1g2q

X-ray diffraction
1.5Å resolution

CRYSTAL STRUCTURE OF ADENINE PHOSPHORIBOSYLTRANSFERASE

Released:

Function and Biology Details

Reaction catalysed:
AMP + diphosphate = adenine + 5-phospho-alpha-D-ribose 1-diphosphate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Adenine phosphoribosyltransferase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 187 amino acids
Theoretical weight: 20.62 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P49435 (Residues: 1-187; Coverage: 100%)
Gene names: APT1, YML022W
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: NSLS BEAMLINE X9B
Spacegroup: P1
Unit cell:
a: 42.661Å b: 45.767Å c: 53.883Å
α: 95.694° β: 108.403° γ: 109.585°
R-values:
R R work R free
0.202 0.199 0.225
Expression system: Escherichia coli