Proposal of novel natural inhibitors of severe acute respiratory syndrome coronavirus 2 main protease: Molecular docking and ab initio fragment molecular orbital calculations.

Biophysical Chemistry
Divya ShajiNoriyuki Kurita

Abstract

This paper proposes natural drug candidate compounds for the treatment of coronavirus disease 2019 (COVID-19). We investigated the binding properties between the compounds in the Moringa oleifera plant and the main protease (Mpro) of severe acute respiratory syndrome coronavirus 2 using molecular docking and ab initio fragment molecular orbital calculations. Among the 12 compounds, niaziminin was found to bind the strongest to Mpro. We furthermore proposed novel compounds based on niaziminin and investigated their binding properties to Mpro. The results reveal that the introduction of a hydroxyl group into niaziminin enhances its binding affinity to Mpro. These niaziminin derivatives can be promising candidate drugs for the treatment of COVID-19.

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Citations

Aug 14, 2021·Biophysical Chemistry·Alhassan Ali Ahmed, Mohamed Abouzid

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Software Mentioned

Gaussian
AMBER
PROPKA3
SwissADME
AutoDock
AutoDock4
ABINIT
MP

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