Annotations: 6YMY

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth a]	SCOP2B Superfamily	Cytochrome c oxidase subunit I-like	8095115	3000653	SCOP2B (2021-05-27)
J [auth j]	SCOP2B Superfamily	Cytochrome c oxidase subunit h	8095569	3000395	SCOP2B (2021-05-27)
C [auth c]	SCOP2B Superfamily	Cytochrome c oxidase subunit III-like	8095567	3000671	SCOP2B (2021-05-27)
F [auth f]	SCOP2B Superfamily	Cytochrome c oxidase subunit E	8095803	3001402	SCOP2B (2021-05-27)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth a]	PF00115	e6ymya1	A: alpha superhelices	X: Cytochrome c oxidase subunit I-like	H: Cytochrome c oxidase subunit I-like (From Topology)	T: Cytochrome c oxidase subunit I-like	F: PF00115	ECOD (1.6)
J [auth j]	PF02297	e6ymyj1	A: few secondary structure elements	X: Cytochrome c oxidase subunit h (From Topology)	H: Cytochrome c oxidase subunit h (From Topology)	T: Cytochrome c oxidase subunit h	F: PF02297	ECOD (1.6)
K [auth k]	PF02046	e6ymyk1	A: extended segments	X: Mitochondrial cytochrome c oxidase subunit VIa (From Topology)	H: Mitochondrial cytochrome c oxidase subunit VIa (From Topology)	T: Mitochondrial cytochrome c oxidase subunit VIa	F: PF02046	ECOD (1.6)
B [auth b]	PF00116	e6ymyb2	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: PF00116	ECOD (1.6)
B [auth b]	PF02790	e6ymyb1	A: extended segments	X: Cytochrome c oxidase subunit II-like, transmembrane region (From Topology)	H: Cytochrome c oxidase subunit II-like, transmembrane region (From Topology)	T: Cytochrome c oxidase subunit II-like, transmembrane region	F: PF02790	ECOD (1.6)
C [auth c]	PF00510	e6ymyc1	A: alpha bundles	X: Cytochrome c oxidase subunit III-like (From Topology)	H: Cytochrome c oxidase subunit III-like (From Topology)	T: Cytochrome c oxidase subunit III-like	F: PF00510	ECOD (1.6)
D [auth d]	PF01215	e6ymyd1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Cytochrome c oxidase Subunit F	F: PF01215	ECOD (1.6)
E [auth e]	PF02936	e6ymye1	A: extended segments	X: Mitochondrial cytochrome c oxidase subunit IV (From Topology)	H: Mitochondrial cytochrome c oxidase subunit IV (From Topology)	T: Mitochondrial cytochrome c oxidase subunit IV	F: PF02936	ECOD (1.6)
F [auth f]	PF02284	e6ymyf1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Cytochrome c oxidase subunit E (From Topology)	T: Cytochrome c oxidase subunit E	F: PF02284	ECOD (1.6)
G [auth g]	PF02238	e6ymyg1	A: extended segments	X: Mitochondrial cytochrome c oxidase subunit VIIa (From Topology)	H: Mitochondrial cytochrome c oxidase subunit VIIa (From Topology)	T: Mitochondrial cytochrome c oxidase subunit VIIa	F: PF02238	ECOD (1.6)
H [auth h]	PF02935	e6ymyh1	A: extended segments	X: Mitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa) (From Topology)	H: Mitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa) (From Topology)	T: Mitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa)	F: PF02935	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
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 inorganic molecular entity transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter 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 inorganic molecular entity transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity binding organic cyclic compound 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 cellular metabolic process 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 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, cytochrome c to oxygen respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport electron transport coupled proton transport transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization energy coupled proton transmembrane transport, against electrochemical gradient monoatomic ion transport monoatomic cation transport	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane membrane organelle envelope mitochondrial envelope organelle membrane respiratory chain complex membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane membrane organelle envelope mitochondrial envelope organelle membrane respiratory chain complex protein-containing complex organelle inner membrane cytochrome complex mitochondrial respirasome membrane protein complex transporter complex oxidoreductase complex mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex respirasome
J [auth j]	Cytochrome c oxidase subunit 12, mitochondrial	oxidoreductase activity catalytic activity	transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport 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, cytochrome c to oxygen respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport respiratory chain complex IV assembly cytochrome complex assembly protein-containing complex organization mitochondrial cytochrome c oxidase assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular component organization or biogenesis mitochondrion organization	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane protein complex transporter complex organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope respirasome organelle membrane mitochondrial intermembrane space membrane-enclosed lumen intracellular organelle lumen organelle envelope lumen organelle lumen
K [auth k]	Cytochrome c oxidase subunit 13, mitochondrial	oxidoreductase activity catalytic activity enzyme regulator activity molecular function regulator activity	transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport 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, cytochrome c to oxygen respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respirasome assembly protein-containing complex organization protein-containing complex assembly cellular component organization or biogenesis mitochondrion organization	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane protein complex transporter complex organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope respirasome organelle membrane
L [auth m]	Cytochrome c oxidase subunit 26, mitochondrial	-	-	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity 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 mitochondrial respirasome membrane protein complex transporter complex oxidoreductase complex mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex transmembrane transporter complex respirasome
B [auth b]	Cytochrome c oxidase subunit 2	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 inorganic molecular entity transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter 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 inorganic molecular entity transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic 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 cellular metabolic process 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 intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity 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 mitochondrial respirasome membrane protein complex transporter complex oxidoreductase complex mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex transmembrane transporter complex respirasome
