N(omega)-(2'-phospho-ADP-D-ribosyl)-L-arginine(3-) residue
n(omega)-(2'-phospho-adp-d-ribosyl)-l-arginine(3-) residue
A α-amino-acid residue anion obtained by deprotonation of the phosphate and diphosphate groups as well as protonation of the guanidino group of <em>N</em><small><sup>ω</small></sup>-(2'-phospho-ADP-<small>D</small>-ribosyl)-<small>L</small>-arginine residue; major species at pH 7.3.