Enzyme - EC 2.4.2.1 - Purine-nucleoside phosphorylase
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EC
2.4.2.1
Official Name
Purine-nucleoside phosphorylase
Alternative Name(s)
Inosine phosphorylase.
PNPase
PNPase
Class
2.Transferases
4.Glycosyltransferases
2.Pentosyltransferases
4.Glycosyltransferases
2.Pentosyltransferases
Catalysed reaction
Purine nucleoside + phosphate 
purine
+ a-D-ribose 1-P
purine
+ a-D-ribose 1-PSubstrates
Purine nucleoside
ortho-P
ortho-P
Products
Purine
a-D-Ribose 1-P
a-D-Ribose 1-P
Metabolic Pathways
Other comments
Specificity not completely determined. Can also catalyze ribosyltransferase reactions of the type catalyzed by EC 2.4.2.5.
Belongs to the same family of EC 2.4.2.3 and EC 2.4.2.28.
Reference