Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ACOX1e8c8qA1 A: alpha superhelicesX: Cytochrome c oxidase subunit I-likeH: Cytochrome c oxidase subunit I-like (From Topology)T: Cytochrome c oxidase subunit I-likeF: COX1ECOD (1.6)
BCOX2e8c8qB1 A: beta sandwichesX: Cupredoxin-likeH: Cupredoxin-related (From Topology)T: Cupredoxin-relatedF: COX2ECOD (1.6)
BCOX2_TMe8c8qB2 A: extended segmentsX: 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 regionF: COX2_TMECOD (1.6)
CCOX3e8c8qC1 A: alpha bundlesX: Cytochrome c oxidase subunit III-like (From Topology)H: Cytochrome c oxidase subunit III-like (From Topology)T: Cytochrome c oxidase subunit III-likeF: COX3ECOD (1.6)
DCOX5Be8c8qD1 A: few secondary structure elementsX: Rubredoxin-likeH: Rubredoxin-relatedT: Cytochrome c oxidase Subunit FF: COX5BECOD (1.6)
ECOX4e8c8qE1 A: extended segmentsX: Mitochondrial cytochrome c oxidase subunit IV (From Topology)H: Mitochondrial cytochrome c oxidase subunit IV (From Topology)T: Mitochondrial cytochrome c oxidase subunit IVF: COX4ECOD (1.6)
FCOX5Ae8c8qF1 A: alpha superhelicesX: Repetitive alpha hairpinsH: Cytochrome c oxidase subunit E (From Topology)T: Cytochrome c oxidase subunit EF: COX5AECOD (1.6)
GF_UNCLASSIFIEDe8c8qG1 A: extended segmentsX: Mitochondrial cytochrome c oxidase subunit VIIa (From Topology)H: Mitochondrial cytochrome c oxidase subunit VIIa (From Topology)T: Mitochondrial cytochrome c oxidase subunit VIIaF: F_UNCLASSIFIEDECOD (1.6)
HF_UNCLASSIFIEDe8c8qH1 A: extended segmentsX: 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: F_UNCLASSIFIEDECOD (1.6)
JCOX6Be8c8qJ1 A: few secondary structure elementsX: Cytochrome c oxidase subunit h (From Topology)H: Cytochrome c oxidase subunit h (From Topology)T: Cytochrome c oxidase subunit hF: COX6BECOD (1.6)
KCOX6Ae8c8qK1 A: extended segmentsX: Mitochondrial cytochrome c oxidase subunit VIa (From Topology)H: Mitochondrial cytochrome c oxidase subunit VIa (From Topology)T: Mitochondrial cytochrome c oxidase subunit VIaF: COX6AECOD (1.6)
LF_UNCLASSIFIEDe8c8qL1 A: extended segmentsX: HIG1 domain family member 1A (From Topology)H: HIG1 domain family member 1A (From Topology)T: HIG1 domain family member 1AF: F_UNCLASSIFIEDECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00115Cytochrome C and Quinol oxidase polypeptide I (COX1)Cytochrome C and Quinol oxidase polypeptide I- Family
PF00116Cytochrome C oxidase subunit II, periplasmic domain (COX2)Cytochrome C oxidase subunit II, periplasmic domain- Domain
PF02790Cytochrome C oxidase subunit II, transmembrane domain (COX2_TM)Cytochrome C oxidase subunit II, transmembrane domain- Family
PF00510Cytochrome c oxidase subunit III (COX3)Cytochrome c oxidase subunit III- Family
PF02936Cytochrome c oxidase subunit IV (COX4)Cytochrome c oxidase subunit IV- Family
PF02284Cytochrome c oxidase subunit Va (COX5A)Cytochrome c oxidase subunit VaCytochrome c oxidase, a 13 sub-unit complex, EC:1.9.3.1 is the terminal oxidase in the mitochondrial electron transport chain. This family is composed of cytochrome c oxidase subunit Va.Domain
PF02238Cytochrome c oxidase subunit VII (COX7a)Cytochrome c oxidase subunit VII- Family
PF02297Cytochrome oxidase c subunit VIb (COX6B)Cytochrome oxidase c subunit VIbCytochrome c oxidase, a 13 sub-unit complex, EC:1.9.3.1 is the terminal oxidase in the mitochondrial electron transport chain. This family is composed of the potentially heme-binding subunit IVb of the oxidase.Domain
