Reaction catalyzed by chitinase (3.2.1.14)

		+		H2O	=			+
	4-methylumbelliferyl 2-acetamido-4-O-(2-acetamido-2,4-dideoxy-beta-D-xylo-hexopyranosyl)-2-deoxy-beta-D-glucopyranoside	+		H2O	=		4-methylumbelliferol	+		2-acetamido-4-O-(2-acetamido-2,4-dideoxy-beta-D-xylo-hexopyranosyl)-2-deoxy-beta-D-glucopyranoside