1z7g

X-ray diffraction
1.9Å resolution

Function and Biology Details

Reaction catalysed:
IMP + diphosphate = hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
PDBe Complex ID:
PDB-CPX-132564 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Hypoxanthine-guanine phosphoribosyltransferase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 217 amino acids
Theoretical weight: 24.48 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P00492 (Residues: 2-218; Coverage: 100%)
Gene names: HPRT, HPRT1
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 FR-E
Spacegroup: C2
Unit cell:
a: 149.57Å b: 51.8Å c: 117.52Å
α: 90° β: 105.8° γ: 90°
R-values:
R R work R free
0.225 0.213 0.254
Expression system: Escherichia coli