Reaction catalyzed by nucleotide diphosphatase (3.6.1.9), ADP-sugar diphosphatase (3.6.1.21), UDP-sugar diphosphatase (3.6.1.45)
+
H2O
=
AMP
+
ADP-ribose
+
H2O
=
AMP
+
alpha-D-ribose 1-phosphate