Reaction catalyzed by lactosylceramide alpha-2,3-sialyltransferase (2.4.99.9) show all sequences for 2.4.99.9
+
=
+
CMP-N-acetylneuraminate
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beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide
=
CMP
+
alpha-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide