X-ray diffraction
2.5Å resolution

Human GMP synthetase in complex with XMP


Function and Biology Details

Reaction catalysed:
(1a) L-glutamine + H(2)O = L-glutamate + NH(4)(+)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
GMP synthase [glutamine-hydrolyzing] Chains: A, B
Molecule details ›
Chains: A, B
Length: 697 amino acids
Theoretical weight: 77.57 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P49915 (Residues: 20-693; Coverage: 97%)
Gene name: GMPS
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.2
Spacegroup: P212121
Unit cell:
a: 98.52Å b: 123.42Å c: 127.96Å
α: 90° β: 90° γ: 90°
R R work R free
0.206 0.203 0.256
Expression system: Escherichia coli BL21(DE3)