› 6f6g

X-ray diffraction
1.99Å resolution

R2-like ligand-binding oxidase V72I mutant with anaerobically reconstituted Mn/Fe cofactor

Released:
DOI: 10.2210/pdb6f6g/pdb
PDB entry 6f6g coloured by chain, front view.
PDB entry 6f6g coloured by chain, side view.
PDB entry 6f6g coloured by chain, top view.
Source organism: Geobacillus kaustophilus HTA426
Primary publication:
Ether cross-link formation in the R2-like ligand-binding oxidase.
Griese JJ, Branca RMM, Srinivas V, Högbom M
J Biol Inorg Chem 23 879-886 (2018)
PMID: 29946980

Function and Biology Details

Reaction catalysed: 
2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H(2)O = ribonucleoside diphosphate + thioredoxin
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-177364 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
R2-like ligand binding oxidase Chains: A, B
Molecule details ›
Chains: A, B
Length: 316 amino acids
Theoretical weight: 36.98 KDa
Source organism: Geobacillus kaustophilus HTA426
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q5KW80 (Residues: 1-302; Coverage: 100%)
Gene name: GK2771
Sequence domains: Ribonucleotide reductase, small chain
Structure domains: Ribonucleotide Reductase, subunit A

Ligands and Environments

3 bound ligands:
Ligand MN 2 x MN
Ligand FE2 4 x FE2
Ligand PLM 2 x PLM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P21212
Unit cell:
a: 127.988Å b: 98.467Å c: 55.862Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.195 0.193 0.24
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

4 citation in other articles

Key Structural Motifs Balance Metal Binding and Oxidative Reactivity in a Heterobimetallic Mn/Fe Protein.
Kisgeropoulos et al. (2020)
3 more