ChEBI: N(omega)-(ADP-D-ribosyl)-L-arginine is a L-arginine derivative. It has a role as an EC 3.4.21.26 (prolyl oligopeptidase) inhibitor. It is functionally related to an ADP-D-ribose. It is a conjugate acid of a N(omega)-(ADP-D-ribosyl)-L-arginine(1-).