Annotations: 7O3E

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
Q [auth a]	SCOP2B Superfamily	Cytochrome c oxidase subunit I-like	8105417	3000653	SCOP2B (2022-06-29)
S [auth c]	SCOP2 Family	Cytochrome c oxidase subunit III-like	8105418	4002000	SCOP2 (2022-06-29)
S [auth c]	SCOP2 Superfamily	Cytochrome c oxidase subunit III-like	8105419	3000671	SCOP2 (2022-06-29)
T [auth d]	SCOP2B Superfamily	Mitochondrial cytochrome c oxidase subunit IV	8105437	3000582	SCOP2B (2022-06-29)
U [auth e]	SCOP2B Superfamily	Cytochrome c oxidase subunit E	8105431	3001402	SCOP2B (2022-06-29)
V [auth f]	SCOP2 Family	Cytochrome c oxidase Subunit F	8105434	4003692	SCOP2 (2022-06-29)
V [auth f]	SCOP2 Superfamily	Rubredoxin-like	8105435	3001257	SCOP2 (2022-06-29)
W [auth g]	SCOP2 Family	Mitochondrial cytochrome c oxidase subunit VIa	8105440	4001944	SCOP2 (2022-06-29)
W [auth g]	SCOP2 Superfamily	Mitochondrial cytochrome c oxidase subunit VIa	8105441	3000592	SCOP2 (2022-06-29)
X [auth h]	SCOP2B Superfamily	Cytochrome c oxidase subunit h	8105445	3000395	SCOP2B (2022-06-29)
Y [auth i]	SCOP2 Family	Mitochondrial cytochrome c oxidase subunit VIc	8105490	4001949	SCOP2 (2022-06-29)
Y [auth i]	SCOP2 Superfamily	Mitochondrial cytochrome c oxidase subunit VIc	8105491	3000598	SCOP2 (2022-06-29)
Z [auth k]	SCOP2B Superfamily	Mitochondrial cytochrome c oxidase subunit VIIb	8105447	3000613	SCOP2B (2022-06-29)
AA [auth l]	SCOP2B Superfamily	Mitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa)	8105433	3000624	SCOP2B (2022-06-29)
BA [auth m]	SCOP2B Superfamily	Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX)	8105443	3000633	SCOP2B (2022-06-29)
F [auth G]	SCOP2B Superfamily	Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8105495	3000770	SCOP2B (2022-06-29)
M [auth R]	SCOP2B Superfamily	Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8105495	3000770	SCOP2B (2022-06-29)
G [auth H]	SCOP2B Superfamily	Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8105459	3000806	SCOP2B (2022-06-29)
N [auth S]	SCOP2B Superfamily	Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8105459	3000806	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)
A	PF00675,PF05193	e7o3eA1	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF00675,PF05193	ECOD (1.6)
A	PF05193	e7o3eA2	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF05193	ECOD (1.6)
H [auth L]	PF00675,PF05193	e7o3eL1	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF00675,PF05193	ECOD (1.6)
H [auth L]	PF05193	e7o3eL2	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF05193	ECOD (1.6)
Q [auth a]	PF00115	e7o3ea1	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)
R [auth b]	PF00116	e7o3eb1	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: PF00116	ECOD (1.6)
R [auth b]	PF02790	e7o3eb2	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)
S [auth c]	PF00510	e7o3ec1	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)
T [auth d]	PF02936	e7o3ed1	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)
U [auth e]	PF02284	e7o3ee1	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)
V [auth f]	PF01215	e7o3ef1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Cytochrome c oxidase Subunit F	F: PF01215	ECOD (1.6)
W [auth g]	PF02046	e7o3eg1	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)
X [auth h]	PF02297	e7o3eh1	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)
Y [auth i]	PF02937	e7o3ei1	A: extended segments	X: Mitochondrial cytochrome c oxidase subunit VIc (From Topology)	H: Mitochondrial cytochrome c oxidase subunit VIc (From Topology)	T: Mitochondrial cytochrome c oxidase subunit VIc	F: PF02937	ECOD (1.6)
B	PF00675,PF05193	e7o3eB1	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF00675,PF05193	ECOD (1.6)
B	PF05193	e7o3eB2	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF05193	ECOD (1.6)
I [auth M]	PF00675,PF05193	e7o3eM1	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF00675,PF05193	ECOD (1.6)
I [auth M]	PF05193	e7o3eM2	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF05193	ECOD (1.6)
Z [auth k]	PF05392	e7o3ek1	A: extended segments	X: Mitochondrial cytochrome c oxidase subunit VIIb (From Topology)	H: Mitochondrial cytochrome c oxidase subunit VIIb (From Topology)	T: Mitochondrial cytochrome c oxidase subunit VIIb	F: PF05392	ECOD (1.6)
AA [auth l]	PF02935	e7o3el1	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)
