Reaction catalyzed by cellodextrin phosphorylase (2.4.1.49)

		+			=			+
	beta-Xyl-(1-4)-Glc-beta-(1-4)-Xyl	+		alpha-D-xylose 1-phosphate	=		beta-Xyl-(1-4)-Xyl-beta-(1-4)-Glc-beta-(1-4)-Xyl	+		phosphate