Predicted to enable NAD+-protein poly-ADP-ribosyltransferase activity; nucleotidyltransferase activity; and zinc ion binding activity. Predicted to be involved in protein ubiquitination. Predicted to act upstream of or within DNA repair. Predicted to be located in chromosome and nucleus. Is expressed in brain; head; and proliferative region. Orthologous to human PARP2 (poly(ADP-ribose) polymerase 2).