PDBe 3gb9

X-ray diffraction
2.3Å resolution

Human purine nucleoside phosphorylase double mutant E201Q,N243D complexed with 2-fluoroadenine

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Purine nucleoside phosphorylase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 311 amino acids
Theoretical weight: 34.4 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P00491 (Residues: 1-289; Coverage: 100%)
Gene names: NP, PNP
Sequence domains: Phosphorylase superfamily
Structure domains: Rossmann fold

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P212121
Unit cell:
a: 71.791Å b: 130.648Å c: 149.177Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.186 0.184 0.227
Expression system: Escherichia coli