Reaction catalyzed by endoglycosylceramidase (3.2.1.123)

		+		H2O	=		GM1-aglycan	+
	GM1 ganglioside	+		H2O	=		GM1-aglycan	+		beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-(alpha-Neu5Ac-(2->3))-beta-D-Gal-(1->4)-beta-D-Glc