1q1g

X-ray diffraction
2.02Å resolution

Crystal structure of Plasmodium falciparum PNP with 5'-methylthio-immucillin-H

Released:

Function and Biology Details

Reactions catalysed:
Purine deoxynucleoside + phosphate = purine + 2'-deoxy-alpha-D-ribose 1-phosphate
S-methyl-5'-thioinosine + phosphate = hypoxanthine + S-methyl-5-thio-alpha-D-ribose 1-phosphate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
PDBe Complex ID:
PDB-CPX-184666 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Purine nucleoside phosphorylase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 276 amino acids
Theoretical weight: 30.5 KDa
Source organism: Plasmodium falciparum 3D7
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8I3X4 (Residues: 2-245; Coverage: 100%)
Gene names: PF3D7_0513300, PNP
Sequence domains: Phosphorylase superfamily
Structure domains: Nucleoside phosphorylase domain

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P212121
Unit cell:
a: 86.443Å b: 91.733Å c: 238.939Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.214 0.211 0.242
Expression system: Escherichia coli