BA [auth m]	PF02285	e7o3em1	A: extended segments	X: 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: PF02285	ECOD (1.6)
DA [auth U]	PF05365	e7o3eU1	A: extended segments	X: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF05365	ECOD (1.6)
CA [auth J]	PF05365	e7o3eJ1	A: extended segments	X: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF05365	ECOD (1.6)
C	PF00032	e7o3eC2	A: alpha bundles	X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF00032	ECOD (1.6)
C	PF00033	e7o3eC1	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle (From Homology)	H: Transmembrane heme-binding four-helical bundle	T: Transmembrane di-heme cytochromes	F: PF00033	ECOD (1.6)
J [auth N]	PF00032	e7o3eN2	A: alpha bundles	X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF00032	ECOD (1.6)
J [auth N]	PF00033	e7o3eN1	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle (From Homology)	H: Transmembrane heme-binding four-helical bundle	T: Transmembrane di-heme cytochromes	F: PF00033	ECOD (1.6)
D	PF02167	e7o3eD1	A: alpha arrays	X: Cytochrome c-like	H: Cytochrome c (From Topology)	T: Cytochrome c	F: PF02167	ECOD (1.6)
D	F_UNCLASSIFIED	e7o3eD2	A: extended segments	X: cytochrome c1 transmembrane anchor (From Topology)	H: cytochrome c1 transmembrane anchor (From Topology)	T: cytochrome c1 transmembrane anchor	F: F_UNCLASSIFIED	ECOD (1.6)
EA [auth O]	PF02167	e7o3eO1	A: alpha arrays	X: Cytochrome c-like	H: Cytochrome c (From Topology)	T: Cytochrome c	F: PF02167	ECOD (1.6)
EA [auth O]	F_UNCLASSIFIED	e7o3eO2	A: extended segments	X: cytochrome c1 transmembrane anchor (From Topology)	H: cytochrome c1 transmembrane anchor (From Topology)	T: cytochrome c1 transmembrane anchor	F: F_UNCLASSIFIED	ECOD (1.6)
L [auth Q]	PF02271	e7o3eQ1	A: alpha arrays	X: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02271	ECOD (1.6)
E [auth F]	PF02271	e7o3eF1	A: alpha arrays	X: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02271	ECOD (1.6)
F [auth G]	PF02939	e7o3eG1	A: extended segments	X: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02939	ECOD (1.6)
M [auth R]	PF02939	e7o3eR1	A: extended segments	X: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02939	ECOD (1.6)
G [auth H]	PF02320	e7o3eH1	A: alpha bundles	X: cytochrome bc1 complex 11 kDa protein-like	H: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02320	ECOD (1.6)
N [auth S]	PF02320	e7o3eS1	A: alpha bundles	X: cytochrome bc1 complex 11 kDa protein-like	H: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02320	ECOD (1.6)
O [auth T]	PF09165	e7o3eT1	A: extended segments	X: Ubiquinol-cytochrome c reductase 8 kDa protein (From Topology)	H: Ubiquinol-cytochrome c reductase 8 kDa protein (From Topology)	T: Ubiquinol-cytochrome c reductase 8 kDa protein	F: PF09165	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, H [auth L]	PF05193	Peptidase M16 inactive domain (Peptidase_M16_C)	Peptidase M16 inactive domain	Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1].	Domain
A, H [auth L]	PF00675	Insulinase (Peptidase family M16) (Peptidase_M16)	Insulinase (Peptidase family M16)	-	Family
P [auth I]	PF02238	Cytochrome c oxidase subunit VII (COX7a)	Cytochrome c oxidase subunit VII	-	Family
Q [auth a]	PF00115	Cytochrome C and Quinol oxidase polypeptide I (COX1)	Cytochrome C and Quinol oxidase polypeptide I	-	Family
R [auth b]	PF00116	Cytochrome C oxidase subunit II, periplasmic domain (COX2)	Cytochrome C oxidase subunit II, periplasmic domain	-	Domain
R [auth b]	PF02790	Cytochrome C oxidase subunit II, transmembrane domain (COX2_TM)	Cytochrome C oxidase subunit II, transmembrane domain	-	Family
S [auth c]	PF00510	Cytochrome c oxidase subunit III (COX3)	Cytochrome c oxidase subunit III	-	Family
T [auth d]	PF02936	Cytochrome c oxidase subunit IV (COX4)	Cytochrome c oxidase subunit IV	-	Family
U [auth e]	PF02284	Cytochrome c oxidase subunit Va (COX5A)	Cytochrome c oxidase subunit Va	Cytochrome 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
V [auth f]	PF01215	Cytochrome c oxidase subunit Vb (COX5B)	Cytochrome c oxidase subunit Vb	-	Domain
W [auth g]	PF02046	Cytochrome c oxidase subunit VIa (COX6A)	Cytochrome c oxidase subunit VIa	-	Family
X [auth h]	PF02297	Cytochrome oxidase c subunit VIb (COX6B)	Cytochrome oxidase c subunit VIb	Cytochrome 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
Y [auth i]	PF02937	Cytochrome c oxidase subunit VIc (COX6C)	Cytochrome c oxidase subunit VIc	-	Family
