Term Name:	phosphoribosyl-ATP diphosphatase activity
Synonyms:	1-(5-phosphoribosyl)-ATP diphosphohydrolase activity, phosphoribosyl-ATP pyrophosphatase activity, phosphoribosyladenosine triphosphate pyrophosphatase activity
Definition:	Catalysis of the reaction: 1-(5-phospho-D-ribosyl)-ATP + H2O = 1-(5-phosphonatoribosyl)-5'-AMP + diphosphate + H+.
Ontology:	GO: Molecular Function [GO:0004636]    QuickGO    AmiGO