Predicted to enable N-acetylgalactosamine 4-O-sulfotransferase activity and chondroitin 4-sulfotransferase activity. Predicted to be involved in chondroitin sulfate biosynthetic process. Is expressed in several structures, including alimentary system; liver; metanephros; nervous system; and skeleton. Orthologous to human CHST13 (carbohydrate sulfotransferase 13). [provided by Alliance of Genome Resources, Apr 2022]