Any feedback?
Information on EC 2.4.1.91 - flavonol 3-O-glucosyltransferase
for references in articles please use BRENDA:EC2.4.1.91Please wait a moment until all data is loaded. This message will disappear when all data is loaded.
EC Tree
2.4.1.91 flavonol 3-O-glucosyltransferaseIUBMB Comments
Acts on a variety of flavonols, including quercetin and quercetin 7-O-glucoside. Different from EC 2.4.1.81 (flavone 7-O-beta-glucosyltransferase).
Specify your search results
Word Map
- 2.4.1.91
- flavonols
- anthocyanidins
- chalcone
- dihydroflavonols
- flavanone
-
4-reductase
- cyanidin
-
glucosyltransferases
- uf3gts
-
3\'-hydroxylase
-
leucoanthocyanidin
- litchi
- 7-o-glucoside
- biotechnology
The enzyme appears in viruses and cellular organisms
Synonyms
flavonoid 3-o-glucosyltransferase, flavonoid-3-o-glucosyltransferase, ugt71g1, flavonol 3-o-glucosyltransferase, flavonoid 3-o-glycosyltransferase, fagt6, fagt7, vl3gt, ugt706c1, ugt707a3, 
more
topPlease wait a moment until the data is sorted. This message will disappear when the data is sorted.
SYNONYM 
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
3GT
F3GT
flavonoid 3-O-glucosyltransferase
glucosyltransferase, uridine diphosphoglucose-flavonol 3-O-
-
-
-
-
GT-I
-
-
-
-
GTI
-
-
-
-
UDP-glucose: flavonoid 3-O-glucosyltransferase
UDP-glucose:flavonoid 3-O-glucosyltransferase
UDP-glucose:flavonol 3-O-glucosyltransferase
-
-
-
-
UDPG:flavonoid-3-O-glucosyltransferase
-
-
-
-
UDPglucose:flavonol O3-D-glucosyltransferase
-
-
-
-
UFGT
uridine 5'-diphosphate-glucose:flavonoid 3-O-glucosyltransferase
-
F3GT
-
-
-
-
UDP-glucose:flavonoid 3-O-glucosyltransferase
-
UFGT
-
-
-
-
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
REACTION
REACTION DIAGRAM
COMMENTARY
ORGANISM
UNIPROT
LITERATURE
UDP-glucose + a flavonol = UDP + a flavonol 3-O-beta-D-glucoside
-
-
-
-
UDP-glucose + a flavonol = UDP + a flavonol 3-O-beta-D-glucoside
His22 acts as the catalytic base, and Asp121 is a key residue that may assist deprotonation of the acceptor by forming an electron transfer chain with the catalytic base, both residues, as well as Glu381, are essential in donor substrate binding and enzyme activity, acceptor substrate binding site structure
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
hexosyl group transfer
-
-
-
-
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
PATHWAY SOURCE
PATHWAYS
-
Biosynthesis of secondary metabolites, Flavone and flavonol biosynthesis, Flavone and flavonol biosynthesis, Flavone and flavonol biosynthesis, Flavone and flavonol biosynthesis, Flavone and flavonol biosynthesis, Flavone and flavonol biosynthesis, Flavone and flavonol biosynthesis, Flavone and flavonol biosynthesis, Flavone and flavonol biosynthesis, Flavone and flavonol biosynthesis, Flavone and flavonol biosynthesis
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
SYSTEMATIC NAME
IUBMB Comments
UDP-glucose:flavonol 3-O-D-glucosyltransferase
Acts on a variety of flavonols, including quercetin and quercetin 7-O-glucoside. Different from EC 2.4.1.81 (flavone 7-O-beta-glucosyltransferase).
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
CAS REGISTRY NUMBER
COMMENTARY
50812-18-5
-
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
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
dTDP-xylose + quercetin
dTDP + quercetin 3-O-beta-D-xylose
-
low activity
-
-
?
GDP-glucose + quercetin
GDP + quercetin 3-O-beta-D-glucoside
-
low activity
-
-
?
UDP-5-thio-glucose + quercetin
UDP + quercetin 3-O-5-thio-beta-D-glucoside
-
low activity
-
-
?
