Reaction catalyzed by NAD+ ADP-ribosyltransferase (2.4.2.30)
NAD+
+
Ras GTPase
=
+
(ADP-D-ribosyl)-Ras GTPase
NAD+
+
Ras GTPase
=
nicotinamide
+
(ADP-D-ribosyl)-Ras GTPase