3mk7

X-ray diffraction
3.2Å resolution

The structure of CBB3 cytochrome oxidase

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Cbb3-type cytochrome c oxidase subunit CcoN1 Chains: A, D, G, K
Molecule details ›
Chains: A, D, G, K
Length: 474 amino acids
Theoretical weight: 52.83 KDa
Source organism: Pseudomonas stutzeri
UniProt:
  • Canonical: D9IA43 (Residues: 1-474; Coverage: 100%)
Gene name: ccoN1
Sequence domains: Cytochrome C and Quinol oxidase polypeptide I
Structure domains: Cytochrome c oxidase-like, subunit I domain
Cytochrome c domain-containing protein Chains: B, E, H, L
Molecule details ›
Chains: B, E, H, L
Length: 203 amino acids
Theoretical weight: 22.84 KDa
Source organism: Pseudomonas stutzeri
UniProt:
  • Canonical: D9IA44 (Residues: 1-203; Coverage: 100%)
Gene names: CXK99_03610, ccoO, ccoO1
Sequence domains: Cytochrome C oxidase, mono-heme subunit/FixO
Structure domains:
Cbb3-type cytochrome c oxidase subunit CcoP1 Chains: C, F, I, M
Molecule details ›
Chains: C, F, I, M
Length: 311 amino acids
Theoretical weight: 33.69 KDa
Source organism: Pseudomonas stutzeri
UniProt:
  • Canonical: D9IA45 (Residues: 1-311; Coverage: 100%)
Gene name: ccoP1
Sequence domains:
Structure domains:
30-mer peptide Chains: U, X, Y, Z
Molecule details ›
Chains: U, X, Y, Z
Length: 30 amino acids
Theoretical weight: 2.57 KDa
Source organism: Pseudomonas stutzeri

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P21212
Unit cell:
a: 136.475Å b: 279.933Å c: 175.192Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.191 0.189 0.223