. "Attaches N-acetylneuraminic acid in alpha-2,6-linkage to N-acetyl-galactosamine only when present in the structure of alpha-N-acetyl-neuraminyl-(2->3)-beta-galactosyl-(1->3)-N-acetylgalactosaminyl-R, where R may be protein or p-nitrophenol." . "Not identical with EC 2.4.99.3." . . . "Sialyltransferase" . "Sialyltransferase 3C" . "Sialyltransferase 7D" . "Alpha-N-acetylneuraminyl-2,3-beta-galactosyl-1,3-N-acetylgalactosaminide 6-alpha-sialyltransferase" . "Alpha-N-acetylneuraminyl-2,3-beta-galactosyl-1,3-N-acetyl-galactosaminide alpha-2,6-sialyltransferase" . "Cytidine monophosphoacetylneuraminate-(alpha-N-acetylneuraminyl-2,3-beta-galactosyl-1,3)-N-acetylgalactosaminide-alpha-2,6-sialyltransferase" . "NeuAc-alpha-2,3-Gal-beta-1,3-GalNAc-alpha-2,6-sialyltransferase" . "ST6GALNAC" . "CMP-N-acetylneuraminate + N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-D-galactosaminyl-R = CMP + N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->3)-(N-acetyl-alpha-neuraminyl-(2->6))-N-acetyl-D-galactosaminyl-R." .