Predicted to enable manganese ion binding activity and polypeptide N-acetylgalactosaminyltransferase activity. Predicted to be located in perinuclear region of cytoplasm. Predicted to be active in Golgi apparatus. Is expressed in several structures, including alimentary system and extraembryonic component. Orthologous to several human genes including POC1B-GALNT4 (POC1B-GALNT4 readthrough). [provided by Alliance of Genome Resources, Apr 2022]