phosphoribosyl-AMP cyclohydrolase activity
Catalysis of the reaction: 1-(5-phosphonatoribosyl)-5'-AMP + H2O = 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide.
GO:0019238
cyclohydrolase activity
is_a
1-(5-phospho-D-ribosyl)-AMP 1,6-hydrolase activity
related
PRAMP-cyclohydrolase activity
related
phosphoribosyladenosine monophosphate cyclohydrolase activity
related
SPBC29A3.02c