Predicted to enable several functions, including ADP-D-ribose binding activity; STAT family protein binding activity; and pentosyltransferase activity. Predicted to be involved in several processes, including protein ADP-ribosylation; regulation of defense response; and regulation of gene expression. Predicted to be located in several cellular components, including mitochondrion; nucleoplasm; and site of DNA damage. Predicted to be part of protein-containing complex. Predicted to be active in cytoplasm and nucleus. Orthologous to human PARP9 (poly(ADP-ribose) polymerase family member 9). [provided by Alliance of Genome Resources, Apr 2022]