Predicted to enable pyrophosphatase activity. Predicted to be involved in nucleobase-containing small molecule metabolic process. Predicted to be located in Golgi membrane and autophagosome membrane. Predicted to be integral component of Golgi membrane and integral component of autophagosome membrane. Predicted to be active in Golgi apparatus and membrane. Orthologous to human ENTPD4 (ectonucleoside triphosphate diphosphohydrolase 4). [provided by Alliance of Genome Resources, Apr 2022]