1non

X-ray diffraction
2.4Å resolution

PyrR, the regulator of the pyrimidine biosynthetic operon in Bacillus caldolyticus

Released:

Function and Biology Details

Reaction catalysed:
UMP + diphosphate = uracil + 5-phospho-alpha-D-ribose 1-diphosphate
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
PDBe Complex ID:
PDB-CPX-154229 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bifunctional protein PyrR Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 179 amino acids
Theoretical weight: 19.97 KDa
Source organism: [Bacillus] caldolyticus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P41007 (Residues: 1-179; Coverage: 100%)
Gene name: pyrR
Sequence domains: Phosphoribosyl transferase domain
Structure domains: Rossmann fold

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: C2
Unit cell:
a: 193.6Å b: 60.74Å c: 59.207Å
α: 90° β: 97.81° γ: 90°
R-values:
R R work R free
0.192 0.192 0.25
Expression system: Escherichia coli BL21(DE3)