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Information on EC 2.5.1.71 - leachianone-G 2''-dimethylallyltransferase

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IUBMB Comments
This membrane-bound enzyme is located in the plastids and requires Mg2+ for activity. The reaction forms the lavandulyl sidechain of sophoraflavanone G by transferring a dimethylallyl group to the 2'' position of another dimethylallyl group attached at postiion 8 of leachianone G. The enzyme is specific for dimethylallyl diphosphate as the prenyl donor, as it cannot be replaced by isopentenyl diphosphate or geranyl diphosphate. Euchrenone a7 (a 5-deoxy derivative of leachianone G) and kenusanone I (a 7-methoxy derivative of leachianone G) can also act as substrates, but more slowly. Along with EC 1.14.13.103 (8-dimethylallylnaringenin 2′-hydroxylase) and EC 2.5.1.70 (naringenin 8-dimethylallyltransferase), this enzyme forms part of the sophoraflavanone-G-biosynthesis pathway.
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Word Map
The expected taxonomic range for this enzyme is: Sophora flavescens
Synonyms
leachianone G 2''-dimethylallyltransferase, LG 2''-dimethylallyltransferase, LGDT, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
dimethylallyl diphosphate + leachianone G = diphosphate + sophoraflavanone G
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PATHWAY SOURCE
PATHWAYS
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