Term Name:	uracil phosphoribosyltransferase activity
Synonyms:	UMP diphosphorylase activity, UMP pyrophosphorylase activity, UMP:diphosphate phospho-alpha-D-ribosyltransferase activity, UMP:pyrophosphate phosphoribosyltransferase activity, UPRTase activity, uridine 5'-phosphate pyrophosphorylase activity, uridine monophosphate pyrophosphorylase activity, uridylate pyrophosphorylase activity, uridylic pyrophosphorylase activity
Definition:	Catalysis of the reaction: diphosphate + UMP = 5-phospho-alpha-D-ribose 1-diphosphate + uracil.
Ontology:	GO: Molecular Function [GO:0004845]    QuickGO    AmiGO