Term Name:	pyrimidine-nucleoside phosphorylase activity
Synonyms:	Py-NPase activity, pyrimidine-nucleoside:phosphate alpha-D-ribosyltransferase activity
Definition:	Catalysis of the reaction: pyrimidine nucleoside + phosphate = pyrimidine + alpha-D-ribose 1-phosphate.
Ontology:	GO: Molecular Function [GO:0016154]    QuickGO    AmiGO