› 3cei

X-ray diffraction
2.4Å resolution

Crystal Structure of Superoxide Dismutase from Helicobacter pylori

Released:
DOI: 10.2210/pdb3cei/pdb
PDB entry 3cei coloured by chain, front view.
PDB entry 3cei coloured by chain, side view.
PDB entry 3cei coloured by chain, top view.
Source organism: Helicobacter pylori
Primary publication:
The crystal structure of the superoxide dismutase from Helicobacter pylori reveals a structured C-terminal extension.
Esposito L, Seydel A, Aiello R, Sorrentino G, Cendron L, Zanotti G, Zagari A
Biochim Biophys Acta 1784 1601-6 (2008)
PMID: 18502213

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-155024 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Superoxide dismutase [Fe] Chains: A, B
Molecule details ›
Chains: A, B
Length: 213 amino acids
Theoretical weight: 24.55 KDa
Source organism: Helicobacter pylori
Expression system: Escherichia coli
UniProt:
  • Canonical: P43312 (Residues: 1-212; Coverage: 100%)
Gene names: HP_0389, sodB
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
Ligand FE 2 x FE
Ligand SO4 1 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: P6322
Unit cell:
a: 108.716Å b: 108.716Å c: 158.031Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.201 0.201 0.254
Expression system: Escherichia coli

Quick links

Citations

4 review citations

Superoxide dismutases: ancient enzymes and new insights.
Miller AF. (2012)
3 more

3 mentions without citation

Structural and functional aspects of the Helicobacter pylori secretome.
Zanotti et al. (2014)
2 more