1.21.3.6: aureusidin synthase
This is an abbreviated version!
For detailed information about aureusidin synthase, go to the full flat file.
Word Map on EC 1.21.3.6
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1.21.3.6
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yellow
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aurones
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flower
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snapdragon
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flavonoid
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majus
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antirrhinum
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ornamental
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polyphenol
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bright
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petal
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anthocyanin
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colour
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catechol
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oxidases
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cyclization
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vacuole
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cosmos
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agriculture
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nutrition
- 1.21.3.6
- yellow
-
aurones
- flower
- snapdragon
- flavonoid
- majus
-
antirrhinum
-
ornamental
- polyphenol
-
bright
- petal
- anthocyanin
-
colour
- catechol
- oxidases
-
cyclization
- vacuole
- cosmos
- agriculture
- nutrition
Reaction
Synonyms
AmAS1, AS1, aureusidin synthase, aurone synthase, More, synthase, aureusidin
ECTree
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pH Optimum
pH Optimum on EC 1.21.3.6 - aureusidin synthase
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5 - 7
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broad, formation of aureusidin from 2',3,4,4',6'-pentahydroxychalcone
5.4
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3-hydroxylation and cyclization of 2',4,4',6'-tetrahydroxychalcone
additional information
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at pH values above pH 7.0, 2',4,4',6'-tetrahydroxychalcone undergoes a very rapid isomerization to the inactive naringenin