PDBe 1p4a

X-ray diffraction
2.22Å resolution

Crystal Structure of the PurR complexed with cPRPP

Source organism: Bacillus subtilis
Primary publication:
Functional dissection of the Bacillus subtilis pur operator site.
J. Bacteriol. 185 4099-109 (2003)
PMID: 12837784

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Pur operon repressor Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 285 amino acids
Theoretical weight: 31.26 KDa
Source organism: Bacillus subtilis
Expression system: Escherichia coli
  • Canonical: P37551 (Residues: 1-285; Coverage: 100%)
Gene names: BSU00470, purR, yabI
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-ID-B
Spacegroup: P21
Unit cell:
a: 58.371Å b: 135.718Å c: 82.071Å
α: 90° β: 95.1° γ: 90°
R R work R free
0.18 0.177 0.234
Expression system: Escherichia coli