Reaction catalyzed by NAD+ ADP-ribosyltransferase (2.4.2.30)
NAD+
+
(ADP-D-ribosyl)n-p21ras
=
+
(ADP-D-ribosyl)n+1-p21ras
NAD+
+
(ADP-D-ribosyl)n-p21ras
=
nicotinamide
+
(ADP-D-ribosyl)n+1-p21ras