Chem. J. Chinese Universities ›› 2023, Vol. 44 ›› Issue (2): 20220500.doi: 10.7503/cjcu20220500

• Physical Chemistry • Previous Articles     Next Articles

Interaction Mechanism of the Natural Product Falcarindiol and Human GABAA Receptor

SHEN Qi1, CHEN Haiyao1, GAO Denghui1, ZHAO Xi1(), NA Risong2, LIU Jia2, HUANG Xuri1   

  1. 1.Institute of Theoretical Chemistry,Jilin University,Changchun 130061,China
    2.College of Plant Protection,Henan Agricultural University,Zhengzhou 450046,China
  • Received:2022-07-25 Online:2023-02-10 Published:2022-10-04
  • Contact: ZHAO Xi E-mail:zhaoxi@jlu.edu.cn
  • Supported by:
    the National Natural Science Foundation of China(21702048);the Teaching Reform Project of the Henan Agricultural University, China(2021XJGLX100)

Abstract:

Falcarindiol is a natural polyacetylene alcohol compound that has demonstrated anti-inflammatory, neurological and potentially anticancer properties, and modulates the activity of the γ-aminobutyric acid type A(GABAA) receptor which is an important therapeutic target for neurological disorders in humans, but the mechanism of action is not clear. In this paper, the binding mode and dynamic properties of falcarindiol acting on GABAA receptor were investigated by molecular dynamics simulation, umbrella sampling simulations, binding free energy calculations and molecular docking, and determined that all three effective binding sites have antagonistic effects on this receptor. This work will provide a theoretical basis for the subsequent study of the effects of polyethynyl alcohol analogues on GABAA receptors and the corresponding drug development.

Key words: Falcarindiol, γ-Aminobutyric acid type A(GABAA) receptor, Molecular dynamics simulation, Antagonism

CLC Number: 

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