Automated description from the Alliance of Genome Resources (Release 7.0.0)
Enables nucleoside triphosphate diphosphatase activity. Involved in several processes, including basophil activation involved in immune response; negative regulation of mast cell activation involved in immune response; and negative regulation of mast cell proliferation. Located in external side of plasma membrane. Is expressed in femur. Orthologous to human ENPP3 (ectonucleotide pyrophosphatase/phosphodiesterase 3).