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Drechmerin H, a novel 1(2), 2(18)-diseco indole diterpenoid from the fungus Drechmeria sp. as a natural agonist of human pregnane X receptor.

Abstract：

:A novel 1(2), 2(18)-diseco indole diterpenoid, drechmerin H (1), was isolated from the fermentation broth of Drechmeria sp. together with a new indole diterpenoid, 2'-epi terpendole A (3), and a known analogue, terpendole A (2). Their structures were determined by HRESIMS, 1D and 2D NMR, ECD, and X-ray single crystal diffraction analyses as well as quantum chemical calculation. The abosulte configuration of terpendole A (2) was determined for the first time. Compound 1 displayed the significant agonistic effect on pregnane X receptor (PXR) with EC50 value of 134.91 ± 2.01 nM, and its interaction with PXR was investigated by molecular docking. Meantime, a plausible biosynthetic pathway for compounds 1-3 is also discussed in the present work.

journal_name

Bioorg Chem

journal_title

Bioorganic chemistry

authors

Zhao JC,Luan ZL,Liang JH,Cheng ZB,Sun CP,Wang YL,Zhang MY,Zhang TY,Wang Y,Yang TM,Wu YY,Zhang YX,Zhao XY,Ma XC

doi

10.1016/j.bioorg.2018.05.001

subject

Has Abstract

pub_date

2018-09-01 00:00:00

pages

250-256

eissn

0045-2068

issn

1090-2120

pii

S0045-2068(18)30296-7

journal_volume

79

pub_type

杂志文章

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