4da0

X-ray diffraction
2.95Å resolution

Crystal structure of the hexameric purine nucleoside phosphorylase from Bacillus subtilis in complex with 2'-deoxyguanosine

Released:

Function and Biology Details

Reaction catalysed:
Purine deoxynucleoside + phosphate = purine + 2'-deoxy-alpha-D-ribose 1-phosphate
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
PDBe Complex ID:
PDB-CPX-128624 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Purine nucleoside phosphorylase DeoD-type Chain: A
Molecule details ›
Chain: A
Length: 253 amino acids
Theoretical weight: 27.56 KDa
Source organism: Bacillus subtilis
Expression system: Escherichia coli
UniProt:
  • Canonical: O34925 (Residues: 1-233; Coverage: 100%)
Gene names: BSU19630, deoD, punB
Sequence domains: Phosphorylase superfamily
Structure domains: Nucleoside phosphorylase domain

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: LNLS BEAMLINE W01B-MX2
Spacegroup: P6322
Unit cell:
a: 135.352Å b: 135.352Å c: 56.801Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.231 0.227 0.31
Expression system: Escherichia coli