Showing Reaction 1281
UDP-N-acetyl-alpha-D-galactosamine+beta-D-glucuronosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-proteoglycan=Uridine 5'-diphosphate+N-acetyl-beta-D-galactosaminyl-(1->4)-beta-D-glucuronosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-proteoglycan