αβ,α′β′-Diepoxyketones are mechanism-based inhibitors of nucleophilic cysteine enzymes

Chem. Commun., 2023, Advance Article
DOI: 10.1039/D3CC02932H, Communication
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Creative Commons Licence  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Mariska de Munnik, Jasper Lithgow, Lennart Brewitz, Kirsten E. Christensen, Robert H. Bates, Beatriz Rodriguez-Miquel, Christopher J. Schofield
αβ,α′β′-Diepoxyketones (DEKs) inhibit nucleophilic cysteine enzymes. DEKs react with a transpeptidase and the SARS-CoV-2 main protease via epoxide opening; retro-aldol and other reactions can then occur, enabling irreversible alkylation.
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