UDP-alpha-D-glucose + 1-naphthol
UDP + naphthalen-1-yl beta-D-glucopyranoside
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + 2-naphthol
UDP + naphthalen-2-yl beta-D-glucopyranoside
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + 3,7-dihdroxyflavone
UDP + 3-[(beta-D-glucopyranosyl)oxy]-7-hydroxyflavone
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + 3-hydroxycoumarin
UDP + 3-[(beta-D-glucopyranosyl)oxy]-coumarin
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + 6-hydroxycoumarin
UDP + 6-[(beta-D-glucopyranosyl)oxy]-coumarin
-
glucosylated by enzyme FaGT6
-
-
?
UDP-alpha-D-glucose + 7-hydroxycoumarin
UDP + 7-[(beta-D-glucopyranosyl)oxy]-coumarin
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + daphnetin
UDP + ?
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + dihydroquercetin
UDP + quercetin 3-O-beta-D-glucoside
weak substrate
-
-
?
UDP-alpha-D-glucose + galangin
UDP + galangin 3-O-beta-D-glucoside
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + morin
UDP + morin 3-O-beta-D-glucoside
-
glucosylated by enzyme FaGT6
-
-
?
UDP-alpha-D-glucose + quercetin 7-O-beta-D-glucoside
UDP + quercetin 3,7-O-di-beta-D-glucoside
UDP-alpha-D-glucose + scopoletin
UDP + ?
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + taxifolin
UDP + taxifolin 3-O-beta-D-glucoside
-
glucosylated by enzyme FaGT7
-
-
?
UDP-galactose + cyanidin
?
galactose can be transferred from UDP-galactose to the 3-position of cyanidin with low specificity relative to the analogous glucosyltransferase reactions
-
-
?
UDP-galactose + delphinidin
?
galactose can be transferred from UDP-galactose to the 3-position of delphinidin with low specificity relative to the analogous glucosyltransferase reactions
-
-
?
UDP-galactose + quercetin
UDP + quercetin 3-O-beta-D-galactoside
-
low activity
-
-
?
UDP-glucose + 2',4'-dihydroxyflavone
UDP + ?
-
8.3% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + 2'-hydroxyflavone
UDP + 2'-hydroxyflavone 2'-beta-D-glucoside
-
15% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + 2,3,6-trichlorophenol
UDP + 2,3,6-trichlorophenylglucoside
-
9% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + 2,4,5-trichlorophenol
UDP + 2,4,5-trichlorophenylglucoside
-
-
-
-
?
UDP-glucose + 2,4,6-trichlorophenol
UDP + 2,4,6-trichlorophenylglucoside
-
4% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + 2,4-dinitrophenol
UDP + 2,4-dinitrophenylglucoside
-
2.4% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + 4'-hydroxyflavone
UDP + 4'-hydroxyflavone 4'-beta-D-glucoside
-
4% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + 4-nitrophenol
UDP + 4-nitrophenylglucoside
-
23% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + 5-hydroxyflavone
UDP + 5-hydroxyflavone 5-beta-D-glucoside
-
2.7% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + 6-hydroxyflavone
UDP + 6-hydroxyflavone 6-beta-D-glucoside
-
24% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + 7-hydroxyflavone
UDP + 7-hydroxyflavone 7-beta-D-glucoside
-
4.8% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + apigenin
UDP + apigenin 3-O-beta-D-glucoside
-
-
-
?
UDP-glucose + apigenin
UDP + apigenin 3-O-glucoside
-
8.7% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + coumestrol
UDP + coumestrol 3-O-glucoside
-
33% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + cyanidin
UDP + cyanidin 3-O-beta-D-glucoside
-
-
-
?
UDP-glucose + epicatechin
UDP + epicatechin 3-O-beta-D-glucoside
-
-
-
?
UDP-glucose + eriodictyol
UDP + eriodictyol 3-O-beta-D-glucoside
-
-
-
?
UDP-glucose + esculetin
UDP + ?
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-glucose + genistein
UDP + ?
-
7.4% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + isosakuranetin
UDP + ?
-
at 11.2% the activity with kaempferol
-
-
?
UDP-glucose + kaempferol
UDP + kaempferol 3-O-beta-D-glucoside
-
-
-
?
UDP-glucose + pelargonidin
UDP + pelargonidin 3-O-glucoside
-
at 4% the activity with kaempferol
-
-
?
UDP-glucose + pentachlorophenol
UDP + pentachlorophenylglucoside
-
4% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + phenol
UDP + phenyglucoside
-
2.4% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-mannose + quercetin
UDP + quercetin 3-O-beta-D-mannoside
-
very low activity
-
-
?