B, I [auth M]	PF05193	Peptidase M16 inactive domain (Peptidase_M16_C)	Peptidase M16 inactive domain	Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1].	Domain
B, I [auth M]	PF00675	Insulinase (Peptidase family M16) (Peptidase_M16)	Insulinase (Peptidase family M16)	-	Family
Z [auth k]	PF05392	Cytochrome C oxidase chain VIIB (COX7B)	Cytochrome C oxidase chain VIIB	-	Family
AA [auth l]	PF02935	Cytochrome c oxidase subunit VIIc (COX7C)	Cytochrome c oxidase subunit VIIc	-	Family
BA [auth m]	PF02285	Cytochrome oxidase c subunit VIII (COX8)	Cytochrome oxidase c subunit VIII	-	Family
CA [auth J], DA [auth U]	PF05365	Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like (UCR_UQCRX_QCR9)	Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like	-	Family
C, J [auth N]	PF00032	Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)	Cytochrome b(C-terminal)/b6/petD	-	Domain
C, J [auth N]	PF00033	Cytochrome b/b6/petB (Cytochrome_B)	Cytochrome b/b6/petB	-	Domain
D, EA [auth O]	PF02167	Cytochrome C1 family (Cytochrom_C1)	Cytochrome C1 family	-	Family
E [auth F], L [auth Q]	PF02271	Ubiquinol-cytochrome C reductase complex 14kD subunit (UCR_14kD)	Ubiquinol-cytochrome C reductase complex 14kD subunit	-	Family
F [auth G], M [auth R]	PF02939	UcrQ family (UcrQ)	UcrQ family	-	Family
G [auth H], N [auth S]	PF02320	Ubiquinol-cytochrome C reductase hinge protein (UCR_hinge)	Ubiquinol-cytochrome C reductase hinge protein	-	Family
K [auth P]	PF02921	Ubiquinol cytochrome reductase transmembrane region (UCR_TM)	Ubiquinol cytochrome reductase transmembrane region	-	Family
O [auth T]	PF09165	Ubiquinol-cytochrome c reductase 8 kDa, N-terminal (Ubiq-Cytc-red_N)	Ubiquinol-cytochrome c reductase 8 kDa, N-terminal	Members of this family adopt a structure consisting of many antiparallel beta sheets, with few alpha helices, in a non-globular arrangement. They are required for proper functioning of the respiratory chain [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, H [auth L]	Cytochrome b-c1 complex subunit 1, mitochondrial	protein-containing complex binding binding ubiquitin protein ligase binding protein binding ubiquitin-like protein ligase binding enzyme 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, ubiquinol to cytochrome c 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, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport cytochrome complex assembly protein-containing complex organization mitochondrial respiratory chain complex III assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly respiratory chain complex III assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular component organization or biogenesis mitochondrion organization response to stimulus response to activity response to organic substance response to organonitrogen compound response to chemical response to nitrogen compound response to alkaloid	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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome myelin sheath
P [auth I]	Cox7a2l protein	-	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 respiratory chain complex protein-containing complex mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex intracellular organelle organelle envelope mitochondrial protein-containing complex catalytic complex membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex intracellular organelle organelle envelope mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane
Q [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	response to electrical stimulus response to stimulus response to abiotic stimulus 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 response to electrical stimulus response to stimulus response to abiotic stimulus 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 response to copper ion response to metal ion response to chemical response to inorganic substance response to decreased oxygen levels response to hypoxia response to stress response to oxygen levels response to oxidative stress developmental process multicellular organismal process head development animal organ development brain development nervous system development multicellular organism development cerebellum development central nervous system development metencephalon development anatomical structure development hindbrain development system development	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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome respiratory chain complex IV mitochondrial respiratory chain complex IV
