Reaction catalyzed by cellodextrin phosphorylase (2.4.1.49)

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