Reaction catalyzed by NAD+ ADP-ribosyltransferase (2.4.2.30)
NAD+
+
Rab5 protein
=
+
(ADP-D-ribosyl)-Rab5 protein
+
NAD+
+
Rab5 protein
=
nicotinamide
+
(ADP-D-ribosyl)-Rab5 protein
+
H+