Purine-Nucleoside Phosphorylase

Nicotinamide Riboside Phosphorylase; Purine Nucleoside Phosphorylases; Nucleoside Phosphorylases, Purine; Phosphorylase, Inosine; Phosphorylase, Nicotinamide Riboside; Phosphorylase, Purine-Nucleoside; Phosphorylases, Purine Nucleoside
An enzyme that catalyzes the reaction between a purine nucleoside and orthophosphate to form a free purine plus ribose-5-phosphate. EC 2.4.2.1.