Predicted to enable carbohydrate binding activity; metal ion binding activity; and polypeptide N-acetylgalactosaminyltransferase activity. Predicted to be involved in protein glycosylation. Predicted to be located in Golgi membrane. Predicted to be integral component of membrane. Predicted to be active in Golgi apparatus. Orthologous to human GALNT9 (polypeptide N-acetylgalactosaminyltransferase 9). [provided by Alliance of Genome Resources, Apr 2022]