X-ray diffraction
2.4Å resolution

Function and Biology Details

Reactions catalysed:
UTP + N-acetyl-alpha-D-glucosamine 1-phosphate = diphosphate + UDP-N-acetyl-alpha-D-glucosamine
UTP + N-acetyl-alpha-D-galactosamine 1-phosphate = diphosphate + UDP-N-acetyl-alpha-D-galactosamine
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
UDP-N-acetylhexosamine pyrophosphorylase Chains: A, B
Molecule details ›
Chains: A, B
Length: 522 amino acids
Theoretical weight: 58.84 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: Q16222 (Residues: 1-522; Coverage: 100%)
Gene names: SPAG2, UAP1
Sequence domains: UTP--glucose-1-phosphate uridylyltransferase
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-3
Spacegroup: P21
Unit cell:
a: 86.543Å b: 71.281Å c: 91.39Å
α: 90° β: 92.82° γ: 90°
R R work R free
0.193 0.193 0.251
Expression system: Escherichia coli