Predicted to enable galactose 3-O-sulfotransferase activity. Predicted to be involved in glycolipid biosynthetic process. Predicted to be located in Golgi apparatus and membrane. Predicted to be integral component of membrane. Orthologous to human GAL3ST3 (galactose-3-O-sulfotransferase 3). [provided by Alliance of Genome Resources, Apr 2022]