Predicted to enable polypeptide N-acetylgalactosaminyltransferase activity. Predicted to be involved in protein O-linked glycosylation via threonine. Predicted to be active in Golgi apparatus. Is expressed in eye; facial bone primordium; and nervous system. Orthologous to human GALNTL6 (polypeptide N-acetylgalactosaminyltransferase like 6). [provided by Alliance of Genome Resources, Apr 2022]