Enables NAD+ ADP-ribosyltransferase activity. Acts upstream of or within protein ADP-ribosylation. Located in cell surface. Is anchored component of membrane. Is expressed in several structures, including alimentary system; brain; genitourinary system; limb; and sensory organ. Orthologous to human ART1 (ADP-ribosyltransferase 1). [provided by Alliance of Genome Resources, Apr 2022]