Predicted to enable N-acetylgalactosamine 4-O-sulfotransferase activity and chondroitin 4-sulfotransferase activity. Predicted to be involved in chondroitin sulfate biosynthetic process. Predicted to be located in Golgi membrane. Predicted to be integral component of membrane. Orthologous to human CHST13 (carbohydrate sulfotransferase 13). [provided by Alliance of Genome Resources, Apr 2022]