9HWK | pdb_00009hwk

Structure of the Cytochrome o ubiquinol oxidase embedded in the nanodisc

External Resource: Annotation

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth F]	PF00115	Cytochrome C and Quinol oxidase polypeptide I (COX1)	Cytochrome C and Quinol oxidase polypeptide I	-	Family
B [auth G]	PF00116	Cytochrome C oxidase subunit II, periplasmic domain (COX2)	Cytochrome C oxidase subunit II, periplasmic domain		Domain
B [auth G]	PF06481	COX Aromatic Rich Motif (COX_ARM)	COX Aromatic Rich Motif	-	Motif
D [auth I]	PF03626	Prokaryotic Cytochrome C oxidase subunit IV (COX4_pro)	Prokaryotic Cytochrome C oxidase subunit IV	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth F]	Cytochrome bo(3) ubiquinol 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 oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity binding tetrapyrrole binding heme binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity binding tetrapyrrole binding heme binding oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor oxidoreductase activity oxidoreductase activity, acting on diphenols and related substances as donors catalytic activity cytochrome bo3 ubiquinol oxidase activity oxidoreductase activity, acting on a heme group of donors cation binding ion binding metal ion binding small molecule binding	electron transport coupled proton transport transport proton transmembrane transport monoatomic ion transmembrane transport establishment of localization monoatomic cation transmembrane transport transmembrane transport localization energy coupled proton transmembrane transport, against electrochemical gradient monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration electron transport coupled proton transport transport proton transmembrane transport monoatomic ion transmembrane transport establishment of localization monoatomic cation transmembrane transport transmembrane transport localization energy coupled proton transmembrane transport, against electrochemical gradient monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration energy derivation by oxidation of organic compounds metabolic process generation of precursor metabolites and energy respiratory electron transport chain electron transport chain	cell periphery cellular anatomical structure plasma membrane membrane
B [auth G]	Cytochrome bo(3) ubiquinol 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 oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity cation binding transition metal ion binding copper ion binding 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 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 oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor oxidoreductase activity oxidoreductase activity, acting on diphenols and related substances as donors catalytic activity cytochrome bo3 ubiquinol oxidase activity oxidoreductase activity, acting on a heme group of donors	aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds respiratory electron transport chain ATP synthesis coupled electron transport electron transport chain metabolic process cellular process generation of precursor metabolites and energy	cell periphery cellular anatomical structure plasma membrane membrane
C [auth H]	Cytochrome bo(3) ubiquinol 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 oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity oxidoreductase activity cytochrome bo3 ubiquinol oxidase activity oxidoreductase activity, acting on a heme group of donors 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 monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity oxidoreductase activity cytochrome bo3 ubiquinol oxidase activity oxidoreductase activity, acting on a heme group of donors catalytic activity	aerobic electron transport chain aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy	cell periphery cellular anatomical structure plasma membrane membrane
D [auth I]	Cytochrome bo(3) ubiquinol oxidase subunit 4	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity electron transfer activity oxidoreductase activity cytochrome bo3 ubiquinol oxidase activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors catalytic activity	aerobic electron transport chain aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy electron transport coupled proton transport transport proton transmembrane transport monoatomic ion transmembrane transport aerobic electron transport chain aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy electron transport coupled proton transport transport proton transmembrane transport monoatomic ion transmembrane transport establishment of localization monoatomic cation transmembrane transport transmembrane transport localization energy coupled proton transmembrane transport, against electrochemical gradient monoatomic ion transport monoatomic cation transport	respiratory chain complex protein-containing complex catalytic complex cytochrome complex membrane membrane protein complex transporter complex cellular anatomical structure transmembrane transporter complex cytochrome o ubiquinol oxidase complex oxidoreductase complex cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth F]	IPR036927	Cytochrome c oxidase-like, subunit I superfamily	Homologous Superfamily
A [auth F]	IPR000883	Cytochrome c oxidase subunit I	Family
A [auth F]	IPR023615	Cytochrome c oxidase, subunit I, copper-binding site	Binding Site
A [auth F]	IPR023616	Cytochrome c oxidase-like, subunit I domain	Domain
A [auth F]	IPR014207	Cytochrome o ubiquinol oxidase, subunit I	Family
B [auth G]	IPR006333	Cytochrome o ubiquinol oxidase subunit II	Family
B [auth G]	IPR011759	Cytochrome C oxidase subunit II, transmembrane domain	Domain
B [auth G]	IPR036257	Cytochrome C oxidase subunit II, transmembrane domain superfamily	Homologous Superfamily
B [auth G]	IPR045187	Cytochrome c/quinol oxidase subunit II	Family
B [auth G]	IPR034227	Ubiquinol oxidase subunit 2, cupredoxin domain	Domain
B [auth G]	IPR002429	Cytochrome c oxidase subunit II-like C-terminal	Domain
B [auth G]	IPR008972	Cupredoxin	Homologous Superfamily
B [auth G]	IPR010514	COX aromatic rich motif	Domain
C [auth H]	IPR035973	Cytochrome c oxidase subunit III-like superfamily	Homologous Superfamily
C [auth H]	IPR013833	Cytochrome c oxidase, subunit III, 4-helical bundle	Homologous Superfamily
C [auth H]	IPR000298	Cytochrome c oxidase subunit III-like	Domain
C [auth H]	IPR014206	Cytochrome o ubiquinol oxidase, subunit III	Family
C [auth H]	IPR024791	Cytochrome c oxidase subunit III	Family
C [auth H]	IPR033946	Ubiquinol oxidase subunit III domain	Domain
D [auth I]	IPR014210	Cytochrome o ubiquinol oxidase subunit IV	Family
D [auth I]	IPR050968	Cytochrome c oxidase bacterial subunit 4	Family
D [auth I]	IPR005171	Cytochrome C oxidase subunit IV, prokaryotes	Family