Virtual screening of the indonesian medicinal plant and zinc databases for potential inhibitors of the rna-dependent rna polymerase (Rdrp) of 2019 novel coronavirus

Muhammad Arba, Andry Nur-Hidayat, Ida Usman, Arry Yanuar, Setyanto Tri Wahyudi, Gilbert Fleischer, Dylan James Brunt, Chun Wu

Research output: Contribution to journalArticlepeer-review

Abstract

The novel coronavirus disease 19 (Covid-19) which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been a pandemic across the world, which necessitate the need for the antiviral drug discovery. One of the potential protein targets for coronavirus treatment is RNA-dependent RNA polymerase. It is the key enzyme in the viral replication machinery, and it does not exist in human beings, therefore its targeting has been considered as a strategic approach. Here we describe the identification of potential hits from Indonesian Herbal and ZINC databases. The pharmacophore modeling was employed followed by molecular docking and dynamics simulation for 40 ns. 151 and 14480 hit molecules were retrieved from Indonesian herbal and ZINC databases, respectively. Three hits that were selected based on the structural analysis were stable during 40 ns, while binding energy prediction further implied that ZINC1529045114, ZINC169730811, and 9-Ribosyl-trans-zeatin had tighter binding affinities compared to Remdesivir. The ZINC169730811 had the strongest affinity toward RdRp compared to the other two hits including Remdesivir and its binding was corroborated by electrostatic, van der Waals, and nonpolar contribution for solvation energies. The present study offers three hits showing tighter binding to RdRp based on MM-PBSA binding energy prediction for further experimental verification.

Original languageEnglish
Pages (from-to)1430-1440
Number of pages11
JournalIndonesian Journal of Chemistry
Volume20
Issue number6
DOIs
Publication statusPublished - 2020

Keywords

  • Coronavirus
  • Covid-19
  • Herbal
  • RdRp, in silico
  • ZINC

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