Crocetin glucosyltransferase

Template:Short description Template:Infobox enzyme Crocetin glucosyltransferase (Template:EC number, crocetin GTase, UGTCs2) is an enzyme with systematic name UDP-glucose:crocetin 8-O-D-glucosyltransferase. This enzyme catalyses the following chemical reaction

(1) UDP-glucose + crocetin $\rightleftharpoons$ UDP + beta-D-glucosyl crocetin

(2) UDP-glucose + beta-D-glucosyl crocetin $\rightleftharpoons$ UDP + bis(beta-D-glucosyl) crocetin

(3) UDP-glucose + beta-D-gentiobiosyl crocetin $\rightleftharpoons$ UDP + beta-D-gentiobiosyl beta-D-glucosyl crocetin

In Crocus sativus this enzyme esterifies a free carboxyl group of crocetin or crocetin glycosyl ester.

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