PDBe 3eh5

X-ray diffraction
2.8Å resolution

Structure of the reduced form of cytochrome ba3 oxidase from Thermus thermophilus

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero trimer (preferred)
monomeric
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Cytochrome c oxidase subunit 1 Chain: A
Molecule details ›
Chain: A
Length: 618 amino acids
Theoretical weight: 68.99 KDa
Source organism: Thermus thermophilus HB8
Expression system: Thermus thermophilus
UniProt:
  • Canonical: Q5SJ79 (Residues: 2-562; Coverage: 100%)
Gene names: TTHA1135, cbaA
Sequence domains: Cytochrome C and Quinol oxidase polypeptide I
Structure domains: Cytochrome C Oxidase, chain A
Cytochrome c oxidase subunit 2 Chain: B
Molecule details ›
Chain: B
Length: 166 amino acids
Theoretical weight: 18.35 KDa
Source organism: Thermus thermophilus HB8
Expression system: Thermus thermophilus
UniProt:
  • Canonical: Q5SJ80 (Residues: 3-168; Coverage: 99%)
Gene names: TTHA1134, cbaB, ctaC
Sequence domains:
Structure domains:
Cytochrome c oxidase polypeptide 2A Chain: C
Molecule details ›
Chain: C
Length: 33 amino acids
Theoretical weight: 3.64 KDa
Source organism: Thermus thermophilus HB8
Expression system: Thermus thermophilus
UniProt:
  • Canonical: P82543 (Residues: 2-34; Coverage: 97%)
Gene names: TTHA1133, cbaD
Sequence domains: Cytochrome c oxidase subunit IIa family

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P41212
Unit cell:
a: 115.631Å b: 115.631Å c: 149.169Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.197 0.257
Expression system: Thermus thermophilus