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Article Dans Une Revue Journal of Physical Chemistry B Année : 2023

Mechanism of the covalent inhibition of human transmembrane protease serine 2 as an original antiviral strategy

Tom Miclot

Résumé

The Transmembrane Protease Serine 2 (TMPRSS2) is a human enzyme which is involved in the maturation and post-translation of different proteins. In addition to being overexpressed in cancer cells, TMPRSS2 plays a further fundamental role in favoring viral infections by allowing the fusion of the virus envelope with 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 on 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.

Dates et versions

hal-04258941 , version 1 (25-10-2023)

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Citer

Angelo Spinello, Luisa D’anna, Emmanuelle Bignon, Tom Miclot, Stéphanie Grandemange, et al.. Mechanism of the covalent inhibition of human transmembrane protease serine 2 as an original antiviral strategy. Journal of Physical Chemistry B, 2023, 127 (28), pp.6287-6295. ⟨10.1021/acs.jpcb.3c02910⟩. ⟨hal-04258941⟩
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