Reaction catalyzed by mannosyl-oligosaccharide 1,2-alpha-mannosidase (3.2.1.113)

		+	3	H2O	=			+	3
	Man8GlcNAc2-[protein] (isomer 8A1,2,3B1,3)	+		3 H2O	=		Man5GlcNAc2-[protein]	+		3 beta-D-mannopyranose