8IUJ

Cryo-EM structure of Euglena gracilis super-complex III2+IV2, composite

External Resource: Annotation

Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth QA], G [auth Qa]	MPP-beta	-	-	-
CA [auth 4H], P [auth 4h]	COXEG8	-	-	-
DA [auth 4J], Q [auth 4j]	COXEG10	-	-	-
EA [auth 5C], R [auth 5c]	COX5c	-	-	-
LA [auth 6A], S [auth 6a]	COX6a	-	-	-
FA [auth 6B], T [auth 6b]	COX6b-1	-	-	-
GA [auth 7C], U [auth 7c]	COX7c	-	-	-
HA [auth C1], V [auth c1]	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 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 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 respirasome
IA [auth C2], W [auth c2]	Cytochrome c oxidase subunit 2	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity 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	-	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 respirasome
JA [auth C3], X [auth c3]	Putative NADH dehydrogenase subunit 6	electron transfer activity	-	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane
KA [auth DC], Y [auth dc]	COX4	-	-	-
B [auth QC], H [auth Qc]	Cytochrome b	electron transfer activity cation binding ion binding binding metal ion binding small molecule binding	cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy	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 respirasome
MA [auth QE], NA [auth Qe]	UQCRFS1	-	-	-
OA [auth QF], SA [auth Qf]	UQCRH	-	-	-
PA [auth QG], TA [auth Qg]	UQCRB	-	-	-
QA [auth QI], UA [auth Qi]	UQCR9	-	-	-
RA [auth Qb], VA [auth QB]	Ubiquinol-cytochrome-c reductase complex core protein 2, mitochondrial	cation binding ion binding binding metal ion binding small molecule binding	-	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 respirasome
GB [auth 5b], WA [auth 5B]	COX5b-2	-	-	-
CB [auth 4d], XA [auth 4D]	COXEG4	-	-	-
DB [auth 4f], YA [auth 4F]	COXEG6	-	-	-
EB [auth 4g], ZA [auth 4G]	COXEG7	-	-	-
AB [auth 4I], FB [auth 4i]	COXEG9	-	-	-
C [auth QD], I [auth Qd]	Cytochrome c1, heme protein	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	-	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 respirasome
BB [auth 7a], HB [auth 7A]	COX7a	-	-	-
D [auth QH], J [auth Qh]	UQCRQ	-	-	-
E [auth QJ], K [auth Qj]	UQCR10	-	-	-
F [auth QK], L [auth Qk]	Ubiquinol-cytochrome-C reductase complex subunit IX, mitochondrial	-	-	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 respirasome
M [auth 4a], Z [auth 4A]	COXEG1	-	-	-
AA [auth 4C], N [auth 4c]	COXEG3	-	-	-
BA [auth 4E], O [auth 4e]	COXEG5	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
HA [auth C1], V [auth c1]	IPR036927	Cytochrome c oxidase-like, subunit I superfamily	Homologous Superfamily
HA [auth C1], V [auth c1]	IPR000883	Cytochrome c oxidase subunit I	Family
HA [auth C1], V [auth c1]	IPR023615	Cytochrome c oxidase, subunit I, copper-binding site	Binding Site
HA [auth C1], V [auth c1]	IPR023616	Cytochrome c oxidase-like, subunit I domain	Domain
IA [auth C2], W [auth c2]	IPR002429	Cytochrome c oxidase subunit II-like C-terminal	Domain
IA [auth C2], W [auth c2]	IPR011759	Cytochrome C oxidase subunit II, transmembrane domain	Domain
IA [auth C2], W [auth c2]	IPR036257	Cytochrome C oxidase subunit II, transmembrane domain superfamily	Homologous Superfamily
IA [auth C2], W [auth c2]	IPR008972	Cupredoxin	Homologous Superfamily
IA [auth C2], W [auth c2]	IPR001505	Copper centre Cu(A)	Binding Site
IA [auth C2], W [auth c2]	IPR045187	Cytochrome c/quinol oxidase subunit II	Family
JA [auth C3], X [auth c3]	IPR035973	Cytochrome c oxidase subunit III-like superfamily	Homologous Superfamily
B [auth QC], H [auth Qc]	IPR036150	Cytochrome b/b6, C-terminal domain superfamily	Homologous Superfamily
B [auth QC], H [auth Qc]	IPR027387	Cytochrome b/b6-like domain superfamily	Homologous Superfamily
B [auth QC], H [auth Qc]	IPR016174	Di-haem cytochrome, transmembrane	Homologous Superfamily
B [auth QC], H [auth Qc]	IPR005798	Cytochrome b/b6, C-terminal	Domain
B [auth QC], H [auth Qc]	IPR005797	Cytochrome b/b6, N-terminal domain	Domain
RA [auth Qb], VA [auth QB]	IPR011765	Peptidase M16, N-terminal	Domain
RA [auth Qb], VA [auth QB]	IPR011249	Metalloenzyme, LuxS/M16 peptidase-like	Homologous Superfamily
C [auth QD], I [auth Qd]	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
C [auth QD], I [auth Qd]	IPR002326	Cytochrome c1	Family
C [auth QD], I [auth Qd]	IPR021157	Cytochrome c1, transmembrane anchor, C-terminal	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.

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8IUJ

Cryo-EM structure of Euglena gracilis super-complex III2+IV2, composite

External Resource: Annotation

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage