Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
CSCOP2 FamilyCytochrome c oxidase subunit III-like 8094416 4002000 SCOP2 (2022-06-29)
CSCOP2 SuperfamilyCytochrome c oxidase subunit III-like 8094417 3000671 SCOP2 (2022-06-29)
DSCOP2 FamilyMitochondrial cytochrome c oxidase subunit IV 8093929 4001940 SCOP2 (2022-06-29)
DSCOP2 SuperfamilyMitochondrial cytochrome c oxidase subunit IV 8093930 3000582 SCOP2 (2022-06-29)
GSCOP2 FamilyMitochondrial cytochrome c oxidase subunit VIa 8094055 4001944 SCOP2 (2022-06-29)
GSCOP2 SuperfamilyMitochondrial cytochrome c oxidase subunit VIa 8094056 3000592 SCOP2 (2022-06-29)
KSCOP2 FamilyMitochondrial cytochrome c oxidase subunit VIIb 8094462 4001959 SCOP2 (2022-06-29)
KSCOP2 SuperfamilyMitochondrial cytochrome c oxidase subunit VIIb 8094463 3000613 SCOP2 (2022-06-29)
LSCOP2 FamilyMitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa) 8094534 4001966 SCOP2 (2022-06-29)
LSCOP2 SuperfamilyMitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa) 8094535 3000624 SCOP2 (2022-06-29)
MSCOP2 FamilyMitochondrial cytochrome c oxidase subunit VIIIb (aka IX) 8095688 4001973 SCOP2 (2022-06-29)
MSCOP2 SuperfamilyMitochondrial cytochrome c oxidase subunit VIIIb (aka IX) 8095689 3000633 SCOP2 (2022-06-29)
ASCOP2 FamilyCytochrome c oxidase subunit I-like 8094378 4001989 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyCytochrome c oxidase subunit I-like 8094379 3000653 SCOP2 (2022-06-29)
JSCOP2 FamilyMitochondrial cytochrome c oxidase subunit VIIa 8094109 4001955 SCOP2 (2022-06-29)
JSCOP2 SuperfamilyMitochondrial cytochrome c oxidase subunit VIIa 8094110 3000606 SCOP2 (2022-06-29)
ESCOP2 FamilyCytochrome c oxidase subunit E 8094334 4001366 SCOP2 (2022-06-29)
ESCOP2 SuperfamilyCytochrome c oxidase subunit E 8094335 3001402 SCOP2 (2022-06-29)
FSCOP2 FamilyCytochrome c oxidase Subunit F 8093875 4003692 SCOP2 (2022-06-29)
FSCOP2 SuperfamilyRubredoxin-like 8093876 3001257 SCOP2 (2022-06-29)
HSCOP2 FamilyCytochrome c oxidase subunit h 8094432 4000996 SCOP2 (2022-06-29)
HSCOP2 SuperfamilyCytochrome c oxidase subunit h 8094433 3000395 SCOP2 (2022-06-29)
ISCOP2 FamilyMitochondrial cytochrome c oxidase subunit VIc 8093997 4001949 SCOP2 (2022-06-29)
ISCOP2 SuperfamilyMitochondrial cytochrome c oxidase subunit VIc 8093998 3000598 SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BCOX2e5z62B1 A: beta sandwichesX: Cupredoxin-likeH: Cupredoxin-related (From Topology)T: Cupredoxin-relatedF: COX2ECOD (1.6)
BCOX2_TMe5z62B2 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)
CCOX3e5z62C1 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)
DCOX4e5z62D1 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)
GCOX6Ae5z62G1 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)
KCOX7Be5z62K1 A: extended segmentsX: Mitochondrial cytochrome c oxidase subunit VIIb (From Topology)H: Mitochondrial cytochrome c oxidase subunit VIIb (From Topology)T: Mitochondrial cytochrome c oxidase subunit VIIbF: COX7BECOD (1.6)
LCOX7Ce5z62L1 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: COX7CECOD (1.6)
MCOX8e5z62M1 A: extended segmentsX: Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX) (From Topology)H: Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX) (From Topology)T: Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX)F: COX8ECOD (1.6)
ACOX1e5z62A1 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)
JCOX7ae5z62J1 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: COX7aECOD (1.6)
ECOX5Ae5z62E1 A: alpha superhelicesX: Repetitive alpha hairpinsH: Cytochrome c oxidase subunit E (From Topology)T: Cytochrome c oxidase subunit EF: COX5AECOD (1.6)
FCOX5Be5z62F1 A: few secondary structure elementsX: Rubredoxin-likeH: Rubredoxin-relatedT: Cytochrome c oxidase Subunit FF: COX5BECOD (1.6)
HCOX6Be5z62H1 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)
ICOX6Ce5z62I1 A: extended segmentsX: Mitochondrial cytochrome c oxidase subunit VIc (From Topology)H: Mitochondrial cytochrome c oxidase subunit VIc (From Topology)T: Mitochondrial cytochrome c oxidase subunit VIcF: COX6CECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
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
PF02046Cytochrome c oxidase subunit VIa (COX6A)Cytochrome c oxidase subunit VIa- Family
PF05392Cytochrome C oxidase chain VIIB (COX7B)Cytochrome C oxidase chain VIIB- Family
PF02935Cytochrome c oxidase subunit VIIc (COX7C)Cytochrome c oxidase subunit VIIc- Family
PF02285Cytochrome oxidase c subunit VIII (COX8)Cytochrome oxidase c subunit VIII- Family
PF06522NADH-ubiquinone reductase complex 1 MLRQ subunit (B12D)NADH-ubiquinone reductase complex 1 MLRQ subunit- Family
PF00115Cytochrome C and Quinol oxidase polypeptide I (COX1)Cytochrome C and Quinol oxidase polypeptide I- Family
PF02238Cytochrome c oxidase subunit VII (COX7a)Cytochrome c oxidase subunit VII- 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
PF01215Cytochrome c oxidase subunit Vb (COX5B)Cytochrome c oxidase subunit Vb- Domain
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
PF02937Cytochrome c oxidase subunit VIc (COX6C)Cytochrome c oxidase subunit VIc- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Cytochrome c oxidase subunit 2
Cytochrome c oxidase subunit 3
Cytochrome c oxidase subunit 4 isoform 1, mitochondrial
Cytochrome c oxidase subunit 6A1, mitochondrial
Cytochrome c oxidase subunit 7B, mitochondrial
Cytochrome c oxidase subunit 7C, mitochondrial-
Cytochrome c oxidase subunit 8A, mitochondrial
Cytochrome c oxidase subunit NDUFA4
Cytochrome c oxidase subunit 1
Cytochrome c oxidase subunit 7A2, mitochondrial
Cytochrome c oxidase subunit 5A, mitochondrial
Cytochrome c oxidase subunit 5B, mitochondrial
Cytochrome c oxidase subunit 6B1
Cytochrome c oxidase subunit 6C-

