Predicted to enable enzyme binding activity; pentosyltransferase activity; and protein N-terminus binding activity. Acts upstream of or within regulation of growth. Predicted to be located in nuclear envelope; pericentriolar material; and perinuclear region of cytoplasm. Predicted to be active in cytoplasm and nucleus. Is expressed in several structures, including alimentary system; brain; eye; genitourinary system; and integumental system. Orthologous to human TNKS2 (tankyrase 2). [provided by Alliance of Genome Resources, Apr 2022]