label: L-arginyl-[protein] + NADP(+) = N(omega)-(2'-phospho-ADP-D-ribosyl)-L-arginyl-[protein] + nicotinamide + H(+)
label_lc: l-arginyl-[protein] + nadp(+) = n(omega)-(2'-phospho-adp-d-ribosyl)-l-arginyl-[protein] + nicotinamide + h(+)