Term Name:	5-phosphoribosyl 1-pyrophosphate pyrophosphatase activity
Synonyms:	PRPP pyrophosphatase activity
Definition:	Catalysis of the reaction: 5-phospho-alpha-D-ribose 1-diphosphate + H2O = ribose 1,5 bisphosphate + phosphate + H+.
Ontology:	GO: Molecular Function [GO:0043135]    QuickGO    AmiGO