2v9y

X-ray diffraction
2.1Å resolution

Human aminoimidazole ribonucleotide synthetase

Released:
Source organism: Homo sapiens

Function and Biology Details

Reactions catalysed:
10-formyltetrahydrofolate + N(1)-(5-phospho-D-ribosyl)glycinamide = tetrahydrofolate + N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide
ATP + 2-(formamido)-N(1)-(5-phospho-D-ribosyl)acetamidine = ADP + phosphate + 5-amino-1-(5-phospho-D-ribosyl)imidazole
ATP + 5-phospho-D-ribosylamine + glycine = ADP + phosphate + N(1)-(5-phospho-D-ribosyl)glycinamide
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-149523 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Trifunctional purine biosynthetic protein adenosine-3 Chains: A, B
Molecule details ›
Chains: A, B
Length: 334 amino acids
Theoretical weight: 35.83 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P22102 (Residues: 467-794; Coverage: 33%)
Gene names: GART, PGFT, PRGS
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.1
Spacegroup: P21212
Unit cell:
a: 80.67Å b: 80.99Å c: 98.33Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.194 0.191 0.24
Expression system: Escherichia coli BL21(DE3)