Sinapate 1-glucosyltransferase (EC 2.4.1.120) is an enzyme that catalyzes the chemical reaction:
The two substrates of this enzyme characterised from radish are sinapinic acid and UDP-glucose. Its products are 1-O-sinapoyl-β-D-glucose and uridine diphosphate (UDP). The product is an intermediate in the biosynthesis of sinapine.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-glucose:sinapate D-glucosyltransferase. Other names in common use include uridine diphosphoglucose-sinapate glucosyltransferase, UDP-glucose:sinapic acid glucosyltransferase, uridine 5'-diphosphoglucose-hydroxycinnamic acid, and acylglucosyltransferase.
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