Reaction catalyzed by NAD+ glycohydrolase (3.2.2.5), ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase (3.2.2.6)
+
H2O
=
+
+
1,N6-etheno NAD+
+
H2O
=
epsilon-ADP-ribose
+
nicotinamide
+
H+
