Automated description from the Alliance of Genome Resources (Release 7.1.0)
Enables N-acetylgalactosaminyl-proteoglycan 3-beta-glucuronosyltransferase activity and glucuronosyl-N-acetylgalactosaminyl-proteoglycan 4-beta-N-acetylgalactosaminyltransferase activity. Involved in chondroitin sulfate biosynthetic process. Is active in Golgi apparatus. Is expressed in articular cartilage; cartilage; cerebral cortex; and humerus. Orthologous to human CHSY3 (chondroitin sulfate synthase 3).