3-Epi-6-deoxocathasterone 23-monooxygenase

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3-Epi-6-deoxocathasterone 23-monooxygenase
Identifiers
EC no. 1.14.13.112
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3-Epi-6-deoxocathasterone 23-monooxygenase (EC 1.14.13.112, cytochrome P450 90C1, CYP90D1, CYP90C1) is an enzyme with systematic name 3-epi-6-deoxocathasterone,NADPH:oxygen oxidoreductase (C-23-hydroxylating). [1] This enzyme catalyses the following chemical reaction

(1) 3-epi-6-deoxocathasterone + NADPH + H+ + O2 6-deoxotyphasterol + NADP+ + H2O
(2) (22S,24R)-22-hydroxy-5alpha-ergostan-3-one + NADPH + H+ + O2 3-dehydro-6-deoxoteasterone + NADP+ + H2O

3-Epi-6-deoxocathasterone 23-monooxygenase takes part in brassinosteroid biosynthesis.

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References

  1. ↑ Ohnishi T, Szatmari AM, Watanabe B, Fujita S, Bancos S, Koncz C, Lafos M, Shibata K, Yokota T, Sakata K, Szekeres M, Mizutani M (November 2006). "C-23 hydroxylation by Arabidopsis CYP90C1 and CYP90D1 reveals a novel shortcut in brassinosteroid biosynthesis". The Plant Cell. 18 (11): 3275–88. doi:10.1105/tpc.106.045443. PMC   1693957 . PMID   17138693.
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