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Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Cell+Chem+Biol 2021 ; 28 (12): 1795-1806.e5 Nephropedia Template TP
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An automatic pipeline for the design of irreversible derivatives identifies a potent SARS-CoV-2 M(pro) inhibitor #MMPMID34174194
Zaidman D; Gehrtz P; Filep M; Fearon D; Gabizon R; Douangamath A; Prilusky J; Duberstein S; Cohen G; Owen CD; Resnick E; Strain-Damerell C; Lukacik P; Barr H; Walsh MA; von Delft F; London N
Cell Chem Biol 2021[Dec]; 28 (12): 1795-1806.e5 PMID34174194show ga
Designing covalent inhibitors is increasingly important, although it remains challenging. Here, we present covalentizer, a computational pipeline for identifying irreversible inhibitors based on structures of targets with non-covalent binders. Through covalent docking of tailored focused libraries, we identify candidates that can bind covalently to a nearby cysteine while preserving the interactions of the original molecule. We found approximately 11,000 cysteines proximal to a ligand across 8,386 complexes in the PDB. Of these, the protocol identified 1,553 structures with covalent predictions. In a prospective evaluation, five out of nine predicted covalent kinase inhibitors showed half-maximal inhibitory concentration (IC(50)) values between 155 nM and 4.5 muM. Application against an existing SARS-CoV M(pro) reversible inhibitor led to an acrylamide inhibitor series with low micromolar IC(50) values against SARS-CoV-2 M(pro). The docking was validated by 12 co-crystal structures. Together these examples hint at the vast number of covalent inhibitors accessible through our protocol.