Reaction catalyzed by cellodextrin phosphorylase (2.4.1.49)
+
=
+
beta-D-Xyl-(1->4)-beta-D-Glc-(1->4)-D-Glc
+
alpha-D-xylose 1-phosphate
=
beta-D-Xyl-(1->4)-beta-D-Xyl-(1->4)-beta-D-Glc-(1->4)-D-Glc
+
phosphate