Class of enzymes
In enzymology, a cellobiose phosphorylase (EC 2.4.1.20) is an enzyme that catalyzes the chemical reaction
cellobiose + phosphate formula_1 alpha-D-glucose 1-phosphate + D-glucose
Thus, the two substrates of this enzyme are cellobiose and phosphate, whereas its two products are alpha-D-glucose 1-phosphate and D-glucose.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is cellobiose:phosphate alpha-D-glucosyltransferase. This enzyme participates in starch and sucrose metabolism.
Structural studies.
As of late 2006, two structures have been solved for this class of enzymes, with PDB accession codes 2CQS and 2CQT.
References.
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