preferred_name: a 3-O-[beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminyl]-L-seryl-[protein] + UDP-N-acetyl-alpha-D-glucosamine => 3-O-{beta-D-galactosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->6)]-N-acetyl-alpha-D-galactosaminyl}-L-seryl-[protein] + UDP + H(+)
preferred_name_lc: a 3-o-[beta-d-galactosyl-(1->3)-n-acetyl-alpha-d-galactosaminyl]-l-seryl-[protein] + udp-n-acetyl-alpha-d-glucosamine => 3-o-{beta-d-galactosyl-(1->3)-[n-acetyl-beta-d-glucosaminyl-(1->6)]-n-acetyl-alpha-d-galactosaminyl}-l-seryl-[protein] + udp + h(+)
label: a 3-O-[beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminyl]-L-seryl-[protein] + UDP-N-acetyl-alpha-D-glucosamine => 3-O-{beta-D-galactosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->6)]-N-acetyl-alpha-D-galactosaminyl}-L-seryl-[protein] + UDP + H(+)
label_lc: a 3-o-[beta-d-galactosyl-(1->3)-n-acetyl-alpha-d-galactosaminyl]-l-seryl-[protein] + udp-n-acetyl-alpha-d-glucosamine => 3-o-{beta-d-galactosyl-(1->3)-[n-acetyl-beta-d-glucosaminyl-(1->6)]-n-acetyl-alpha-d-galactosaminyl}-l-seryl-[protein] + udp + h(+)