Hydroxycinnamate 4-beta-glucosyltransferase

In enzymology, a hydroxycinnamate 4-beta-glucosyltransferase (EC 2.4.1.126) is an enzyme that catalyzes the chemical reaction

UDP-glucose + trans-4-hydroxycinnamate UDP + 4-O-beta-D-glucosyl-4-hydroxycinnamate
hydroxycinnamate 4-beta-glucosyltransferase
Identifiers
EC number2.4.1.126
CAS number77848-85-2
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

Thus, the two substrates of this enzyme are UDP-glucose and trans-4-hydroxycinnamate (p-coumaric acid), whereas its two products are UDP and 4-O-beta-D-glucosyl-4-hydroxycinnamate.

This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-glucose:trans-4-hydroxycinnamate 4-O-beta-D-glucosyltransferase. Other names in common use include uridine diphosphoglucose-hydroxycinnamate glucosyltransferase, UDP-glucose-hydroxycinnamate glucosyltransferase, and hydroxycinnamoyl glucosyltransferase.

References

    • Fleuriet A, Macheix JJ, Suen R, Ibrahim RK (1980). "Partial purifiction and some properties of a hydroxycinnamoyl glucosyltransferase from tomato fruits". Z. Naturforsch. C: Biosci. 35: 967–972.


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