UDP-N-acetylglucose + quercetin
UDP + quercetin 3-O-N-acetylglucoside
-
low activity
-
-
?
UDPgalactose + isorhamnetin
UDP + isorhamnetin 3-O-glucoside
-
isorhamnetin is the best acceptor, 45% of the activity compared to reaction with UDPglucose
-
-
r
UDPglucose + 3'-O-methylquercetin
UDP + 3'-O-methylquercetin 3-O-glucoside
-
28% of the activity with quercetin
-
-
?
UDPglucose + 3,5,7-trihydroxyflavanone
UDP + 3,5,7-trihydroxyflavanone 3-O-glucoside
-
isoenzyme F3GT1: 22% of the activity with kaempferol, isoenzyme F3GT2: 12% of the activity with kaempferol
-
-
?
UDPglucose + 4,7-dihydroxyflavonol
UDP + 4,7-dihydroxyflavonol 3-O-glucoside
-
27% of the activity with quercetin
-
-
?
UDPglucose + 5-deoxyquercetin
UDP + 5-deoxyquercetin 3-O-glucoside
-
57% of the activity with quercetin
-
-
?
UDPglucose + 7,4'-dihydroxyflavonol
UDP + 7,4'-dihydroxyflavonol 3-O-glucoside
-
isoenzyme F3GT1: 33% of the activity with kaempferol, isoenzyme F3GT2: 34% of the activity with kaempferol
-
-
?
UDPglucose + apigenin
UDP + apigenin 3-O-glucoside
-
at 4.2% the activity with kaempferol
-
-
?
UDPglucose + kaempferol 5,7,4'-trimethyl ether
UDP + kaempferol 5,7,4'-trimethyl ether 3-O-glucoside
UDPglucose + naringenin
UDP + naringenin 3-O-glucoside
-
at 3.2% the activity with kaempferol
-
-
?
UDPglucose + rutin
UDP + rutin 3-O-glucoside
-
4% of the activity with isorhamnetin
-
-
r
UDP-alpha-D-glucose + 3-hydroxyflavone
UDP + 3-[(beta-D-glucopyranosyl)oxy]-flavone
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + 3-hydroxyflavone
UDP + 3-[(beta-D-glucopyranosyl)oxy]-flavone
-
42% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-alpha-D-glucose + cyanidin
UDP + cyanidin 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + cyanidin
UDP + cyanidin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + cyanidin
UDP + cyanidin 3-O-beta-D-glucoside
this enzyme preferentially glucosylates cyanidin as compared with quercetin
-
-
?
UDP-alpha-D-glucose + delphinidin
UDP + delphinidin 3-O-beta-D-glucoside
best substrate
-
-
?
UDP-alpha-D-glucose + delphinidin
UDP + delphinidin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + isorhamnetin
UDP + isorhamnetin 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + isorhamnetin
UDP + isorhamnetin 3-O-beta-D-glucoside
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + isorhamnetin
UDP + isorhamnetin 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + isorhamnetin
UDP + isorhamnetin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + isorhamnetin
UDP + isorhamnetin 3-O-beta-D-glucoside
-
71% of the activity with kaempferol
-
-
?
UDP-alpha-D-glucose + isorhamnetin
UDP + isorhamnetin 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + isorhamnetin
UDP + isorhamnetin 3-O-beta-D-glucoside
-
isorhamnetin is the best acceptor
-
-
r
UDP-alpha-D-glucose + isorhamnetin
UDP + isorhamnetin 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + isorhamnetin
UDP + isorhamnetin 3-O-beta-D-glucoside
-
108% of the activity with kaempferol
-
-
?
UDP-alpha-D-glucose + isorhamnetin
UDP + isorhamnetin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + kaempferol
UDP + kaempferol 3-O-beta-D-glucoside
57.9% activity compared to quercetin, glucosylation occurs at the 3 hydroxyl position
-
-
?
UDP-alpha-D-glucose + kaempferol
UDP + kaempferol 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + kaempferol
UDP + kaempferol 3-O-beta-D-glucoside
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + kaempferol
UDP + kaempferol 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + kaempferol
UDP + kaempferol 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + kaempferol
UDP + kaempferol 3-O-beta-D-glucoside
-
100% activity
-
-
?
