“Flavonol-3-O-glucoside L-rhamnosyltransferase”的意思、由来-开放百科全书

词条

Flavonol-3-O-glucoside L-rhamnosyltransferase

释义

References

{{enzyme
| Name = flavonol-3-O-glucoside L-rhamnosyltransferase
| EC_number = 2.4.1.159
| CAS_number = 83380-89-6
| IUBMB_EC_number = 2/4/1/159
| GO_code = 0047230
| image =
| width =
| caption =
}}

In enzymology, a flavonol-3-O-glucoside L-rhamnosyltransferase ({{EC number|2.4.1.159}}) is an enzyme that catalyzes the chemical reaction

UDP-L-rhamnose + a flavonol 3-O-D-glucoside UDP + a flavonol 3-O-[beta-L-rhamnosyl-(1->6)-beta-D-glucoside]

Thus, the two substrates of this enzyme are UDP-L-rhamnose and flavonol 3-O-D-glucoside, whereas its two products are UDP and 6)-beta-D-glucoside">flavonol 3-O-[beta-L-rhamnosyl-(1->6)-beta-D-glucoside].

This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-L-rhamnose:flavonol-3-O-D-glucoside 6-O-L-rhamnosyltransferase. Other names in common use include uridine diphosphorhamnose-flavonol 3-O-glucoside, rhamnosyltransferase, and UDP-rhamnose:flavonol 3-O-glucoside rhamnosyltransferase. This enzyme participates in flavonoid biosynthesis.

References

{{cite journal | author = Wiermann R | date = 1982 | title = Formation of flavonol 3-O-diglycosides and flavonol 3-O-triglycosides by enzyme extracts from anthers of Tulipa cv apeldoorn - characterization and activity of 3 different O-glycosyltransferases during anther development | journal = Z. Naturforsch. C | volume = 37 | pages = 587–599 }}
{{cite journal | vauthors = Jones P, Messner B, Nakajima J, Schaffner AR, Saito K | date = 2003 | title = UGT73C6 and UGT78D1, glycosyltransferases involved in flavonol glycoside biosynthesis in Arabidopsis thaliana | journal = J. Biol. Chem. | volume = 278 | pages = 43910–8 | pmid = 12900416 | doi = 10.1074/jbc.M303523200 | issue = 45 }}

3 : EC 2.4.1|Enzymes of unknown structure|Flavonols metabolism

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