Reaction catalyzed by endoglycosylceramidase (3.2.1.123)

		+		H2O	=			+
	alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-ceramide	+		H2O	=		ceramide	+		alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-Glc