PDBe 1q0k

X-ray diffraction
2.1Å resolution

Crystal structure of Ni-containing superoxide dismutase with Ni-ligation corresponding to the thiosulfate-reduced state


Function and Biology Details

Reaction catalysed:
2 superoxide + 2 H(+) = O(2) + H(2)O(2). 
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
Superoxide dismutase [Ni] Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 117 amino acids
Theoretical weight: 13.21 KDa
Source organism: Streptomyces seoulensis
  • Canonical: P80734 (Residues: 15-131; Coverage: 89%)
Gene name: sodN
Structure domains: Nickel-containing superoxide dismutase, NiSOD

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ELETTRA BEAMLINE 5.2R
Spacegroup: P212121
Unit cell:
a: 111.635Å b: 113.651Å c: 129.356Å
α: 90° β: 90° γ: 90°
R R work R free
0.204 0.204 0.238