8UGL

High resolution in-situ structure of complex IV in respiratory supercomplex

External Resource: Annotation

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth 4A]	PF00115	Cytochrome C and Quinol oxidase polypeptide I (COX1)	Cytochrome C and Quinol oxidase polypeptide I	-	Family
J [auth 4J]	PF02238	Cytochrome c oxidase subunit VII (COX7a)	Cytochrome c oxidase subunit VII	-	Family
M [auth 4M]	PF02285	Cytochrome oxidase c subunit VIII (COX8)	Cytochrome oxidase c subunit VIII	-	Family
N [auth 4N]	PF06522	NADH-ubiquinone reductase complex 1 MLRQ subunit (B12D)	NADH-ubiquinone reductase complex 1 MLRQ subunit	-	Family
B [auth 4B]	PF00116	Cytochrome C oxidase subunit II, periplasmic domain (COX2)	Cytochrome C oxidase subunit II, periplasmic domain	-	Domain
B [auth 4B]	PF02790	Cytochrome C oxidase subunit II, transmembrane domain (COX2_TM)	Cytochrome C oxidase subunit II, transmembrane domain	-	Family
C [auth 4C]	PF00510	Cytochrome c oxidase subunit III (COX3)	Cytochrome c oxidase subunit III	-	Family
H [auth 4H]	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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth 4A]	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	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 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	membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex 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 transmembrane transporter complex organelle mitochondrial envelope respirasome cytoplasm organelle membrane
J [auth 4J]	Cytochrome c oxidase subunit 7A1, mitochondrial	oxidoreductase activity catalytic activity	aerobic respiration cellular respiration oxidative phosphorylation regulation of biological process regulation of cellular process energy derivation by oxidation of organic compounds cellular metabolic process biological regulation regulation of generation of precursor metabolites and energy regulation of cellular metabolic process generation of precursor metabolites and energy regulation of cellular respiration regulation of aerobic respiration regulation of oxidative phosphorylation aerobic respiration cellular respiration oxidative phosphorylation regulation of biological process regulation of cellular process energy derivation by oxidation of organic compounds cellular metabolic process biological regulation regulation of generation of precursor metabolites and energy regulation of cellular metabolic process generation of precursor metabolites and energy regulation of cellular respiration regulation of aerobic respiration regulation of oxidative phosphorylation metabolic process cellular process regulation of metabolic process aerobic electron transport chain ATP synthesis coupled electron transport electron transport chain mitochondrial electron transport, cytochrome c to oxygen respiratory electron transport chain mitochondrial ATP synthesis coupled electron transport cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respirasome assembly protein-containing complex organization protein-containing complex assembly cellular component organization or biogenesis mitochondrion organization	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 transporter complex organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope respirasome organelle membrane
K [auth 4K]	Cytochrome c oxidase subunit 7B	-	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 transporter complex organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane respiratory chain complex IV mitochondrial respiratory chain complex IV mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope respirasome organelle membrane
L [auth 4L]	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 respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex 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 transmembrane transporter complex organelle mitochondrial envelope respirasome cytoplasm organelle membrane
M [auth 4M]	Cytochrome c oxidase subunit 8	-	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 intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex 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 transmembrane transporter complex organelle mitochondrial envelope respirasome cytoplasm organelle membrane
N [auth 4N]	Cytochrome c oxidase subunit NDUFA4	-	-	membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex 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 transmembrane transporter complex organelle mitochondrial envelope respirasome cytoplasm organelle membrane
B [auth 4B]	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	regulation of tube diameter multicellular organismal process regulation of biological process system process regulation of tube size regulation of system process biological regulation positive regulation of biological process positive regulation of vasoconstriction circulatory system process regulation of blood circulation vascular process in circulatory system regulation of vasoconstriction positive regulation of multicellular organismal process regulation of tube diameter multicellular organismal process regulation of biological process system process regulation of tube size regulation of system process biological regulation positive regulation of biological process positive regulation of vasoconstriction circulatory system process regulation of blood circulation vascular process in circulatory system regulation of vasoconstriction positive regulation of multicellular organismal process regulation of multicellular organismal process blood vessel diameter maintenance regulation of biological quality vasoconstriction blood circulation regulation of anatomical structure size 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 respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex 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 transmembrane transporter complex organelle mitochondrial envelope respirasome cytoplasm organelle membrane
