PDBe 1z7n

X-ray diffraction
3.25Å resolution

ATP Phosphoribosyl transferase (HisZG ATP-PRTase) from Lactococcus lactis with bound PRPP substrate

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
ATP phosphoribosyltransferase regulatory subunit Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 344 amino acids
Theoretical weight: 39.85 KDa
Source organism: Lactococcus lactis
Expression system: Escherichia coli
UniProt:
  • Canonical: Q02147 (Residues: 1-328; Coverage: 100%)
Gene names: L0341, LL1207, hisZ
Sequence domains: Histidyl-tRNA synthetase
Structure domains: Bira Bifunctional Protein; Domain 2
ATP phosphoribosyltransferase Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 208 amino acids
Theoretical weight: 23.71 KDa
Source organism: Lactococcus lactis
Expression system: Escherichia coli
UniProt:
  • Canonical: Q02129 (Residues: 1-208; Coverage: 100%)
Gene names: L0066, LL1208, hisG
Sequence domains: ATP phosphoribosyltransferase
Structure domains: Periplasmic binding protein-like II

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P21212
Unit cell:
a: 151.684Å b: 222.936Å c: 86.38Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.298 0.247 0.301
Expression system: Escherichia coli