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Mechanism of the Covalent Inhibition of Human Transmembrane Protease Serine 2 as an Original Antiviral Strategy
Angelo SPINELLO
Luisa D'Anna
Emmanuelle Bignon
Tom Miclot
Stephanie Grandemange
Alessio Terenzi
Giampaolo Barone
Florent Barbault
Antonio Monari
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1101/2023.04.23.537985
https://www.biorxiv.org/content/10.1101/2023.04.23.537985v1
Abstract The Transmembrane Protease Serine 2 (TMPRSS2) is a human enzyme which is involved in the maturation and post-translation of different proteins. In addition of being overexpressed in cancer cells, TMPRSS2 plays a further fundamental role in favoring viral infections by allowing the fusion of the virus envelope and the cellular membrane, notably in SARS-CoV-2. In this contribution we resort to multiscale molecular modeling to unravel the structural and dynamical features of TMPRSS2 and its interaction with a model lipid bilayer. Furthermore, we shed light into the mechanism of action of a potential inhibitor (Nafamostat), determining the free-energy profile associated with the inhibition reaction, and showing the facile poisoning of the enzyme. Our study, while providing the first atomistically resolved mechanism of TMPRSS2 inhibition, is also fundamental in furnishing a solid framework for further rational design targeting transmembrane proteases in a host-directed antiviral strategy.
bioRxiv
24-04-2023
Preimpreso
Inglés
Público en general
VIRUS RESPIRATORIOS
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