Reaction catalyzed by L-iduronidase (3.2.1.76)

		+		H2O	=			+
	O-(alpha-L-iduronic acid)-(1-4)-D-O-(alpha glucosamine 6-sulfate)-(1-4)-L-O-(alpha-L-iduronic acid)-D-O-2,5-anhydro-mannitol 6-sulfate	+		H2O	=		D-O-(alpha glucosamine 6-sulfate)-(1-4)-L-O-(alpha-L-iduronic acid)-D-O-2,5-anhydro-mannitol 6-sulfate	+		alpha-L-iduronic acid