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 inorganic molecular entity transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter 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 inorganic molecular entity transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity	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, cytochrome c to oxygen respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane protein complex transporter complex organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope respirasome organelle membrane
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	transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport 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, cytochrome c to oxygen respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport respiratory chain complex IV assembly cytochrome complex assembly protein-containing complex organization mitochondrial cytochrome c oxidase assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular component organization or biogenesis mitochondrion organization	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity 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 mitochondrial respirasome membrane protein complex transporter complex oxidoreductase complex mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex transmembrane transporter complex respirasome mitochondrial intermembrane space membrane-enclosed lumen intracellular organelle lumen organelle envelope lumen organelle lumen
E [auth e]	Cytochrome c oxidase subunit 5A, mitochondrial	oxidoreductase activity catalytic activity	transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport 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, cytochrome c to oxygen respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity 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 mitochondrial respirasome membrane protein complex transporter complex oxidoreductase complex mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex transmembrane transporter complex respirasome mitochondrial intermembrane space membrane-enclosed lumen intracellular organelle lumen organelle envelope lumen organelle lumen
F [auth f]	Cytochrome c oxidase subunit 6, mitochondrial	oxidoreductase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport 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, cytochrome c to oxygen respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane protein complex transporter complex organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope respirasome organelle membrane
G [auth g]	Cytochrome c oxidase subunit 7, mitochondrial	oxidoreductase activity catalytic activity	transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport 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, cytochrome c to oxygen respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane protein complex transporter complex organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope respirasome organelle membrane
H [auth h]	Cytochrome c oxidase subunit 8, mitochondrial	oxidoreductase activity catalytic activity	transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport 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, cytochrome c to oxygen respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane protein complex transporter complex organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope respirasome organelle membrane
I [auth i]	Cytochrome c oxidase subunit 9, mitochondrial	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 inorganic molecular entity transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter 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 inorganic molecular entity transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity	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, cytochrome c to oxygen respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane organelle inner membrane cytochrome complex mitochondrial respirasome membrane protein complex transporter complex organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope respirasome organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
J [auth j]	IPR036549	Cytochrome c oxidase subunit 6B/Cytochrome c oxidase assembly factor 6-like superfamily	Homologous Superfamily
J [auth j]	IPR048280	Cytochrome oxidase c subunit VIb-like	Family
J [auth j]	IPR003213	Cytochrome c oxidase, subunit VIb	Family
K [auth k]	IPR018507	Cytochrome c oxidase, subunit VIa, conserved site	Conserved Site
K [auth k]	IPR036418	Cytochrome c oxidase, subunit VIa superfamily	Homologous Superfamily
K [auth k]	IPR001349	Cytochrome c oxidase, subunit VIa	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
C [auth c]	IPR035973	Cytochrome c oxidase subunit III-like superfamily	Homologous Superfamily
C [auth c]	IPR013833	Cytochrome c oxidase, subunit III, 4-helical bundle	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]	IPR024791	Cytochrome c oxidase subunit III	Family
D [auth d]	IPR002124	Cytochrome c oxidase, subunit Vb	Family
D [auth d]	IPR036972	Cytochrome c oxidase, subunit Vb 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
F [auth f]	IPR003204	Cytochrome c oxidase, subunit Va/VI	Family
F [auth f]	IPR036545	Cytochrome c oxidase, subunit Va/VI superfamily	Homologous Superfamily
G [auth g]	IPR014367	Cytochrome c oxidase subunit VII, budding yeast	Family
G [auth g]	IPR039297	Cytochrome c oxidase subunit VII	Family
H [auth h]	IPR036636	Cytochrome c oxidase subunit VIIc superfamily	Homologous Superfamily
H [auth h]	IPR004202	Cytochrome c oxidase subunit VIIc	Family
I [auth i]	IPR014368	Cytochrome c oxidase, subunit VIIa, fungal	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
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], J [auth j], K [auth k], L [auth m]	OPM	Transmembrane	Alpha-helical polytopic	Electron transport chain complex IV (cytochrome c oxidase)	Cytochrome c oxidases

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], J [auth j], K [auth k], L [auth m]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD 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], J [auth j], K [auth k], L [auth m]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
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], J [auth j], K [auth k], L [auth m]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Electron Transport Chain Supercomplexes (Respirasome)	CIII₂/CIV respiratory supercomplex