› 1ma1

X-ray diffraction
2.6Å resolution

Structure and properties of the atypical iron superoxide dismutase from Methanobacterium thermoautotrophicum

Released:
DOI: 10.2210/pdb1ma1/pdb
PDB entry 1ma1 coloured by chain, front view.
PDB entry 1ma1 coloured by chain, side view.
PDB entry 1ma1 coloured by chain, top view.
Source organism: Methanothermobacter thermautotrophicus
Entry authors: Adams JJ, Anderson BF, Renault JP, Verchere-Beaur C, Morgenstern-Badarau I, Jameson GB

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 tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-148458 (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: 205 amino acids
Theoretical weight: 24.13 KDa
Source organism: Methanothermobacter thermautotrophicus
Expression system: Escherichia coli
UniProt:
  • Canonical: P18868 (Residues: 1-205; Coverage: 100%)
Gene names: MTH_160, sod
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
X-ray source: RIGAKU RU200HB
Spacegroup: C2
Unit cell:
a: 187.619Å b: 114.082Å c: 58.087Å
α: 90° β: 94.95° γ: 90°
R-values:
R R work R free
0.217 0.215 0.247
Expression system: Escherichia coli

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