Annotations: 8HUA

Serial synchrotron crystallography structure of ba3-type cytochrome c oxidase from Thermus thermophilus using a goniometer compatible flow-cell

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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)
C	SCOP2B Superfamily	Bacterial ba3 type cytochrome c oxidase subunit IIa	8033799	3000717	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cupredoxins	8040581	3000886	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cytochrome c oxidase subunit II-like, transmembrane region	8033798	3000692	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cytochrome c oxidase subunit I-like	8033796	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)
C	Kelch_1+Kelch_KLHDC2_KLHL20_DRC7	e8huaC1	A: beta barrels	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Kelch_1+Kelch_KLHDC2_KLHL20_DRC7	ECOD (v294.2)
B	Kelch_1+Kelch_KLHDC2_KLHL20_DRC7	e8huaB1	A: beta barrels	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Kelch_1+Kelch_KLHDC2_KLHL20_DRC7	ECOD (v294.2)
A	Kelch_1+Kelch_KLHDC2_KLHL20_DRC7	e8huaA1	A: beta barrels	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Kelch_1+Kelch_KLHDC2_KLHL20_DRC7	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.210.10	Mainly Alpha	Up-down Bundle	Cytochrome C Oxidase	Chain A	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00116	Cytochrome C oxidase subunit II, periplasmic domain (COX2)	Cytochrome C oxidase subunit II, periplasmic domain		Domain
B	PF09125	Cytochrome C oxidase subunit II, transmembrane (COX2-transmemb)	Cytochrome C oxidase subunit II, transmembrane	Members of this family adopt a tertiary structure consisting of two antiparallel transmembrane helices, in a transmembrane helix hairpin fold [1].	Domain
A	PF00115	Cytochrome C and Quinol oxidase polypeptide I (COX1)	Cytochrome C and Quinol oxidase polypeptide I	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	Cytochrome c oxidase polypeptide 2A	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	-	cell periphery cellular anatomical structure plasma membrane membrane
B	Cytochrome c oxidase subunit 2	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule 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 cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule 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	-	cell periphery cellular anatomical structure plasma membrane membrane
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 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 cation binding ion binding metal ion binding small molecule binding	aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds metabolic process cellular process generation of precursor metabolites and energy	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR012538	Cytochrome c oxidase polypeptide 2A	Family
C	IPR036246	Cytochrome c oxidase polypeptide 2A, ba3 type	Homologous Superfamily
B	IPR015209	Cytochrome C oxidase subunit IIa, transmembrane domain	Domain
B	IPR002429	Cytochrome c oxidase subunit II-like C-terminal	Domain
B	IPR036257	Cytochrome C oxidase subunit II, transmembrane domain superfamily	Homologous Superfamily
B	IPR008972	Cupredoxin	Homologous Superfamily
B	IPR001505	Copper centre Cu(A)	Binding Site
B	IPR034214	Ba3-like heme-copper oxidase subunit II, C-terminal	Domain
B	IPR051403	NosZ/Cytochrome c oxidase subunit 2	Family
A	IPR036927	Cytochrome c oxidase-like, subunit I superfamily	Homologous Superfamily
A	IPR000883	Cytochrome c oxidase subunit I	Family
A	IPR023615	Cytochrome c oxidase, subunit I, copper-binding site	Binding Site
A	IPR023616	Cytochrome c oxidase-like, subunit I domain	Domain
A	IPR033943	Ba3-like heme-copper oxidase subunit I	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C	PDBTM	Annotated as membrane protein by PDBTM

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.