3a4i

X-ray diffraction
1.79Å resolution

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)
PDBe Complex ID:
PDB-CPX-129803 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
GMP synthase [glutamine-hydrolyzing] subunit B Chains: A, B
Molecule details ›
Chains: A, B
Length: 308 amino acids
Theoretical weight: 34.61 KDa
Source organism: Pyrococcus horikoshii
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O59072 (Residues: 1-308; Coverage: 100%)
Gene names: PH1347, guaAB
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE AR-NW12A
Spacegroup: P212121
Unit cell:
a: 69.903Å b: 82.212Å c: 111.565Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.212 0.21 0.246
Expression system: Escherichia coli BL21(DE3)