Term Name: purine-nucleoside phosphorylase activity
Synonyms: inosine phosphorylase activity, inosine-guanosine phosphorylase activity, PNPase activity, PUNPI, PUNPII, purine deoxynucleoside phosphorylase activity, purine deoxyribonucleoside phosphorylase activity, purine nucleoside phosphorylase activity, purine ribonucleoside phosphorylase activity, purine-nucleoside:phosphate ribosyltransferase activity
Definition: Catalysis of the reaction: purine nucleoside + phosphate = purine + alpha-D-ribose 1-phosphate.
Ontology: GO: Molecular Function [GO:0004731]    QuickGO    AmiGO

Relationships
is a type of: pentosyltransferase activity
has subtype: S-methyl-5-thioadenosine phosphorylase activity