Reaction catalyzed by lacto-N-biosidase (3.2.1.140)

		+		H2O	=			+
	Gal-beta-(1->3)-GalNAc-beta-(1->4)-Gal-beta-(1->4)-Glc	+		H2O	=		Gal-beta-(1->3)-GlcNAc	+		Gal-beta-(1->4)-Glc