Predicted to enable NAD+ ADP-ribosyltransferase activity and protein ADP-ribosylase activity. Predicted to be involved in protein auto-ADP-ribosylation and protein mono-ADP-ribosylation. Is expressed in several structures, including alimentary system; central nervous system; genitourinary system; immune system; and sensory organ. Orthologous to human PARP8 (poly(ADP-ribose) polymerase family member 8). [provided by Alliance of Genome Resources, Apr 2022]