page_title: Purine nucleoside phosphorylase
hierarchical_section_title: Purine nucleoside phosphorylase
caption_attribution_description: English: Human purine nucleoside phosphorylase PDB1rct
context_page_description: Purine nucleoside phosphorylase also known as PNPase and inosine phosphorylase is an enzyme that in humans is encoded by the NP gene.
  In enzymology, a purine-nucleoside phosphorylase is an enzyme that catalyzes the chemical reaction
  purine nucleoside + phosphate purine + alpha-D-ribose 1-phosphate
  Thus, the two substrates of this enzyme are purine nucleoside and phosphate, whereas its two products are purine and alpha-D-ribose 1-phosphate.
context_section_description: Purine nucleoside phosphorylase (PNP) also known as PNPase and inosine phosphorylase is an enzyme that in humans is encoded by the NP gene.
  In enzymology, a purine-nucleoside phosphorylase (EC 2.4.2.1) is an enzyme that catalyzes the chemical reaction
  purine nucleoside + phosphate  purine + alpha-D-ribose 1-phosphate
  Thus, the two substrates of this enzyme are purine nucleoside and phosphate, whereas its two products are purine and alpha-D-ribose 1-phosphate.
caption: purine-nucleoside phosphorylase. PDB 1rct.[1]
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