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Integrated Docking and Enhanced Sampling Based Selection of Repurposing Drugs for SARS-CoV-2 by Targeting Host Dependent Factors

preprint
submitted on 12.12.2020, 06:45 and posted on 15.12.2020, 06:41 by Amit Kumawat, Sadanandam Namsani, Debabrata Pramanik, Sudip Roy, Jayant K. Singh
Since the onset of global pandemic, the most focused research currently in progress is the development of vaccine candidates and clinical trials of existing FDA approved drugs for other relevant diseases, in order to repurpose them for the COVID-19. Here, we investigate the drug repurposing strategies to counteract the coronavirus infection which involves several potential targetable host proteins involved in viral replication and disease progression. We report the high throughput analysis of literature-derived repurposing drug candidates that can be used to target the genetic regulators known to interact with viral proteins based on experimental and interactome studies. In this work we have performed integrated molecular docking followed by molecular dynamics (MD) simulations and free energy calculations through an expedite insilico process where the number of screened candidates reduces sequentially at every step based on physicochemical information. We elucidate that in addition to the pre-clinical and FDA approved drugs that targets specific regulatory proteins, a range of chemical compounds (Nafamostat, Chloramphenicol, Ponatinib) binds to the other gene transcription and translation regulatory protein with higher affinity and may harbour potential for therapeutic uses.

History

Email Address of Submitting Author

jayantks@iitk.ac.in

Institution

Indian Institute of Technology, Kanpur

Country

India

ORCID For Submitting Author

0000-0001-8056-2115

Declaration of Conflict of Interest

The authors declare no competing financial interests.

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