Enables NAD+ ADP-ribosyltransferase activity. Acts upstream of or within base-excision repair and extrinsic apoptotic signaling pathway. Located in nucleolus and nucleoplasm. Is expressed in several structures, including central nervous system; gonad; liver; retina; and thymus. Orthologous to human PARP2 (poly(ADP-ribose) polymerase 2). [provided by Alliance of Genome Resources, Apr 2022]