X-ray diffraction
1.8Å resolution

Crystal Structure of the DNA binding domain of E.coli FUR (Ferric Uptake Regulator)


Function and Biology Details

Structure analysis Details

Assemblies composition:
homo dimer
homo tetramer
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Ferric uptake regulation protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 83 amino acids
Theoretical weight: 9.35 KDa
Source organism: Escherichia coli BL21
Expression system: Escherichia coli BL21
  • Canonical: P0A9A9 (Residues: 1-83; Coverage: 56%)
Gene names: JW0669, b0683, fur
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM30A
Spacegroup: P21212
Unit cell:
a: 38.5Å b: 159.27Å c: 28.65Å
α: 90° β: 90° γ: 90°
R R work R free
0.174 0.172 0.215
Expression system: Escherichia coli BL21