R [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	response to decreased oxygen levels response to stimulus response to hypoxia response to stress response to oxygen levels response to abiotic stimulus developmental process regulation of body fluid levels secretion transport mammary gland development gland development animal organ development biological regulation response to decreased oxygen levels response to stimulus response to hypoxia response to stress response to oxygen levels response to abiotic stimulus developmental process regulation of body fluid levels secretion transport mammary gland development gland development animal organ development biological regulation establishment of localization body fluid secretion localization anatomical structure development lactation regulation of biological quality aerobic respiration cellular respiration 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 respiratory electron transport chain metabolic process cellular process	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 catalytic complex membrane protein complex respirasome respiratory chain complex IV mitochondrial respirasome mitochondrial protein-containing complex mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex
S [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	respiratory chain complex IV assembly cytochrome complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds respiratory chain complex IV assembly cytochrome complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis 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 organelle envelope mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex mitochondrial envelope respirasome organelle membrane
T [auth d]	Cytochrome c oxidase subunit 4 isoform 1, mitochondrial	-	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	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle intracellular organelle mitochondrion organelle intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle intracellular organelle mitochondrion organelle 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 mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex respirasome nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen
U [auth e]	Cytochrome c oxidase subunit 5A, 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 cation 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 myelin sheath respiratory chain complex protein-containing complex cytochrome complex mitochondrial respirasome membrane protein complex mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex respirasome
V [auth f]	Cytochrome c oxidase subunit 5B, mitochondrial	cation 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 myelin sheath respiratory chain complex protein-containing complex cytochrome complex mitochondrial respirasome membrane protein complex mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex respirasome
W [auth g]	Cytochrome c oxidase subunit 6A2, mitochondrial	oxidoreductase activity catalytic activity enzyme regulator activity molecular function regulator 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 organelle envelope mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex mitochondrial envelope respirasome organelle membrane
X [auth h]	Cytochrome c oxidase subunit 6B1	-	aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process metabolic process cellular process generation of precursor metabolites and energy	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 mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex respirasome
Y [auth i]	Cytochrome c oxidase subunit 6C	-	aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process metabolic process cellular process generation of precursor metabolites and energy	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 mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex respirasome