C [auth 4C]	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 mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane respiratory chain complex protein-containing complex catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex respirasome oxidoreductase complex
D [auth 4D]	Cytochrome c oxidase subunit 4	-	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 intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex 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 transmembrane transporter complex organelle mitochondrial envelope respirasome cytoplasm organelle membrane
E [auth 4E]	Cytochrome c oxidase subunit 5A, 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 respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex 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 transmembrane transporter complex organelle mitochondrial envelope respirasome cytoplasm organelle membrane
F [auth 4F]	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 respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex 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 transmembrane transporter complex organelle mitochondrial envelope respirasome cytoplasm organelle membrane
G [auth 4G]	Cytochrome c oxidase subunit 6A2	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 respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex 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 transmembrane transporter complex organelle mitochondrial envelope respirasome cytoplasm organelle membrane
H [auth 4H]	Cytochrome c oxidase subunit 6B1	-	-	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 catalytic complex cytochrome complex membrane protein complex respiratory chain complex IV transporter complex transmembrane transporter complex respirasome oxidoreductase complex
I [auth 4I]	Cytochrome c oxidase subunit 6C	-	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 intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex membrane-bounded organelle respiratory chain complex protein-containing complex intracellular anatomical structure mitochondrial membrane organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex intracellular organelle organelle envelope oxidoreductase complex 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 transmembrane transporter complex organelle mitochondrial envelope respirasome cytoplasm organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth 4A]	IPR036927	Cytochrome c oxidase-like, subunit I superfamily	Homologous Superfamily
A [auth 4A]	IPR000883	Cytochrome c oxidase subunit I	Family
A [auth 4A]	IPR023615	Cytochrome c oxidase, subunit I, copper-binding site	Binding Site
A [auth 4A]	IPR023616	Cytochrome c oxidase-like, subunit I domain	Domain
A [auth 4A]	IPR033944	Cytochrome c oxidase subunit I domain	Domain
J [auth 4J]	IPR003177	Cytochrome c oxidase subunit VIIa, metazoa	Family
J [auth 4J]	IPR036539	Cytochrome c oxidase, subunit VIIa superfamily	Homologous Superfamily
J [auth 4J]	IPR039297	Cytochrome c oxidase subunit VII	Family
K [auth 4K]	IPR023272	Cytochrome C oxidase, subunit VIIB domain superfamily	Homologous Superfamily
K [auth 4K]	IPR008433	Cytochrome C oxidase, subunit VIIB	Family
L [auth 4L]	IPR036636	Cytochrome c oxidase subunit VIIc superfamily	Homologous Superfamily
L [auth 4L]	IPR004202	Cytochrome c oxidase subunit VIIc	Family
M [auth 4M]	IPR003205	Cytochrome c oxidase, subunit 8	Family
M [auth 4M]	IPR036548	Cytochrome c oxidase, subunit 8 superfamily	Homologous Superfamily
N [auth 4N]	IPR010530	NADH-ubiquinone reductase complex 1 MLRQ subunit	Family
B [auth 4B]	IPR011759	Cytochrome C oxidase subunit II, transmembrane domain	Domain
B [auth 4B]	IPR036257	Cytochrome C oxidase subunit II, transmembrane domain superfamily	Homologous Superfamily
B [auth 4B]	IPR034210	Cytochrome c oxidase subunit 2, C-terminal	Domain
B [auth 4B]	IPR045187	Cytochrome c/quinol oxidase subunit II	Family
B [auth 4B]	IPR002429	Cytochrome c oxidase subunit II-like C-terminal	Domain
B [auth 4B]	IPR008972	Cupredoxin	Homologous Superfamily
B [auth 4B]	IPR001505	Copper centre Cu(A)	Binding Site
B [auth 4B]	IPR014222	Cytochrome c oxidase, subunit II	Domain
C [auth 4C]	IPR035973	Cytochrome c oxidase subunit III-like superfamily	Homologous Superfamily
C [auth 4C]	IPR013833	Cytochrome c oxidase, subunit III, 4-helical bundle	Homologous Superfamily
C [auth 4C]	IPR000298	Cytochrome c oxidase subunit III-like	Domain
C [auth 4C]	IPR033945	Cytochrome c oxidase subunit III domain	Domain
C [auth 4C]	IPR024791	Cytochrome c oxidase subunit III	Family
D [auth 4D]	IPR004203	Cytochrome c oxidase subunit IV family	Family
D [auth 4D]	IPR013288	Cytochrome c oxidase subunit IV	Family
D [auth 4D]	IPR036639	Cytochrome c oxidase subunit IV superfamily	Homologous Superfamily
E [auth 4E]	IPR003204	Cytochrome c oxidase, subunit Va/VI	Family
E [auth 4E]	IPR036545	Cytochrome c oxidase, subunit Va/VI superfamily	Homologous Superfamily
F [auth 4F]	IPR002124	Cytochrome c oxidase, subunit Vb	Family
F [auth 4F]	IPR036972	Cytochrome c oxidase, subunit Vb superfamily	Homologous Superfamily
G [auth 4G]	IPR018507	Cytochrome c oxidase, subunit VIa, conserved site	Conserved Site
G [auth 4G]	IPR036418	Cytochrome c oxidase, subunit VIa superfamily	Homologous Superfamily
G [auth 4G]	IPR001349	Cytochrome c oxidase, subunit VIa	Family
H [auth 4H]	IPR036549	Cytochrome c oxidase subunit 6B/Cytochrome c oxidase assembly factor 6-like superfamily	Homologous Superfamily
H [auth 4H]	IPR048280	Cytochrome oxidase c subunit VIb-like	Family
H [auth 4H]	IPR003213	Cytochrome c oxidase, subunit VIb	Family
I [auth 4I]	IPR037169	Mitochondrial cytochrome c oxidase subunit VIc/VIIs superfamily	Homologous Superfamily
I [auth 4I]	IPR034884	Mitochondrial cytochrome c oxidase subunit VIc/VIIs	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B [auth 4B]	FME	Parent Component: MET RESID: AA0021 , AA0566 PSI-MOD : N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891