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Phytochemicals from Selective Plants Have Promising Potential against SARS-CoV-2: Investigation and Corroboration through Molecular Docking, MD Simulations, and Quantum Computations.
Kousar, Kafila; Majeed, Arshia; Yasmin, Farkhanda; Hussain, Waqar; Rasool, Nouman.
  • Kousar K; Department of Healthcare Biotechnology, Atta ur Rahman School of Applied Biosciences, National University of Science and Technology Islamabad, Pakistan.
  • Majeed A; Medicare Health Services, Lahore, Pakistan.
  • Yasmin F; Department of Biotechnology, Khawaja Fareed University of Science and Technology, Rahim Yar Khan, Pakistan.
  • Hussain W; National Center of Artificial Intelligence, Punjab University College of Information Technology, University of the Punjab, Lahore, Pakistan.
  • Rasool N; Center for Professional and Applied Studies, Lahore, Pakistan.
Biomed Res Int ; 2020: 6237160, 2020.
Article in English | MEDLINE | ID: covidwho-868383
ABSTRACT
Coronaviruses have been reported previously due to their association with the severe acute respiratory syndrome (SARS). After SARS, these viruses were known to be causing Middle East respiratory syndrome (MERS) and caused 35% evanescence amid victims pursuing remedial care. Nowadays, beta coronaviruses, members of Coronaviridae, family order Nidovirales, have become subjects of great importance due to their latest pandemic originating from Wuhan, China. The virus named as human-SARS-like coronavirus-2 contains four structural as well as sixteen nonstructural proteins encoded by single-stranded ribonucleic acid of positive polarity. As there is no vaccine available to treat the infection caused by these viruses, there is a dire need for taking necessary steps against this virus. Herein, we have targeted two nonstructural proteins of SARS-CoV-2, namely, methyltransferase (nsp16) and helicase (nsp13), respectively, due to their substantial activity in viral pathogenesis. A total of 2035 compounds were analyzed for their pharmacokinetics and pharmacological properties. The screened 108 compounds were docked against both targeted proteins and were compared with previously reported known compounds. Compounds with high binding affinity were analyzed for their reactivity through DFT analysis, and binding was analyzed using molecular dynamics simulations. Through the analyses performed in this study, it is concluded that EryvarinM, Silydianin, Osajin, and Raddeanine can be considered potential inhibitors for MTase, while TomentodiplaconeB, Osajin, Sesquiterpene Glycoside, Rhamnetin, and Silydianin for helicase after these compounds are validated thoroughly using in vitro and in vivo protocols.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Antiviral Agents / Phytochemicals / SARS-CoV-2 / COVID-19 Drug Treatment Type of study: Observational study / Prognostic study Topics: Vaccines Country/Region as subject: Asia Language: English Journal: Biomed Res Int Year: 2020 Document Type: Article Affiliation country: 2020

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Antiviral Agents / Phytochemicals / SARS-CoV-2 / COVID-19 Drug Treatment Type of study: Observational study / Prognostic study Topics: Vaccines Country/Region as subject: Asia Language: English Journal: Biomed Res Int Year: 2020 Document Type: Article Affiliation country: 2020