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
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
IPR000298Cytochrome c oxidase subunit III-likeDomain
IPR033945Cytochrome c oxidase subunit III domainDomain
IPR013833Cytochrome c oxidase, subunit III, 4-helical bundleHomologous Superfamily
IPR024791Cytochrome c oxidase subunit IIIFamily
IPR004203Cytochrome c oxidase subunit IV familyFamily
IPR013288Cytochrome c oxidase subunit IVFamily
IPR036639Cytochrome c oxidase subunit IV superfamilyHomologous Superfamily
IPR018507Cytochrome c oxidase, subunit VIa, conserved siteConserved Site
IPR036418Cytochrome c oxidase, subunit VIa superfamilyHomologous Superfamily
IPR001349Cytochrome c oxidase, subunit VIaFamily
IPR023272Cytochrome C oxidase, subunit VIIB domain superfamilyHomologous Superfamily
IPR008433Cytochrome C oxidase, subunit VIIBFamily
IPR036636Cytochrome c oxidase subunit VIIc superfamilyHomologous Superfamily
IPR004202Cytochrome c oxidase subunit VIIcFamily
IPR003205Cytochrome c oxidase, subunit 8Family
IPR036548Cytochrome c oxidase, subunit 8 superfamilyHomologous Superfamily
IPR010530NADH-ubiquinone reductase complex 1 MLRQ subunitFamily
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
IPR003177Cytochrome c oxidase subunit VIIa, metazoaFamily
IPR036539Cytochrome c oxidase, subunit VIIa superfamilyHomologous Superfamily
IPR039297Cytochrome c oxidase subunit VIIFamily
IPR003204Cytochrome c oxidase, subunit Va/VIFamily
IPR036545Cytochrome c oxidase, subunit Va/VI superfamilyHomologous Superfamily
IPR002124Cytochrome c oxidase, subunit VbFamily
IPR036972Cytochrome c oxidase, subunit Vb superfamilyHomologous Superfamily
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
IPR037169Mitochondrial cytochrome c oxidase subunit VIc/VIIs superfamilyHomologous Superfamily
IPR051389Cytochrome c oxidase subunit VIcFamily
IPR034884Mitochondrial cytochrome c oxidase subunit VIc/VIIsFamily

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
PharosP00403
PharosP00414
PharosP13073
PharosP12074
PharosP24311
PharosP15954
PharosP10176
PharosO00483
PharosP00395
PharosP14406
PharosP20674
PharosP10606
PharosP14854
PharosP09669

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

ChainsExternal LinkComment
A, B, C, D, E
MemProtMDAnnotated as membrane protein by MemProtMD