UDP-alpha-D-glucose + kaempferol
UDP + kaempferol 3-O-beta-D-glucoside
-
UGT706C1 and UGT707A3 preferentially use kaempferol over quercetin
-
-
?
UDP-alpha-D-glucose + kaempferol
UDP + kaempferol 3-O-beta-D-glucoside
weak substrate
-
-
?
UDP-alpha-D-glucose + kaempferol
UDP + kaempferol 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + kaempferol 7-O-glucoside
UDP + kaempferol 3,7-O-diglucoside
-
isoenzyme F3GT1: 6% of the activity with kaempferol, isoenzyme F3GT2: 5% of the activity with kaempferol
-
-
?
UDP-alpha-D-glucose + kaempferol 7-O-glucoside
UDP + kaempferol 3,7-O-diglucoside
-
10% of the activity with kaempferol
-
-
?
UDP-alpha-D-glucose + malvidin
UDP + malvidin 3-O-beta-D-glucoside
-
glucosylated by enzyme FaGT6
-
-
?
UDP-alpha-D-glucose + malvidin
UDP + malvidin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + malvidin
UDP + malvidin 3-O-beta-D-glucoside
best substrate
-
-
?
UDP-alpha-D-glucose + myricetin
UDP + myricetin 3-O-beta-D-glucoside
-
glucosylated by enzyme FaGT6 and FaGT7
-
-
?
UDP-alpha-D-glucose + myricetin
UDP + myricetin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + pelargonidin
UDP + pelargonidin 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + pelargonidin
UDP + pelargonidin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + peonidin
UDP + peonidin 3-O-beta-D-glucoside
-
glucosylated by enzyme FaGT6
-
-
?
UDP-alpha-D-glucose + peonidin
UDP + peonidin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + peonidin
UDP + peonidin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + petunidin
UDP + petunidin 3-O-beta-D-glucoside
-
glucosylated by enzyme FaGT6
-
-
?
UDP-alpha-D-glucose + petunidin
UDP + petunidin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
100% activity, glucosylation occurs at the 3 hydroxyl position
-
-
ir
UDP-alpha-D-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
-
glucosylated by enzyme FaGT6 and FaGT7
enzyme FaGT7 produces quercetin 3-O-beta-D-glucoside and quercetin 4'-O-beta-D-glucoside in equal amounts plus small amounts of the 7-O and 3'-O-isomers
-
?
UDP-alpha-D-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
-
33% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-alpha-D-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
-
-
-
?
UDP-alpha-D-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
-
-
-
-
?
UDP-alpha-D-glucose + quercetin 7-O-beta-D-glucoside
UDP + quercetin 3,7-O-di-beta-D-glucoside
-
isoenzyme F3GT1: 6% of the activity with kaempferol, isoenzyme F3GT2: 6% of the activity with kaempferol
-
-
?
UDP-alpha-D-glucose + quercetin 7-O-beta-D-glucoside
UDP + quercetin 3,7-O-di-beta-D-glucoside
-
12% of the activity with kaempferol
-
-
?
UDP-glucose + a flavonol
UDP + a flavonol 3-O-beta-D-glucoside
-
-
-
?
UDP-glucose + a flavonol
UDP + a flavonol 3-O-beta-D-glucoside
-
-
-
?
UDP-glucose + luteolin
UDP + ?
-
11% of the activity with 2,4,5-trichlorophenol
-
-
?
UDP-glucose + myricetin
UDP + myricetin 3-O-beta-D-glucoside
-
-
-
?
UDP-glucose + myricetin
UDP + myricetin 3-O-beta-D-glucoside
40.7% activity compared to quercetin, glucosylation occurs at the 3 hydroxyl position
-
-
?
UDP-glucose + quercetin
UDP + quercetin 3-O-beta-D-glucoside
-
-
-
?
UDPglucose + a flavonol
UDP + a flavonol 3-O-D-glucoside
-
enzyme is specific for flavonol glucoside biosynthesis
-
-
?
UDPglucose + a flavonol
UDP + a flavonol 3-O-D-glucoside
-
the enzyme is involved in the flavone glycoside pathway in parsley. Enzyme activity is increased by prior illumination of the cell cultures, maximal activity is reached about 24 h after onset of illumination
-
-
?
UDPglucose + a flavonol
UDP + a flavonol 3-O-D-glucoside
-
in the conversion from colorless leucoanthocyanidin to colored anthocyanidin 3-glucoside, at least two enzymes, anthocyanidin synthase and UDP-glucose:flavonoid 3-O-glucosyltransferase, are postulated to be involved
-
-
?
