› 4bff

X-ray diffraction
2Å resolution

Superoxide reductase (Neelaredoxin) from Archaeoglobus fulgidus in the reduced form

Released:
DOI: 10.2210/pdb4bff/pdb
PDB entry 4bff coloured by chain, front view.
PDB entry 4bff coloured by chain, side view.
PDB entry 4bff coloured by chain, top view.
Source organism: Archaeoglobus fulgidus
Entry authors: Bandeiras TM, Rodrigues JV, Sousa CM, Barradas AR, Pinho FG, Pinto AF, Teixeira M, Matias PM, Romao CV

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-128190 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Putative superoxide reductase Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P
Length: 125 amino acids
Theoretical weight: 13.71 KDa
Source organism: Archaeoglobus fulgidus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O29903 (Residues: 1-125; Coverage: 100%)
Gene name: AF_0344
Sequence domains: Desulfoferrodoxin
Structure domains: SOR catalytic domain

Ligands and Environments

1 bound ligand:
Ligand FE2 16 x FE2
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P21
Unit cell:
a: 99.324Å b: 100.23Å c: 109.681Å
α: 90° β: 90.11° γ: 90°
R-values:
R R work R free
0.208 0.206 0.254
Expression system: Escherichia coli BL21(DE3)

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