3acb

X-ray diffraction
2.06Å resolution

Crystal structure of hypoxanthine-guanine phosphoribosyltransferase from Thermus thermophilus HB8

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-178212 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Hypoxanthine phosphoribosyltransferase Chain: A
Molecule details ›
Chain: A
Length: 181 amino acids
Theoretical weight: 20.19 KDa
Source organism: Thermus thermophilus HB8
Expression system: Escherichia coli
UniProt:
  • Canonical: Q5SLS3 (Residues: 1-181; Coverage: 100%)
Gene name: TTHA0220
Sequence domains: Phosphoribosyl transferase domain
Structure domains: Rossmann fold

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B1
Spacegroup: P6522
Unit cell:
a: 66.712Å b: 66.712Å c: 152.557Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.201 0.201 0.228
Expression system: Escherichia coli