B, I [auth M]	Cytochrome b-c1 complex subunit 2, mitochondrial	protein-containing complex binding binding peptidase activity catalytic activity, acting on a protein metalloendopeptidase activity hydrolase activity metallopeptidase activity catalytic activity endopeptidase activity cation binding ion binding metal ion binding small molecule binding	response to stimulus response to chemical response to xenobiotic stimulus 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, ubiquinol to cytochrome c respiratory electron transport chain response to stimulus response to chemical response to xenobiotic stimulus 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, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport organic substance metabolic process organonitrogen compound metabolic process proteolysis primary metabolic process protein metabolic process macromolecule metabolic process	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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome myelin sheath respiratory chain complex IV mitochondrial respiratory chain complex IV nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen
Z [auth k]	Cytochrome c oxidase subunit 7B, mitochondrial	-	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 developmental process multicellular organism development multicellular organismal process central nervous system development anatomical structure development nervous system development system development	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 organelle envelope mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex mitochondrial envelope respirasome organelle membrane
AA [auth l]	Cytochrome c oxidase subunit 7C, mitochondrial	-	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 mitochondrial protein-containing complex catalytic complex respiratory chain complex IV mitochondrial respiratory chain complex IV inner mitochondrial membrane protein complex respirasome
BA [auth m]	Cytochrome c oxidase subunit 8B, mitochondrial	-	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 organelle envelope mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex mitochondrial envelope respirasome organelle membrane
CA [auth J], DA [auth U]	Cytochrome b-c1 complex subunit 9	-	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, ubiquinol to cytochrome c 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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome
C, J [auth N]	Cytochrome b	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic activity transmembrane transporter activity protein-containing complex binding binding cation binding ion binding metal ion binding small molecule binding	response to stimulus response to chemical response to xenobiotic stimulus 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 response to stimulus response to chemical response to xenobiotic stimulus 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 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, ubiquinol to cytochrome c respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport response to copper ion response to metal ion response to inorganic substance response to mercury ion response to calcium ion response to organic substance response to hormone response to endogenous stimulus response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound response to glucagon response to toxic substance response to nutrient levels response to nutrient response to vitamin response to cobalamin response to organic cyclic compound response to alcohol response to ethanol response to decreased oxygen levels response to hypoxia response to stress response to oxygen levels response to abiotic stimulus developmental process animal organ regeneration animal organ development anatomical structure development regeneration response to cadmium ion response to hyperoxia response to increased oxygen levels	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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome
D, EA [auth O]	Cytochrome c1, heme protein, mitochondrial	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic activity transmembrane transporter 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, ubiquinol to cytochrome c 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, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport response to organic substance response to stimulus response to hormone response to chemical response to endogenous stimulus response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound response to glucagon	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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome
