Reaction catalyzed by alpha-N-acetylneuraminyl-2,3-beta-galactosyl-1,3-N-acetylgalactosaminide 6-alpha-sialyltransferase (2.4.99.7) show all sequences for 2.4.99.7
+
=
+
CMP-N-acetylneuraminate
+
monosialylgalactosylgloboside
=
CMP
+
disialylgalactosylgloboside