2.4.1.128: scopoletin glucosyltransferase
This is an abbreviated version!
For detailed information about scopoletin glucosyltransferase, go to the full flat file.
Word Map on EC 2.4.1.128
Reaction
Synonyms
71C1, 71C3, glucosyltransferase, uridine diphosphoglucose-scopoletin, N-feruloyltyramine glucosyltransferase, NbUGT73A24, NbUGT73A25, scopoletin UGT, SGTase, TOGT, UDP-glucose:phenylpropanoid glucosyltransferase, UDP-glucose:scopoletin glucosyltransferase, UDPglucose:scopoletin O-beta-D-glucosyltransferase
ECTree
2.4.1.128 scopoletin glucosyltransferaseAdvanced search results
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results (Substrates Products
Substrates Products on EC 2.4.1.128 - scopoletin glucosyltransferase
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SUBSTRATE 
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
UDP-glucose + kaempferol
UDP + kaempferol 3,7-diglucoside
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best substrate
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?
UDP-glucose + scopoletin
UDP + scopolin
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pathogen-inducible enzyme. Over-expression leads to precocious lesion formation during the hypersensitive response to tobacco mosaic virus but does not affect virus resistance
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?
UDP-glucose + scopoletin
UDP + scopolin
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transgenic plants over-expressing the salicylate- and pathogen-inducible glucosyltransferase. Activity of TOGT and the subsequent accumulation of glucosylated coumarins represent an important step in the cascade of events resulting in confinement of viral pathogens
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?
additional information
?
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the enzyme shows activity towards a number of coumarins including umbelliferone, scopoletin, isoscopoletin and esculetin, and flavonoids including a flavone, a flavanone and chalcones. No activity is detected with compounds characterized by a single aromatic ring, i.e. simple and acidic phenols
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?
additional information
?
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UGT73A25 appears to promote the formation of flavonoid rutinosides and a kaempferol diglucoside, while UGT73A24 does not
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additional information
?
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broad substrate specificity of NbUGT73A25, detailed overview. Enzymes UGT73A24 and UGT73A25 show the highest activity towards kaempferol
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