Compilation of Potential Protein Targets for SARS-CoV-2: Preparation of Homology Model and Active Site Determination for Future Rational Antiviral Design

06 April 2020, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

The recent pandemic due to the novel coronavirus SARS-CoV-2 (COVID-19) is causing significant mortality worldwide. However, there is a lack of specific drugs which can either prevent or treat the patient suffering from COVID-19. To understand the SARS-CoV-2 receptor recognition causing infectivity and pathogenesis, we have compiled a list of 20 probable drug targets on host and virus based on viral life cycle along with their PDB IDs for the rational development of future antivirals. We have prepared nine homology model for vital proteins for which no crystal structure is reported, which includes protein from host, viral membrane proteins and essential non-structural proteins (NSPs) of virus. The generated models were validated followed by Ramachandran plot along with their sequence and structural alignment. The active site residues of all the protein models are calculated by utilizing COACH meta-server and also cross verified with the CASTp webservers. All the active sites of the homology build proteins were evaluated after superimposition of the closely related X-ray crystallized structure bound with the co-crystal ligands. These information present in the manuscript can be used for the discovery effort towards new antivirals as well as repurposing FDA approved drugs against SARS-CoV-2.


Keywords

COVID-19
Homology Model
active site
drug design
antiviral

Supplementary materials

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Supplementary Compilation of Potential Protein Targets for SARS-CoV-2 (2)
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