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IUBMB CommentsThe enzyme is active in the biosynthetic pathway of paclitaxel (Taxol) in Taxus species (yew).
The expected taxonomic range for this enzyme is: Taxus sp.
Reaction Schemes
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4-hydroxy-4alpha,5beta-5,20-epoxytax-11-en-9-one
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Synonyms
T9alpha oxidase, more
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T9alpha oxidase

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4alpha,5beta-5,20-epoxytax-11-ene-4,9-diol + 2-oxoglutarate + O2 = 4-hydroxy-4alpha,5beta-5,20-epoxytax-11-en-9-one + succinate + CO2 + H2O
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4alpha,5beta-5,20-epoxytax-11-ene-4,9-diol,2-oxoglutarate:oxygen 9-oxidoreductase
The enzyme is active in the biosynthetic pathway of paclitaxel (Taxol) in Taxus species (yew).
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4alpha,5beta-5,20-epoxytax-11-ene-4,9-diol + 2-oxoglutarate + O2
4-hydroxy-4alpha,5beta-5,20-epoxytax-11-en-9-one + succinate + CO2 + H2O
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Substrates: -
Products: -
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4alpha,5beta-5,20-epoxytax-11-ene-4,9-diol + 2-oxoglutarate + O2
4-hydroxy-4alpha,5beta-5,20-epoxytax-11-en-9-one + succinate + CO2 + H2O
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Substrates: -
Products: -
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brenda
Highest Expressing Human Cell Lines
Cell Line Links
Gene Links
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physiological function
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the enzyme is active in the biosynthetic pathway of paclitaxel (taxol) in Taxus species
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heterologous expression in Nicotiana benthamiana
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Zhang, Y.; Wiese, L.; Fang, H.; Molloy, j.J.; Christmann, M.; Fernie, A.R.
Synthetic biology identifies the minimal gene set required for paclitaxel biosynthesis in a plant chassis
Mol. Plant
16
1951-1961
2023
Taxus sp.
brenda
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