. "Catalysis of the reaction: NAD(P)+ + L-arginine = nicotinamide + N2-(ADP-D-ribosyl)-L-arginine." . . "NAD(P)+-protein-arginine ADP-ribosyltransferase activity" . "ADP-ribosyltransferase activity" . "mono(ADP-ribosyl)transferase activity" . "mono(ADPribosyl)transferase activity" . "NAD(+):L-arginine ADP-D-ribosyltransferase activity" . "NAD(P)(+)--arginine ADP-ribosyltransferase activity" . "NAD(P)+-arginine ADP-ribosyltransferase activity" . "NAD(P)+:L-arginine ADP-D-ribosyltransferase activity" . "NAD(P)+:protein-L-arginine ADP-D-ribosyltransferase activity" . "NAD(P)-arginine ADP-ribosyltransferase activity" . "NAD+:L-arginine ADP-D-ribosyltransferase activity" . "peptidyl-arginine ADP-ribosylation activity" . "protein-arginine ADP-ribosyltransferase activity" . . .