1biq

X-ray diffraction
2.05Å resolution

Function and Biology Details

Reaction catalysed:
2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H(2)O = ribonucleoside diphosphate + thioredoxin

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-159693 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ribonucleoside-diphosphate reductase 1 subunit beta Chain: A
Molecule details ›
Chain: A
Length: 375 amino acids
Theoretical weight: 43.37 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P69924 (Residues: 2-376; Coverage: 100%)
Gene names: JW2229, b2235, ftsB, nrdB
Sequence domains: Ribonucleotide reductase, small chain
Structure domains: Ribonucleotide Reductase, subunit A
Ribonucleoside-diphosphate reductase 1 subunit beta Chain: B
Molecule details ›
Chain: B
Length: 375 amino acids
Theoretical weight: 43.35 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P69924 (Residues: 2-376; Coverage: 100%)
Gene names: JW2229, b2235, ftsB, nrdB
Sequence domains: Ribonucleotide reductase, small chain
Structure domains: Ribonucleotide Reductase, subunit A

Ligands and Environments

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX7.2
Spacegroup: P212121
Unit cell:
a: 74.053Å b: 83.78Å c: 113.953Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.192 0.191 0.26
Expression system: Escherichia coli