Annotations: 8DH6

Cryo-EM structure of Saccharomyces cerevisiae cytochrome c oxidase (Complex IV) extracted in lipid nanodiscs

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F [auth f]	SCOP2B Superfamily	Cytochrome c oxidase subunit E	8095803	3001402	SCOP2B (2022-06-29)
C [auth c]	SCOP2B Superfamily	Cytochrome c oxidase subunit III-like	8095567	3000671	SCOP2B (2022-06-29)
A [auth a]	SCOP2B Superfamily	Cytochrome c oxidase subunit I-like	8095115	3000653	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)
H [auth h]	Peptidase_S29	e8dh6h1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Peptidase_S29	ECOD (v295)
G [auth g]	Peptidase_S29	e8dh6g1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Peptidase_S29	ECOD (v295)
F [auth f]	Peptidase_S29	e8dh6f1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Peptidase_S29	ECOD (v295)
E [auth e]	Peptidase_S29	e8dh6e1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Peptidase_S29	ECOD (v295)
D [auth d]	Peptidase_S29	e8dh6d1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Peptidase_S29	ECOD (v295)
C [auth c]	Peptidase_S29	e8dh6c1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Peptidase_S29	ECOD (v295)
B [auth b]	Peptidase_S29	e8dh6b1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Peptidase_S29	ECOD (v295)
A [auth a]	Peptidase_S29	e8dh6a1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Peptidase_S29	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth b]	1.10.287.90	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (utative)
B [auth b]	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins	CATH (utative)
A [auth a]	1.20.210.10	Mainly Alpha	Up-down Bundle	Cytochrome C Oxidase	Chain A	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I [auth i]	Cytochrome c oxidase subunit 9, mitochondrial	oxidoreductase activity catalytic activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization 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, cytochrome c to oxygen respiratory electron transport chain metabolic 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 catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex oxidoreductase complex
H [auth h]	Cytochrome c oxidase subunit 8, mitochondrial	oxidoreductase activity catalytic activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization 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, cytochrome c to oxygen respiratory electron transport chain metabolic 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 catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex oxidoreductase complex
G [auth g]	Cytochrome c oxidase subunit 7, mitochondrial	oxidoreductase activity catalytic activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization 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, cytochrome c to oxygen respiratory electron transport chain metabolic 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 catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex oxidoreductase complex
F [auth f]	Cytochrome c oxidase subunit 6, mitochondrial	oxidoreductase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization 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, cytochrome c to oxygen respiratory electron transport chain metabolic 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 catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex oxidoreductase complex
E [auth e]	Cytochrome c oxidase subunit 5A, mitochondrial	oxidoreductase activity catalytic activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization 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, cytochrome c to oxygen respiratory electron transport chain metabolic 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 mitochondrial intermembrane space membrane-enclosed lumen intracellular organelle lumen organelle envelope lumen organelle lumen respiratory chain complex protein-containing complex catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex oxidoreductase complex
D [auth d]	Cytochrome c oxidase subunit 4, mitochondrial	oxidoreductase activity catalytic activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization 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, cytochrome c to oxygen respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport maintenance of translational fidelity primary metabolic process translation gene expression macromolecule biosynthetic process protein biosynthetic process biosynthetic process macromolecule metabolic process protein metabolic process respiratory chain complex IV assembly cytochrome complex assembly protein-containing complex organization cellular component organization cellular component biogenesis organelle organization mitochondrial respiratory chain complex IV assembly cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular component organization or biogenesis mitochondrion organization	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 mitochondrial intermembrane space membrane-enclosed lumen intracellular organelle lumen organelle envelope lumen organelle lumen respiratory chain complex protein-containing complex catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex oxidoreductase complex
C [auth c]	Cytochrome c oxidase subunit 3	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity binding quinone binding ubiquinone 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, cytochrome c to oxygen 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 catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex oxidoreductase complex
B [auth b]	Cytochrome c oxidase subunit 2	oxidoreductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity oxidoreductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity cation binding transition metal ion binding copper ion 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, cytochrome c to oxygen 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 catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex oxidoreductase complex
A [auth a]	Cytochrome c oxidase subunit 1	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic 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, cytochrome c to oxygen 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 catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex oxidoreductase complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
I [auth i]	IPR014368	Cytochrome c oxidase, subunit VIIa, fungal	Family
H [auth h]	IPR036636	Cytochrome c oxidase subunit VIIc superfamily	Homologous Superfamily
H [auth h]	IPR004202	Cytochrome c oxidase subunit VIIc	Family
G [auth g]	IPR014367	Cytochrome c oxidase subunit VII, budding yeast	Family
G [auth g]	IPR039297	Cytochrome c oxidase subunit VII	Family
F [auth f]	IPR003204	Cytochrome c oxidase, subunit Va/VI	Family
F [auth f]	IPR036545	Cytochrome c oxidase, subunit Va/VI superfamily	Homologous Superfamily
E [auth e]	IPR004203	Cytochrome c oxidase subunit IV family	Family
E [auth e]	IPR036639	Cytochrome c oxidase subunit IV superfamily	Homologous Superfamily
D [auth d]	IPR002124	Cytochrome c oxidase, subunit Vb	Family
D [auth d]	IPR036972	Cytochrome c oxidase, subunit Vb superfamily	Homologous Superfamily
C [auth c]	IPR035973	Cytochrome c oxidase subunit III-like superfamily	Homologous Superfamily
C [auth c]	IPR000298	Cytochrome c oxidase subunit III-like	Domain
C [auth c]	IPR033945	Cytochrome c oxidase subunit III domain	Domain
C [auth c]	IPR013833	Cytochrome c oxidase, subunit III, 4-helical bundle	Homologous Superfamily
C [auth c]	IPR024791	Cytochrome c oxidase subunit III	Family
B [auth b]	IPR011759	Cytochrome C oxidase subunit II, transmembrane domain	Domain
B [auth b]	IPR036257	Cytochrome C oxidase subunit II, transmembrane domain superfamily	Homologous Superfamily
B [auth b]	IPR034210	Cytochrome c oxidase subunit 2, C-terminal	Domain
B [auth b]	IPR045187	Cytochrome c/quinol oxidase subunit II	Family
B [auth b]	IPR002429	Cytochrome c oxidase subunit II-like C-terminal	Domain
B [auth b]	IPR008972	Cupredoxin	Homologous Superfamily
B [auth b]	IPR001505	Copper centre Cu(A)	Binding Site
B [auth b]	IPR014222	Cytochrome c oxidase, subunit II	Domain
A [auth a]	IPR036927	Cytochrome c oxidase-like, subunit I superfamily	Homologous Superfamily
A [auth a]	IPR000883	Cytochrome c oxidase subunit I	Family
A [auth a]	IPR023615	Cytochrome c oxidase, subunit I, copper-binding site	Binding Site
A [auth a]	IPR023616	Cytochrome c oxidase-like, subunit I domain	Domain
A [auth a]	IPR033944	Cytochrome c oxidase subunit I domain	Domain

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth a], B [auth b], C [auth c], D [auth d], E [auth e] A [auth a], B [auth b], C [auth c], D [auth d], E [auth e], F [auth f], G [auth g], H [auth h], I [auth i]	PDBTM	Annotated as membrane protein by PDBTM