E [auth F], L [auth Q]	Cytochrome b-c1 complex subunit 7	protein-containing complex binding 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, ubiquinol to cytochrome c 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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome
F [auth G], M [auth R]	Cytochrome b-c1 complex subunit 8	-	developmental process multicellular organismal process head development animal organ development brain development nervous system development cerebellar cortex development multicellular organism development cerebellar Purkinje cell layer development cerebellum development central nervous system development metencephalon development anatomical structure development hindbrain development developmental process multicellular organismal process head development animal organ development brain development nervous system development cerebellar cortex development multicellular organism development cerebellar Purkinje cell layer development cerebellum development central nervous system development metencephalon development anatomical structure development hindbrain development system development midbrain development 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, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport forebrain development pallium development telencephalon development hippocampus development limbic system development pyramidal neuron development cellular developmental process central nervous system neuron development cell development neurogenesis central nervous system neuron differentiation neuron differentiation cell differentiation forebrain generation of neurons generation of neurons forebrain neuron development neuron development forebrain neuron differentiation pyramidal neuron differentiation pons development hypothalamus development diencephalon development subthalamus development thalamus development	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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome
G [auth H], N [auth S]	Cytochrome b-c1 complex subunit 6, mitochondrial	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic activity transmembrane transporter activity protein-containing complex binding 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, ubiquinol to cytochrome c 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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome
K [auth P]	Cytochrome b-c1 complex subunit Rieske, mitochondrial	oxidoreductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity oxidoreductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity transmembrane transporter activity iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding protein-containing complex binding cation binding ion binding metal ion binding	response to stimulus response to chemical response to xenobiotic stimulus 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, ubiquinol to cytochrome c respiratory electron transport chain response to stimulus response to chemical response to xenobiotic stimulus 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, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport response to organic substance response to hormone response to endogenous stimulus	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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome myelin sheath respiratory chain complex IV mitochondrial respiratory chain complex IV
O [auth T]	Cytochrome b-c1 complex subunit 9	oxidoreductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity oxidoreductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity transmembrane transporter activity iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding protein-containing complex binding cation binding ion binding metal ion binding	response to stimulus response to chemical response to xenobiotic stimulus 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, ubiquinol to cytochrome c respiratory electron transport chain response to stimulus response to chemical response to xenobiotic stimulus 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, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport response to organic substance response to hormone response to endogenous stimulus	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 mitochondrial respiratory chain complex III cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III oxidoreductase complex mitochondrial protein-containing complex catalytic complex inner mitochondrial membrane protein complex transmembrane transporter complex respirasome myelin sheath respiratory chain complex IV mitochondrial respiratory chain complex IV

