2pby

X-ray diffraction
2.07Å resolution

Probable Glutaminase from Geobacillus kaustophilus HTA426

Released:
Entry authors: Dillard BD, Ebihara A, Shinkai A, Kuramitsu S, Yokoyama S, Rose JP, Wang B-C, RIKEN Structural Genomics/Proteomics Initiative (RSGI), Southeast Collaboratory for Structural Genomics (SECSG)

Function and Biology Details

Reaction catalysed:
L-glutamine + H(2)O = L-glutamate + NH(3)
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-177381 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Glutaminase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 308 amino acids
Theoretical weight: 33.81 KDa
Source organism: Geobacillus kaustophilus HTA426
Expression system: Escherichia coli
UniProt:
  • Canonical: Q5KY26 (Residues: 1-308; Coverage: 100%)
Gene names: GK2125, glsA
Sequence domains: Glutaminase
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P21
Unit cell:
a: 72.503Å b: 86.786Å c: 106.881Å
α: 90° β: 109.76° γ: 90°
R-values:
R R work R free
0.198 0.195 0.249
Expression system: Escherichia coli