Luteolin-7-O-diglucuronide 4'-O-glucuronosyltransferase
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In enzymology, a luteolin-7-O-diglucuronide 4'-O-glucuronosyltransferase (EC 2.4.1.191) is an enzyme that catalyzes the chemical reaction
- UDP-glucuronate + luteolin 7-O-beta-D-diglucuronide
UDP + luteolin 7-O-[beta-D-glucuronosyl-(1->2)-beta-D-glucuronide]-4'-O-beta-D- glucuronide
Thus, the two substrates of this enzyme are UDP-glucuronate and luteolin 7-O-beta-D-diglucuronide, whereas its 4 products are UDP, luteolin, [[7-O-[beta-D-glucuronosyl-(1->2)-beta-D-glucuronide]-4'-O-beta-D-]], and glucuronide.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-glucuronate:luteolin-7-O-beta-D-diglucuronide 4'-O-glucuronosyltransferase. Other names in common use include uridine diphosphoglucuronate-luteolin 7-O-diglucuronide, glucuronosyltransferase, UDP-glucuronate:luteolin 7-O-diglucuronide-glucuronosyltransferase, UDPglucuronate:luteolin, 7-O-diglucuronide-4'-O-glucuronosyl-transferase, and LDT.
[edit] References
- IUBMB entry for 2.4.1.191
- BRENDA references for 2.4.1.191 (Recommended.)
- PubMed references for 2.4.1.191
- PubMed Central references for 2.4.1.191
- Google Scholar references for 2.4.1.191
- Schulz M and Weissenbock G (1988). "3 specific UDP-glucuronate-flavone-glucuronosyl-transferases from primary leaves of Secale cereale". Phytochemistry 27: 1261–1267. doi:.
[edit] External links
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- The CAS registry number for this enzyme class is 115490-50-1.
[edit] Gene Ontology (GO) codes
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