2-coumarate O-beta-glucosyltransferase

In enzymology, a 2-coumarate O-beta-glucosyltransferase (EC 2.4.1.114) is an enzyme that catalyzes the chemical reaction

UDP-glucose + trans-2-hydroxycinnamate UDP + trans-beta-D-glucosyl-2-hydroxycinnamate
2-coumarate O-beta-glucosyltransferase
Identifiers
EC no.2.4.1.114
CAS no.73665-97-1
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
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NCBIproteins

Thus, the two substrates of this enzyme are UDP-glucose and trans-2-hydroxycinnamate, whereas its two products are UDP and trans-beta-D-glucosyl-2-hydroxycinnamate.

This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-glucose:trans-2-hydroxycinnamate O-beta-D-glucosyltransferase. Other names in common use include uridine diphosphoglucose-o-coumarate glucosyltransferase, and UDPG:o-coumaric acid O-glucosyltransferase. This enzyme participates in phenylpropanoid biosynthesis.

References

    • Kleinhofs A, Haskins FA, Gorz HJ (1967). "trans-o-Hydroxylcinnamic acid glucosylation in cell-free extracts of Melilotus alba". Phytochemistry. 6 (10): 1313–1318. doi:10.1016/S0031-9422(00)82872-1.
    • Poulton JE, McRee BE, Conn EE (1980). "Intracellular localization of two enzymes involved in coumarin biosynthesis in Melilotus alba". Plant Physiol. 65 (2): 171–175. doi:10.1104/pp.65.2.171. PMC 440292. PMID 16661155.


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