One-pot enzymatic synthesis of merochlorin A and B.
One-pot enzymatic synthesis of merochlorin A and B.
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DOI:
10.1002/anie.201405694
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发表时间:
2014-10-06
影响因子:
16.6
通讯作者:
Moore, Bradley S.
中科院分区:
文献类型:
--
作者:
Teufel, Robin;Kaysser, Leonard;Villaume, Matthew T.;Diethelm, Stefan;Carbullido, Mary K.;Baran, Phil S.;Moore, Bradley S.
The polycyclic merochlorin A and B are complex halogenated meroterpenoid natural products with significant antibacterial activities that are produced by the marine bacterium Streptomyces sp. strain CNH-189. Here we employ heterologously produced enzymes and chemical synthesis to fully reconstitute the merochlorin biosynthesis in vitro. The interplay of a dedicated type III polyketide synthase, a prenyl diphosphate synthase, and an aromatic prenyltransferase allow formation of a highly unusual aromatic polyketide-terpene hybrid intermediate that features an unprecedented branched sesquiterpene moiety. As supported by in vivo experiments, this precursor is furthermore chlorinated and cyclized to merochlorin A and isomeric merochlorin B by a single vanadium-dependent haloperoxidase, thus completing the remarkably efficient pathway.
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影响因子:
5.2
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Pittelkow, Michael;Boas, Ulrik;Christensen, Jorn B.
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