PDBe 2yev

X-ray diffraction
2.36Å resolution

Structure of caa3-type cytochrome oxidase

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Cytochrome c oxidase subunit 2 Chains: B, E
Molecule details ›
Chains: B, E
Length: 337 amino acids
Theoretical weight: 37.39 KDa
Source organism: Thermus thermophilus HB8
UniProt:
  • Canonical: Q5SLI2 (Residues: 1-337; Coverage: 100%)
Gene name: TTHA0311
Sequence domains:
Structure domains: Helix Hairpins
Cytochrome c oxidase polypeptide I+III Chains: A, D
Molecule details ›
Chains: A, D
Length: 791 amino acids
Theoretical weight: 89.28 KDa
Source organism: Thermus thermophilus HB8
UniProt:
  • Canonical: P98005 (Residues: 1-791; Coverage: 100%)
Gene names: TTHA0312, caaA, ctaD
Sequence domains:
Structure domains:
CAA3-TYPE CYTOCHROME OXIDASE SUBUNIT IV Chains: C, F
Molecule details ›
Chains: C, F
Length: 66 amino acids
Theoretical weight: 7.35 KDa
Source organism: Thermus thermophilus HB8
UniProt:
  • Canonical: Q5SH67 (Residues: 1-66; Coverage: 100%)
Gene name: TTHA1863

Ligands and Environments

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B, DIAMOND BEAMLINE I24
Unit cell:
a: 127.25Å b: 76.03Å c: 300.267Å
α: 90° β: 92.21° γ: 90°
R-values:
R R work R free
0.174 0.171 0.218