Predicted to enable galactosyltransferase activity. Predicted to be involved in glycosylation. Predicted to act upstream of or within carbohydrate metabolic process and protein glycosylation. Predicted to be located in Golgi cisterna membrane and Golgi membrane. Predicted to be active in Golgi apparatus. Orthologous to human B4GALT4 (beta-1,4-galactosyltransferase 4).