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, H [auth L]	IPR007863	Peptidase M16, C-terminal	Domain
A, H [auth L]	IPR011249	Metalloenzyme, LuxS/M16 peptidase-like	Homologous Superfamily
A, H [auth L]	IPR011765	Peptidase M16, N-terminal	Domain
P [auth I]	IPR003177	Cytochrome c oxidase subunit VIIa, metazoa	Family
P [auth I]	IPR017267	Cytochrome c oxidase subunit VIIa-related, mitochondrial	Family
P [auth I]	IPR036539	Cytochrome c oxidase, subunit VIIa superfamily	Homologous Superfamily
P [auth I]	IPR039297	Cytochrome c oxidase subunit VII	Family
Q [auth a]	IPR036927	Cytochrome c oxidase-like, subunit I superfamily	Homologous Superfamily
Q [auth a]	IPR000883	Cytochrome c oxidase subunit I	Family
Q [auth a]	IPR023615	Cytochrome c oxidase, subunit I, copper-binding site	Binding Site
Q [auth a]	IPR023616	Cytochrome c oxidase-like, subunit I domain	Domain
Q [auth a]	IPR033944	Cytochrome c oxidase subunit I domain	Domain
R [auth b]	IPR011759	Cytochrome C oxidase subunit II, transmembrane domain	Domain
R [auth b]	IPR036257	Cytochrome C oxidase subunit II, transmembrane domain superfamily	Homologous Superfamily
R [auth b]	IPR034210	Cytochrome c oxidase subunit 2, C-terminal	Domain
R [auth b]	IPR045187	Cytochrome c/quinol oxidase subunit II	Family
R [auth b]	IPR002429	Cytochrome c oxidase subunit II-like C-terminal	Domain
R [auth b]	IPR008972	Cupredoxin	Homologous Superfamily
R [auth b]	IPR001505	Copper centre Cu(A)	Binding Site
R [auth b]	IPR014222	Cytochrome c oxidase, subunit II	Domain
S [auth c]	IPR035973	Cytochrome c oxidase subunit III-like superfamily	Homologous Superfamily
S [auth c]	IPR013833	Cytochrome c oxidase, subunit III, 4-helical bundle	Homologous Superfamily
S [auth c]	IPR000298	Cytochrome c oxidase subunit III-like	Domain
S [auth c]	IPR033945	Cytochrome c oxidase subunit III domain	Domain
S [auth c]	IPR024791	Cytochrome c oxidase subunit III	Family
T [auth d]	IPR004203	Cytochrome c oxidase subunit IV family	Family
T [auth d]	IPR013288	Cytochrome c oxidase subunit IV	Family
T [auth d]	IPR036639	Cytochrome c oxidase subunit IV superfamily	Homologous Superfamily
U [auth e]	IPR003204	Cytochrome c oxidase, subunit Va/VI	Family
U [auth e]	IPR036545	Cytochrome c oxidase, subunit Va/VI superfamily	Homologous Superfamily
V [auth f]	IPR002124	Cytochrome c oxidase, subunit Vb	Family
V [auth f]	IPR036972	Cytochrome c oxidase, subunit Vb superfamily	Homologous Superfamily
W [auth g]	IPR018507	Cytochrome c oxidase, subunit VIa, conserved site	Conserved Site
W [auth g]	IPR036418	Cytochrome c oxidase, subunit VIa superfamily	Homologous Superfamily
W [auth g]	IPR001349	Cytochrome c oxidase, subunit VIa	Family
X [auth h]	IPR036549	Cytochrome c oxidase, subunit VIb superfamily	Homologous Superfamily
X [auth h]	IPR048280	Cytochrome oxidase c subunit VIb-like	Family
X [auth h]	IPR003213	Cytochrome c oxidase, subunit VIb	Family
Y [auth i]	IPR037169	Mitochondrial cytochrome c oxidase subunit VIc/VIIs superfamily	Homologous Superfamily
Y [auth i]	IPR034884	Mitochondrial cytochrome c oxidase subunit VIc/VIIs	Domain
B, I [auth M]	IPR007863	Peptidase M16, C-terminal	Domain
B, I [auth M]	IPR011249	Metalloenzyme, LuxS/M16 peptidase-like	Homologous Superfamily
B, I [auth M]	IPR011765	Peptidase M16, N-terminal	Domain
B, I [auth M]	IPR001431	Peptidase M16, zinc-binding site	Binding Site
Z [auth k]	IPR023272	Cytochrome C oxidase, subunit VIIB domain superfamily	Homologous Superfamily
Z [auth k]	IPR008433	Cytochrome C oxidase, subunit VIIB	Family
AA [auth l]	IPR036636	Cytochrome c oxidase subunit VIIc superfamily	Homologous Superfamily
AA [auth l]	IPR004202	Cytochrome c oxidase subunit VIIc	Family
BA [auth m]	IPR003205	Cytochrome c oxidase, subunit 8	Family
BA [auth m]	IPR036548	Cytochrome c oxidase, subunit 8 superfamily	Homologous Superfamily
CA [auth J], DA [auth U]	IPR008027	Cytochrome b-c1 complex subunit 9	Family
CA [auth J], DA [auth U]	IPR036656	Cytochrome b-c1 complex subunit 9 superfamily	Homologous Superfamily
C, J [auth N]	IPR036150	Cytochrome b/b6, C-terminal domain superfamily	Homologous Superfamily
C, J [auth N]	IPR048260	Cytochrome b/b6, C-terminal domain, eukaryotic/bacterial	Domain
