Function and Biology Details
Reaction catalysed:
2 ubiquinol + O(2) + n H(+)(Side 1) = 2 ubiquinone + 2 H(2)O + n H(+)(Side 2)
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
- Cytochrome c oxidase subunit I
- Cytochrome c oxidase subunit III-like
- Cytochrome c oxidase subunit II-like C-terminal
- Cupredoxin
- Cytochrome C oxidase subunit II, transmembrane domain superfamily
- Cytochrome o ubiquinol oxidase subunit II
- Cytochrome c oxidase-like, subunit I superfamily
- Cytochrome C oxidase subunit IV, prokaryotes
13 more domains
Structure analysis Details
Assembly composition:
hetero tetramer (preferred)
Assembly name:
Cytochrome bo3 ubiquinol oxidase complex (preferred)
PDBe Complex ID:
PDB-CPX-142171 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Cytochrome bo(3) ubiquinol oxidase subunit 1
Molecule details ›
Chain: A
Length: 658 amino acids
Theoretical weight: 73.9 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
Sequence domains: Cytochrome C and Quinol oxidase polypeptide I
Length: 658 amino acids
Theoretical weight: 73.9 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
- Canonical:
P0ABI8 (Residues: 1-658; Coverage: 99%)
Sequence domains: Cytochrome C and Quinol oxidase polypeptide I
Cytochrome bo(3) ubiquinol oxidase subunit 2
Molecule details ›
Chain: B
Length: 260 amino acids
Theoretical weight: 28.84 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
Sequence domains:
Length: 260 amino acids
Theoretical weight: 28.84 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
- Canonical: P0ABJ1 (Residues: 24-283; Coverage: 89%)
Sequence domains:
Cytochrome bo(3) ubiquinol oxidase subunit 3
Molecule details ›
Chain: C
Length: 184 amino acids
Theoretical weight: 20.46 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
Sequence domains: Cytochrome c oxidase subunit III
Length: 184 amino acids
Theoretical weight: 20.46 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
- Canonical: P0ABJ3 (Residues: 21-204; Coverage: 90%)
Sequence domains: Cytochrome c oxidase subunit III
Cytochrome bo(3) ubiquinol oxidase subunit 4
Molecule details ›
Chain: D
Length: 96 amino acids
Theoretical weight: 10.66 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
Sequence domains: Prokaryotic Cytochrome C oxidase subunit IV
Length: 96 amino acids
Theoretical weight: 10.66 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
- Canonical: P0ABJ6 (Residues: 13-108; Coverage: 88%)
Sequence domains: Prokaryotic Cytochrome C oxidase subunit IV
