1wkq

X-ray diffraction
1.17Å resolution

Crystal Structure of Bacillus subtilis Guanine Deaminase. The first domain-swapped structure in the cytidine deaminase superfamily

Released:

Function and Biology Details

Reaction catalysed:
Guanine + H(2)O = xanthine + NH(3)
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-128563 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Guanine deaminase Chains: A, B
Molecule details ›
Chains: A, B
Length: 164 amino acids
Theoretical weight: 18.21 KDa
Source organism: Bacillus subtilis
Expression system: Escherichia coli
UniProt:
  • Canonical: O34598 (Residues: 1-156; Coverage: 100%)
Gene names: BSU13170, gde, guaD
Sequence domains: Cytidine and deoxycytidylate deaminase zinc-binding region
Structure domains: Cytidine Deaminase, domain 2

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL12B2
Spacegroup: C2221
Unit cell:
a: 81.566Å b: 91.267Å c: 80.481Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.161 0.161 0.177
Expression system: Escherichia coli