Reaction catalyzed by lacto-N-biosidase (3.2.1.140)

		+		H2O	=			+
	4-methylumbelliferyl 2-acetamido-2-deoxy-3-O-(beta-D-galactopyranosyl)-D-glucopyranoside	+		H2O	=		4-methylumbelliferol	+		2-acetamido-2-deoxy-3-O-(beta-D-galactopyranosyl)-D-glucopyranose