PF04588Hypoxia induced protein conserved region (HIG_1_N)Hypoxia induced protein conserved region- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Cytochrome c oxidase subunit 1 -
Cytochrome c oxidase subunit 2
Cytochrome c oxidase subunit 3 -
Cytochrome c oxidase subunit 4, mitochondrial
Cytochrome c oxidase polypeptide 5, mitochondrial
Cytochrome c oxidase subunit 6, mitochondrial
Cytochrome c oxidase subunit 7 -
Cytochrome c oxidase polypeptide VIII, mitochondrial
Cytochrome c oxidase subunit 9, mitochondrial
Cytochrome c oxidase subunit 12, mitochondrial- -
Cytochrome c oxidase subunit 13, mitochondrial
Respiratory supercomplex factor 2 homolog C1565.01-
Unknown polypeptide---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR036927Cytochrome c oxidase-like, subunit I superfamilyHomologous Superfamily
IPR000883Cytochrome c oxidase subunit IFamily
IPR023615Cytochrome c oxidase, subunit I, copper-binding siteBinding Site
IPR023616Cytochrome c oxidase-like, subunit I domainDomain
IPR033944Cytochrome c oxidase subunit I domainDomain
IPR011759Cytochrome C oxidase subunit II, transmembrane domainDomain
IPR036257Cytochrome C oxidase subunit II, transmembrane domain superfamilyHomologous Superfamily
IPR034210Cytochrome c oxidase subunit 2, C-terminalDomain
IPR045187Cytochrome c/quinol oxidase subunit IIFamily
IPR002429Cytochrome c oxidase subunit II-like C-terminalDomain
IPR008972CupredoxinHomologous Superfamily
IPR001505Copper centre Cu(A)Binding Site
IPR014222Cytochrome c oxidase, subunit IIDomain
IPR035973Cytochrome c oxidase subunit III-like superfamilyHomologous Superfamily
IPR013833Cytochrome c oxidase, subunit III, 4-helical bundleHomologous Superfamily
IPR000298Cytochrome c oxidase subunit III-likeDomain
IPR033945Cytochrome c oxidase subunit III domainDomain
IPR024791Cytochrome c oxidase subunit IIIFamily
IPR002124Cytochrome c oxidase, subunit VbFamily
IPR036972Cytochrome c oxidase, subunit Vb superfamilyHomologous Superfamily
IPR004203Cytochrome c oxidase subunit IV familyFamily
IPR036639Cytochrome c oxidase subunit IV superfamilyHomologous Superfamily
IPR003204Cytochrome c oxidase, subunit Va/VIFamily
IPR036545Cytochrome c oxidase, subunit Va/VI superfamilyHomologous Superfamily
IPR039296Predicted_CoxVIIUnknown
IPR039297Cytochrome c oxidase subunit VIIFamily
IPR036636Cytochrome c oxidase subunit VIIc superfamilyHomologous Superfamily
IPR004202Cytochrome c oxidase subunit VIIcFamily
IPR014368Cytochrome c oxidase, subunit VIIa, fungalFamily
IPR036549Cytochrome c oxidase subunit 6B/Cytochrome c oxidase assembly factor 6-like superfamilyHomologous Superfamily
IPR048280Cytochrome oxidase c subunit VIb-likeFamily
IPR003213Cytochrome c oxidase, subunit VIbFamily
IPR018507Cytochrome c oxidase, subunit VIa, conserved siteConserved Site
IPR036418Cytochrome c oxidase, subunit VIa superfamilyHomologous Superfamily
IPR001349Cytochrome c oxidase, subunit VIaFamily
IPR007667Hypoxia induced protein, domainDomain
IPR040153Respiratory supercomplex factor 2, mitochondrialFamily

Membrane Protein Annotation: OPM OPM Database Homepage

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

ChainsExternal LinkComment
A, B, C, D, E
PDBTMAnnotated as membrane protein by PDBTM