8IOG

Cryo-EM structure of porcine bc1 complex in isolated state

External Resource: Annotation

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

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 cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane
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 cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome 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	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane cell periphery plasma 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	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome 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	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane cell periphery plasma membrane
D, O [auth d]	Cytochrome b-c1 complex subunit 1, mitochondrial	cation binding ion binding binding metal ion binding small molecule binding	-	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle
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	organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity 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 cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane
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 cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane
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 pons development hypothalamus development forebrain development diencephalon development limbic system development aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process 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 pallium development telencephalon development hippocampus 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 subthalamus development thalamus development	membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane
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 cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane

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]	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]	IPR048260	Cytochrome b/b6, C-terminal domain, eukaryotic/bacterial	Domain
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
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]	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

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, F, G A, B, C, F, G, H, I, J, K, L [auth a], M [auth b], N [auth c], Q [auth f], R [auth g], S [auth h], T [auth i], U [auth j], V [auth k]	PDBTM	Annotated as membrane protein by PDBTM

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 R01GM133198.

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8IOG

Cryo-EM structure of porcine bc1 complex in isolated state

External Resource: Annotation

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Membrane Protein Annotation: PDBTM PDBTM Database Homepage