Novel triterpene oxidizing activity of Arabidopsis thaliana CYP716A subfamily enzymes.
[No authors listed]
摘要
Triterpenoids have diverse chemical structures and bioactivities. monooxygenases play a key role in their structural diversification. In higher plants, CYP716A subfamily enzymes are triterpene oxidases. In this study, Arabidopsis thaliana CYP716A1 and CYP716A2 were characterized by heterologously expressing them in simple triterpene-producing yeast strains. In contrast to the C-28 oxidative activity of CYP716A1 shown in several CYP716A subfamily enzymes, remarkably, CYP716A2 displayed 22α-hydroxylation activity against α-amyrin that has not been previously reported, which produces the cytotoxic triterpenoid, 22α-hydroxy-α-amyrin. Our results contribute to the enrichment of the molecular toolbox that allows for the combinatorial biosynthesis of diverse triterpenoids.
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基因功能
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原始数据
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文献解读
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