4dlk

X-ray diffraction
2.02Å resolution

Crystal Structure of ATP-Ca++ complex of purK: N5-carboxyaminoimidazole ribonucleotide synthetase

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-105720 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
N5-carboxyaminoimidazole ribonucleotide synthase Chains: A, B
Molecule details ›
Chains: A, B
Length: 380 amino acids
Theoretical weight: 42.22 KDa
Source organism: Bacillus anthracis str. A0248
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A6L8P0X7 (Residues: 1-380; Coverage: 99%)
Gene names: GBAA_0289, purK
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P212121
Unit cell:
a: 57.368Å b: 84.476Å c: 167.269Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.198 0.235
Expression system: Escherichia coli