UDPglucose + a flavonol
UDP + a flavonol 3-O-D-glucoside
-
the enzyme is responsible for the glycosylation of anthocyanidins to produce stable molecules in the anthocyanin biosynthetic pathway
-
-
?
UDPglucose + a flavonol
UDP + a flavonol 3-O-D-glucoside
-
the enzyme is responsible for the glycosylation of anthocyanidins to produce stable molecules in the anthocyanin biosynthetic pathway
-
-
?
UDPglucose + a flavonol
UDP + a flavonol 3-O-D-glucoside
the final and specific step for the anthocyanin biosynthesis pathway is 3-glucoside formation by UDP-glucose:flavonoid 3-O-glucosyltransferase
-
-
?
UDPglucose + a flavonol
UDP + a flavonol 3-O-D-glucoside
-
the enzyme is critical for anthocyanin biosynthesis in the grape berry
-
-
?
UDPglucose + a flavonol
UDP + a flavonol 3-O-D-glucoside
-
the principal, if not only, role of the enzyme is to glucosylate anthocyanidins in red fruit during ripening
-
-
?
UDPglucose + cyanidin
UDP + cyanidin 3-O-glucoside
-
at 5% the activity with kaempferol
-
-
?
UDPglucose + dihydrokaempferol
UDP + dihydrokaempferol 3-O-glucoside
-
isoenzyme F3GT1: 7% of the activity with kaempferol, isoenzyme F3GT2: 7% of the activity with kaempferol
-
-
?
UDPglucose + dihydrokaempferol
UDP + dihydrokaempferol 3-O-glucoside
-
9.6% of the activity with kaempferol
-
-
?
UDPglucose + dihydroquercetin
UDP + dihydroquercetin 3-O-glucoside
-
isoenzyme F3GT1: 3% of the activity with kaempferol, isoenzyme F3GT2: 2% of the activity with kaempferol
-
-
?
UDPglucose + kaempferol
UDP + kaempferol 3-O-glucoside
-
70% of the activity with quercetin
-
-
?
UDPglucose + kaempferol
UDP + kaempferol 3-O-glucoside
-
45% of the activity with isorhamnetin
-
-
r
UDPglucose + kaempferol 5,7,4'-trimethyl ether
UDP + kaempferol 5,7,4'-trimethyl ether 3-O-glucoside
-
isoenzyme F3GT1: 52% of the activity with kaempferol, isoenzyme F3GT2: 11% of the activity with kaempferol
-
-
?
UDPglucose + kaempferol 5,7,4'-trimethyl ether
UDP + kaempferol 5,7,4'-trimethyl ether 3-O-glucoside
-
4% of the activity with kaempferol
-
-
?
UDPglucose + kaempferol 5,7,4'-trimethyl ether
UDP + kaempferol 5,7,4'-trimethyl ether 3-O-glucoside
-
9% of the activity with kaempferol
-
-
?
UDPglucose + kaempferol-4'-O-methylether
UDP + ?
-
57% of the activity with quercetin
-
-
?
UDPglucose + kaempferol-4'-O-methylether
UDP + ?
-
13% of the activity with isorhamnetin
-
-
r
UDPglucose + kaempferol-4'-O-methylether
UDP + ?
-
42% of the activity with kaempferol
-
-
?
UDPglucose + malvidin
UDP + malvidin 3-O-glucoside
-
at 4% the activity with kaempferol
-
-
?
UDPglucose + myricetin
UDP + myrecetin 3-O-glucoside
-
43% of the activity with kaempferol
-
-
?
UDPglucose + myricetin
UDP + myrecetin 3-O-glucoside
-
20% of the activity with kaempferol
-
-
?
UDPglucose + quercetin
UDP + quercetin 3-O-glucoside
-
61.2% of the activity with kaempferol
-
-
?
UDPglucose + quercetin
UDP + quercetin 3-O-glucoside
-
76% of the activity with kaempferol
-
-
?
UDPglucose + quercetin
UDP + quercetin 3-O-glucoside
-
quercetin is the best acceptor
-
?
UDPglucose + quercetin
UDP + quercetin 3-O-glucoside
-
93% of the activity with isorhamnetin
-
-
r
UDPglucose + quercetin
UDP + quercetin 3-O-glucoside
-
95% of the activity with quercetin