Reaction catalyzed by N,N'-diacetylchitobiose non-reducing end deacetylase (3.5.1.136)

		+		H2O	=		beta-D-glucosaminyl-(1->4)-N-acetyl-D-glucosamine	+
	N,N'-diacetylchitobiose	+		H2O	=		beta-D-glucosaminyl-(1->4)-N-acetyl-D-glucosamine	+		acetate