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Struct Chem . Hybrid drug-screening strategy identifies potential SARS-CoV-2 cell-entry inhibitors targeting human transmembrane serine protease

tetano

Editor, Senior Moderator
Struct Chem


. 2022 May 11;1-13.
doi: 10.1007/s11224-022-01960-w. Online ahead of print.
Hybrid drug-screening strategy identifies potential SARS-CoV-2 cell-entry inhibitors targeting human transmembrane serine protease


Yufei Feng[SUP] 1 [/SUP], Xiaoning Cheng[SUP] 2 [/SUP], Shuilong Wu[SUP] 2 [/SUP], Konda Mani Saravanan[SUP] 3 [/SUP], Wenxin Liu[SUP] 2 [/SUP]



Affiliations

Abstract

The spread of coronavirus infectious disease (COVID-19) is associated with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which has risked public health more than any other infectious disease. Researchers around the globe use multiple approaches to identify an effective approved drug (drug repurposing) that treats viral infections. Most of the drug repurposing approaches target spike protein or main protease. Here we use transmembrane serine protease 2 (TMPRSS2) as a target that can prevent the virus entry into the cell by interacting with the surface receptors. By hypothesizing that the TMPRSS2 binders may help prevent the virus entry into the cell, we performed a systematic drug screening over the current approved drug database. Furthermore, we screened the Enamine REAL fragments dataset against the TMPRSS2 and presented nine potential drug-like compounds that give us clues about which kinds of groups the pocket prefers to bind, aiding future structure-based drug design for COVID-19. Also, we employ molecular dynamics simulations, binding free energy calculations, and well-tempered metadynamics to validate the obtained candidate drug and fragment list. Our results suggested three potential FDA-approved drugs against human TMPRSS2 as a target. These findings may pave the way for more drugs to be exposed to TMPRSS2, and testing the efficacy of these drugs with biochemical experiments will help improve COVID-19 treatment.
Supplementary information: The online version contains supplementary material available at 10.1007/s11224-022-01960-w.

Keywords: Drug repurposing; Molecular docking and dynamics; SARS-CoV-2; Serine protease; Transmembrane proteins.
 
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