6apv

X-ray diffraction
1.99Å resolution

Trypanosoma brucei hypoxanthine guanine phosphoribosyltransferase in complex with [(2-{[2-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)ethyl][(E)-2-phosphonoethenyl]amino}ethoxy)methyl]phosphonic acid

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-170435 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Hypoxanthine-guanine phosphoribosyltransferase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 216 amino acids
Theoretical weight: 24.22 KDa
Source organism: Trypanosoma brucei brucei
Expression system: Escherichia coli
UniProt:
  • Canonical: Q07010 (Residues: 1-210; Coverage: 100%)
Gene name: HGPRT
Sequence domains: Phosphoribosyl transferase domain
Structure domains: Rossmann fold

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX1
Unit cell:
a: 89.48Å b: 94.555Å c: 109.692Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.165 0.164 0.198
Expression system: Escherichia coli