L-arginyl-[protein] + NAD(+) = H(+) + N(omega)-(ADP-D-ribosyl)-L-arginyl-[protein] + nicotinamide Belongs to the Arg-specific ADP-ribosyltransferase family. 3'extension leads to out-of-frame translation. 3'extension leads to out-of-frame translation. 3'extension leads to out-of-frame translation. 3'extension leads to out-of-frame translation.