KEGG:R11715

CMP-N-acetylneuraminate + beta-D-Galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R <=> CMP + N-Acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R