske iron-sulphur protein	Family
C, N [auth c]	IPR011070	Globular protein, non-globular alpha/beta subunit	Homologous Superfamily
C, N [auth c]	IPR004192	Cytochrome b-c1 complex subunit Rieske, transmembrane domain	Domain
C, N [auth c]	IPR015248	Ubiquinol-cytochrome c reductase iron-sulphur subunit, N-terminal	Domain
C, N [auth c]	IPR017941	Rieske [2Fe-2S] iron-sulphur domain	Domain
C, N [auth c]	IPR005805	Rieske iron-sulphur protein, C-terminal	Domain
C, N [auth c]	IPR037008	Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily	Homologous Superfamily
C, N [auth c]	IPR006317	Ubiquinol-cytochrome c reductase, iron-sulphur subunit	Domain
D, O [auth d]	IPR007863	Peptidase M16, C-terminal	Domain
D, O [auth d]	IPR011765	Peptidase M16, N-terminal	Domain
D, O [auth d]	IPR011249	Metalloenzyme, LuxS/M16 peptidase-like	Homologous Superfamily
D, O [auth d]	IPR050361	Mitochondrial Processing Peptidase/Ubiquinol-cytochrome c Reductase Complex	Family
E, P [auth e]	IPR007863	Peptidase M16, C-terminal	Domain
E, P [auth e]	IPR011765	Peptidase M16, N-terminal	Domain
E, P [auth e]	IPR011249	Metalloenzyme, LuxS/M16 peptidase-like	Homologous Superfamily
E, P [auth e]	IPR050361	Mitochondrial Processing Peptidase/Ubiquinol-cytochrome c Reductase Complex	Family
E, P [auth e]	IPR001431	Peptidase M16, zinc-binding site	Binding Site
F, Q [auth f]	IPR003422	Cytochrome b-c1 complex, subunit 6	Family
F, Q [auth f]	IPR023184	Ubiquinol-cytochrome C reductase hinge domain	Domain
F, Q [auth f]	IPR036811	Ubiquinol-cytochrome C reductase hinge domain superfamily	Homologous Superfamily
G, R [auth g]	IPR003197	Cytochrome b-c1 complex subunit 7	Family
G, R [auth g]	IPR036544	Cytochrome b-c1 complex subunit 7 superfamily	Homologous Superfamily
H, S [auth h]	IPR004205	Cytochrome b-c1 complex subunit 8	Family
H, S [auth h]	IPR036642	Cytochrome b-c1 complex subunit 8 superfamily	Homologous Superfamily
I, T [auth i]	IPR008027	Cytochrome b-c1 complex subunit 9	Family
I, T [auth i]	IPR036656	Cytochrome b-c1 complex subunit 9 superfamily	Homologous Superfamily