Automated description from the Alliance of Genome Resources (Release 7.1.0)
Enables glucuronosyl-N-acetylgalactosaminyl-proteoglycan 4-beta-N-acetylgalactosaminyltransferase activity. Involved in chondroitin sulfate biosynthetic process. Acts upstream of or within chondroitin sulfate proteoglycan biosynthetic process. Is active in Golgi apparatus. Is expressed in articular cartilage; cartilage; humerus; and knee. Orthologous to human CSGALNACT2 (chondroitin sulfate N-acetylgalactosaminyltransferase 2).