› 7azq

X-ray diffraction
2Å resolution

Crystal structure of the iron/manganese cambialistic superoxide dismutase from Rhodobacter capsulatus complex with Fe

Released:
DOI: 10.2210/pdb7azq/pdb
PDB entry 7azq coloured by chain, front view.
PDB entry 7azq coloured by chain, side view.
PDB entry 7azq coloured by chain, top view.
Source organism: Rhodobacter capsulatus
Entry authors: Ponce-Salvatierra A, Hermoso JA

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-128264 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Superoxide dismutase [Fe] Chains: A, E
Molecule details ›
Chains: A, E
Length: 199 amino acids
Theoretical weight: 22.02 KDa
Source organism: Rhodobacter capsulatus
Expression system: Escherichia coli
UniProt:
  • Canonical: O30970 (Residues: 2-200; Coverage: 100%)
Gene names: sod, sodB
Sequence domains:

Ligands and Environments

2 bound ligands:
Ligand FE 2 x FE
Ligand CA 1 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P41212
Unit cell:
a: 162.79Å b: 162.79Å c: 43.84Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.17 0.169 0.188
Expression system: Escherichia coli

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