› 1my6

X-ray diffraction
1.6Å resolution

The 1.6 A Structure of Fe-Superoxide Dismutase from the thermophilic cyanobacterium Thermosynechococcus elongatus : Correlation of EPR and Structural Characteristics

Released:
DOI: 10.2210/pdb1my6/pdb
PDB entry 1my6 coloured by chain, front view.
PDB entry 1my6 coloured by chain, side view.
PDB entry 1my6 coloured by chain, top view.
Source organism: Thermosynechococcus vestitus
Primary publication:
The 1.6 A resolution structure of Fe-superoxide dismutase from the thermophilic cyanobacterium Thermosynechococcus elongatus.
Kerfeld CA, Yoshida S, Tran KT, Yeates TO, Cascio D, Bottin H, Berthomieu C, Sugiura M, Boussac A
J Biol Inorg Chem 8 707-14 (2003)
PMID: 12827458

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 domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-184070 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Superoxide dismutase Chains: A, B
Molecule details ›
Chains: A, B
Length: 199 amino acids
Theoretical weight: 22.11 KDa
Source organism: Thermosynechococcus vestitus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8DIR2 (Residues: 2-200; Coverage: 100%)
Gene name: sodB
Sequence domains:

Ligands and Environments

1 bound ligand:
Ligand FE 2 x FE
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X8C
Spacegroup: P21
Unit cell:
a: 51.749Å b: 63.644Å c: 74.709Å
α: 90° β: 110.45° γ: 90°
R-values:
R R work R free
0.196 0.194 0.232
Expression system: Escherichia coli

Quick links

Citations

1 review citation

Superoxide dismutases: active sites that save, but a protein that kills.
Miller AF. (2004)
15 other articles

3 mentions without citation

Comparative analysis of cyanobacterial superoxide dismutases to discriminate canonical forms.
Priya et al. (2007)
2 more