› 1b06

X-ray diffraction
2.2Å resolution

SUPEROXIDE DISMUTASE FROM SULFOLOBUS ACIDOCALDARIUS

Released:
DOI: 10.2210/pdb1b06/pdb
PDB entry 1b06 coloured by chain, front view.
PDB entry 1b06 coloured by chain, side view.
PDB entry 1b06 coloured by chain, top view.
Source organism: Sulfolobus acidocaldarius DSM 639
Primary publication:
Refined crystal structure of a superoxide dismutase from the hyperthermophilic archaeon Sulfolobus acidocaldarius at 2.2 A resolution.
Knapp S, Kardinahl S, Hellgren N, Tibbelin G, Schäfer G, Ladenstein R
J Mol Biol 285 689-702 (1999)
PMID: 9878438

Function and Biology Details

Reaction catalysed: 
2 superoxide + 2 H(+) = O(2) + H(2)O(2)
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-170680 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Superoxide dismutase [Fe] Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 210 amino acids
Theoretical weight: 24.17 KDa
Source organism: Sulfolobus acidocaldarius DSM 639
UniProt:
  • Canonical: Q08713 (Residues: 2-211; Coverage: 100%)
Gene names: Saci_0195, sod, sodF
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand FE 6 x FE
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: C2
Unit cell:
a: 168.1Å b: 91.3Å c: 85.7Å
α: 90° β: 91.4° γ: 90°
R-values:
R R work R free
0.174 0.174 0.223

Quick links

Citations

4 review citations

Hyperthermophilic enzymes: sources, uses, and molecular mechanisms for thermostability.
Vieille et al. (2001)
3 more

7 mentions without citation

Molecular evolution of shattering loci in U.S. weedy rice.
Thurber et al. (2010)
6 more