The Enzyme Database

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Accepted name: luteolin-7-O-glucuronide 2′′-O-glucuronosyltransferase
Reaction: UDP-α-D-glucuronate + luteolin 7-O-β-D-glucuronide = UDP + luteolin 7-O-[β-D-glucuronosyl-(1→2)-β-D-glucuronide]
For diagram of luteolin derivatives biosynthesis, click here
Other name(s): uridine diphosphoglucuronate-luteolin 7-O-glucuronide glucuronosyltransferase; LMT; UDP-glucuronate:luteolin 7-O-glucuronide-glucuronosyltransferase; UDP-glucuronate:luteolin-7-O-β-D-glucuronide 2′′-O-glucuronosyltransferase
Systematic name: UDP-α-D-glucuronate:luteolin-7-O-β-D-glucuronide 2′′-O-glucuronosyltransferase (configuration-inverting)
Comments: 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).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 115490-51-2
1.  Schulz, M. and Weissenböck, G. 3 specific UDP-glucuronate-flavone-glucuronosyl-transferases from primary leaves of Secale cereale. Phytochemistry 27 (1988) 1261–1267.
2.  Anhalt, S. and Weissenböck, G. Subcellular localization of luteolin glucuronides and related enzymes in rye mesophyll. Planta 187 (1992) 83–88. [PMID: 24177970]
[EC created 1992]

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