C, J [auth N]	IPR016174	Di-haem cytochrome, transmembrane	Homologous Superfamily
C, J [auth N]	IPR005798	Cytochrome b/b6, C-terminal	Domain
C, J [auth N]	IPR048259	Cytochrome b/b6, N-terminal domain, eukaryotic/bacterial	Domain
C, J [auth N]	IPR005797	Cytochrome b/b6, N-terminal domain	Domain
C, J [auth N]	IPR027387	Cytochrome b/b6-like domain superfamily	Homologous Superfamily
C, J [auth N]	IPR030689	Cytochrome b	Family
D, EA [auth O]	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
D, EA [auth O]	IPR002326	Cytochrome c1	Family
D, EA [auth O]	IPR009056	Cytochrome c-like domain	Domain
D, EA [auth O]	IPR021157	Cytochrome c1, transmembrane anchor, C-terminal	Homologous Superfamily
E [auth F], L [auth Q]	IPR003197	Cytochrome b-c1 complex subunit 7	Family
E [auth F], L [auth Q]	IPR036544	Cytochrome b-c1 complex subunit 7 superfamily	Homologous Superfamily
F [auth G], M [auth R]	IPR004205	Cytochrome b-c1 complex subunit 8	Family
F [auth G], M [auth R]	IPR036642	Cytochrome b-c1 complex subunit 8 superfamily	Homologous Superfamily
G [auth H], N [auth S]	IPR003422	Cytochrome b-c1 complex, subunit 6	Family
G [auth H], N [auth S]	IPR023184	Ubiquinol-cytochrome C reductase hinge domain	Domain
G [auth H], N [auth S]	IPR036811	Ubiquinol-cytochrome C reductase hinge domain superfamily	Homologous Superfamily
K [auth P]	IPR036922	Rieske [2Fe-2S] iron-sulphur domain superfamily	Homologous Superfamily
K [auth P]	IPR014349	Rieske iron-sulphur protein	Family
K [auth P]	IPR011070	Globular protein, non-globular alpha/beta subunit	Homologous Superfamily
K [auth P]	IPR004192	Cytochrome b-c1 complex subunit Rieske, transmembrane domain	Domain
K [auth P]	IPR015248	Ubiquinol-cytochrome c reductase iron-sulphur subunit, N-terminal	Domain
K [auth P]	IPR017941	Rieske [2Fe-2S] iron-sulphur domain	Domain
K [auth P]	IPR005805	Rieske iron-sulphur protein, C-terminal	Domain
K [auth P]	IPR037008	Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily	Homologous Superfamily
K [auth P]	IPR006317	Ubiquinol-cytochrome c reductase, iron-sulphur subunit	Domain
O [auth T]	IPR036922	Rieske [2Fe-2S] iron-sulphur domain superfamily	Homologous Superfamily
O [auth T]	IPR014349	Rieske iron-sulphur protein	Family
O [auth T]	IPR011070	Globular protein, non-globular alpha/beta subunit	Homologous Superfamily
O [auth T]	IPR004192	Cytochrome b-c1 complex subunit Rieske, transmembrane domain	Domain
O [auth T]	IPR015248	Ubiquinol-cytochrome c reductase iron-sulphur subunit, N-terminal	Domain
O [auth T]	IPR017941	Rieske [2Fe-2S] iron-sulphur domain	Domain
O [auth T]	IPR005805	Rieske iron-sulphur protein, C-terminal	Domain
O [auth T]	IPR037008	Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily	Homologous Superfamily
O [auth T]	IPR006317	Ubiquinol-cytochrome c reductase, iron-sulphur subunit	Domain

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, AA [auth l], B, BA [auth m], C A, AA [auth l], B, BA [auth m], C, CA [auth J], D, DA [auth U], E [auth F], EA [auth O], F [auth G], G [auth H], H [auth L], I [auth M], J [auth N], K [auth P], L [auth Q], M [auth R], N [auth S], O [auth T], P [auth I], Q [auth a], R [auth b], S [auth c], T [auth d], U [auth e], V [auth f], W [auth g], X [auth h], Y [auth i], Z [auth k]	OPM	Transmembrane	Alpha-helical polytopic	Electron transport chain complex IV (cytochrome c oxidase)	Respiratory supercomplexes III-IV

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, AA [auth l], B, BA [auth m], C A, AA [auth l], B, BA [auth m], C, CA [auth J], D, DA [auth U], E [auth F], EA [auth O], F [auth G], G [auth H], H [auth L], I [auth M], J [auth N], K [auth P], L [auth Q], M [auth R], N [auth S], O [auth T], P [auth I], Q [auth a], R [auth b], S [auth c], T [auth d], U [auth e], V [auth f], W [auth g], X [auth h], Y [auth i], Z [auth k]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, AA [auth l], B, BA [auth m], C A, AA [auth l], B, BA [auth m], C, CA [auth J], D, DA [auth U], E [auth F], EA [auth O], F [auth G], G [auth H], H [auth L], I [auth M], J [auth N], K [auth P], L [auth Q], M [auth R], N [auth S], O [auth T], P [auth I], Q [auth a], R [auth b], S [auth c], T [auth d], U [auth e], V [auth f], W [auth g], X [auth h], Y [auth i], Z [auth k]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Electron Transport Chain Supercomplexes (Respirasome)	ETC Super Complex comprised of ETC complexes CIII₂CIV, intermediate locked conformation