Reaction catalyzed by acetylxylan esterase (3.1.1.72)

		=			+			+
	methyl 2,3-di-O-acetyl beta-D-xylopyranoside	=		acetate	+		methyl 2-O-acetyl-beta-D-xylopyranoside	+		methyl 3-O-acetyl-beta-D-xylopyranoside