Predicted to enable carbohydrate binding activity; metal ion binding activity; and polypeptide N-acetylgalactosaminyltransferase activity. Predicted to be located in membrane. Predicted to be integral component of membrane. Predicted to be active in Golgi apparatus. Is expressed in several structures, including alimentary system; hemolymphoid system; nervous system; and tail. Human ortholog(s) of this gene implicated in colorectal cancer. Orthologous to human GALNT12 (polypeptide N-acetylgalactosaminyltransferase 12). [provided by Alliance of Genome Resources, Apr 2022]