KEGG   ENZYME: 2.4.1.190Help
Entry
EC 2.4.1.190                Enzyme                                 

Name
luteolin-7-O-glucuronide 2''-O-glucuronosyltransferase;
uridine diphosphoglucuronate-luteolin 7-O-glucuronide glucuronosyltransferase;
LMT;
UDP-glucuronate:luteolin 7-O-glucuronide-glucuronosyltransferase;
UDP-glucuronate:luteolin-7-O-beta-D-glucuronide 2''-O-glucuronosyltransferase
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
BRITE hierarchy
Sysname
UDP-alpha-D-glucuronate:luteolin-7-O-beta-D-glucuronide 2''-O-glucuronosyltransferase (configuration-inverting)
Reaction(IUBMB)
UDP-alpha-D-glucuronate + luteolin 7-O-beta-D-glucuronide = UDP + luteolin 7-O-[beta-D-glucuronosyl-(1->2)-beta-D-glucuronide] [RN:R06827]
Reaction(KEGG)
Substrate
UDP-alpha-D-glucuronate [CPD:C00167];
luteolin 7-O-beta-D-glucuronide [CPD:C03515]
Product
UDP [CPD:C00015];
luteolin 7-O-[beta-D-glucuronosyl-(1->2)-beta-D-glucuronide] [CPD:C12632]
Comment
The enzyme participates in the biosynthesis of luteolin triglucuronide, the major flavone found in the photosynthetically-active mesophyll of the primary leaves of Secale cereale (rye).
History
EC 2.4.1.190 created 1992
Pathway
Flavone and flavonol biosynthesis
Reference
1
  Authors
Schulz, M. and Weissenbock, G.
  Title
3 specific UDP-glucuronate-flavone-glucuronosyl-transferases from primary leaves of Secale cereale.
  Journal
Phytochemistry 27 (1988) 1261-1267.
Reference
2
  Authors
Anhalt, S. and Weissenbock, G.
  Title
Subcellular localization of luteolin glucuronides and related enzymes in rye mesophyll.
  Journal
Planta 187 (1992) 83-88.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
115490-51-2

DBGET integrated database retrieval system