Glucuronosyl-N-acetylgalactosaminyl-proteoglycan 4-b-N-acetylgalactosaminyltransferase

Glucuronosyl-N-acetylgalactosaminyl-proteoglycan 4-beta-N-acetylgalactosaminyltransferase is an enzyme with systematic name UDP-N-acetyl-D-galactosamine:beta-D-glucuronosyl--N-acetyl-beta-D-galactosaminyl-proteoglycan 4-beta-N-acetylgalactosaminyltransferase. This enzyme catalyses the following chemical reaction
This enzyme is involved in the biosynthesis of chondroitin sulfate.