Reaction catalyzed by exo-alpha-sialidase (3.2.1.18)

		+		H2O	=		desialylated ganglioside nLc6Cer	+
	ganglioside VI3-alpha-Neu5Ac-nLc6Cer	+		H2O	=		desialylated ganglioside nLc6Cer	+		sialic acid