Reaction catalyzed by alpha-mannosidase (3.2.1.24)

	RNase-B-Man(n)-glycoform	+		H2O	=		RNase-B-Man(n-1)-glycoform	+
	RNase-B-Man(n)-glycoform	+		H2O	=		RNase-B-Man(n-1)-glycoform	+		alpha-D-mannose