Reaction catalyzed by NAD+ ADP-ribosyltransferase (2.4.2.30)

	NAD+	+		wild-type exoenzyme C3	=			+		(ADP-D-ribosyl)-wild-type exoenzyme C3
	NAD+	+		wild-type exoenzyme C3	=		nicotinamide	+		(ADP-D-ribosyl)-wild-type exoenzyme C3