1.14.14.50: tabersonine 3-oxygenase

This is an abbreviated version!
For detailed information about tabersonine 3-oxygenase, go to the full flat file.

Reaction

(3R)-3-hydroxy-16-methoxy-1,2-didehydro-2,3-dihydrotabersonine

Synonyms

CYP71D1V2, T3O

ECTree

1 Oxidoreductases

1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen

1.14.14 With reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen into the other donor

1.14.14.50 tabersonine 3-oxygenase

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2	AA Sequence
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Systematic Name on EC 1.14.14.50 - tabersonine 3-oxygenase

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16-methoxytabersonine,[reduced NADPH-hemoprotein reductase]:oxygen oxidoreductase (3-hydroxylating)

This cytochrome P-450 (heme thiolate) enzyme acts on 16-methoxytabersonine, leading to biosynthesis of vindoline in the plant Catharanthus roseus (Madagascar periwinkle). It can also act on tabersonine, resulting in the production of small amounts of vindorosine. The products are unstable and, in the absence of EC 1.1.99.41, 3-hydroxy-1,2-didehydro-2,3-dihydrotabersonine reductase, will convert into 3-epoxylated compounds.