Purine Nucleoside Phosphorylase

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Purine nucleoside phosphorylase (289 aa, ~32 kDa) is encoded by the human PNP gene. This protein plays a role in purine metabolism.

**Synonyms:** - EC 2.4.2.1 - Inosine-Guanosine Phosphorylase - NP - Nucleoside Phosphorylase - PNP - PNP Human - Purine-Nucleoside:Orthophosphate Ribosyltransferase