› 6gq8

X-ray diffraction
1.9Å resolution

Superoxide reductase from Nanoarchaeum equitans

Released:
DOI: 10.2210/pdb6gq8/pdb
PDB entry 6gq8 coloured by chain, front view.
PDB entry 6gq8 coloured by chain, side view.
PDB entry 6gq8 coloured by chain, top view.
Source organism: Nanoarchaeum equitans Kin4-M
Primary publication:
Insights into the Structures of Superoxide Reductases from the Symbionts Ignicoccus hospitalis and Nanoarchaeum equitans.
Romão CV, Matias PM, Sousa CM, Pinho FG, Pinto AF, Teixeira M, Bandeiras TM
Biochemistry 57 5271-5281 (2018)
PMID: 29939726

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181077 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Desulfoferrodoxin ferrous iron-binding domain-containing protein Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 109 amino acids
Theoretical weight: 12.74 KDa
Source organism: Nanoarchaeum equitans Kin4-M
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q74MF3 (Residues: 1-109; Coverage: 100%)
Gene name: NEQ011
Sequence domains: Desulfoferrodoxin
Structure domains: SOR catalytic domain

Ligands and Environments

1 bound ligand:
Ligand FE 4 x FE
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: P212121
Unit cell:
a: 51.88Å b: 82.01Å c: 91.3Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.208 0.206 0.24
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

2 citation in other articles

Igni18, a novel metallo-hydrolase from the hyperthermophilic archaeon Ignicoccus hospitalis KIN4/I: cloning, expression, purification and X-ray analysis.
Kobus et al. (2019)
1 more