2.4.1.297: anthocyanidin 3-O-glucoside 2''-O-glucosyltransferase
This is an abbreviated version!
For detailed information about anthocyanidin 3-O-glucoside 2''-O-glucosyltransferase, go to the full flat file.
Reaction
Synonyms
3GGT
ECTree
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Substrates Products
Substrates Products on EC 2.4.1.297 - anthocyanidin 3-O-glucoside 2''-O-glucosyltransferase
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REACTION DIAGRAM
UDP-alpha-D-glucose + cyanidin 3-O-beta-D-galactoside
UDP + cyanidin 2''-O-alpha-D-glucoside 3-O-beta-D-galactoside
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9.1% of the activity with cyanidin 3-O-beta-D-glucoside
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?
UDP-alpha-D-glucose + delphinidin 3-O-beta-D-glucoside
UDP + delphinidin 3-O-sophoroside
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64.8% of the activity with cyanidin 3-O-beta-D-glucoside
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?
UDP-alpha-D-glucose + kaempferol 3-O-beta-D-glucoside
UDP + kaempferol 3-O-sophoroside
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41.6% of the activity with cyanidin 3-O-beta-D-glucoside
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?
UDP-alpha-D-glucose + pelargonidin 3-O-beta-D-glucoside
UDP + pelargonidin 3-O-sophoroside
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29.3% of the activity with cyanidin 3-O-beta-D-glucoside
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?
UDP-alpha-D-glucose + peonidin 3-O-beta-D-glucoside
UDP + peonidin 3-O-sophoroside
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-
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?
UDP-alpha-D-glucose + quercetin 3-O-beta-D-glucoside
UDP + quercetin 3-O-sophoroside
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33.8% of the activity with cyanidin 3-O-beta-D-glucoside
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?
UDP-alpha-D-xylose + cyanidin 3-O-beta-D-glucoside
UDP + cyanidin 3-O-glucosyl-2''-O-alpha-D-xyloside
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?
UDP + cyanidin 3-O-sophoroside
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?
UDP-alpha-D-glucose + cyanidin 3-O-beta-D-glucoside
UDP + cyanidin 3-O-sophoroside
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?
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enzyme catalyzes only the 2''-O-glucosylation of flavonoid 3-O-glucosideto produce flavonoid 3-O-sophoroside. Both anthocyanidin 3-O-glucosides and flavonol 3-O-glucosides are favorable acceptor substrates of the enzyme, whereas no activity is shown toward C-glucosylflavones such as isovitexin
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additional information
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no acceptor substrates: cyanidin, cyanidin 3,5-O-diglucoside, and flavonol 3-O-glucoside. No donors: UDP-xylose, UDP-galactose, and UDP-arabinose
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