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Article Dans Une Revue Journal of the American Chemical Society Année : 2021

Supramolecular Enhancement of a Natural 14-3-3 Protein Ligand

Résumé

Rational design of protein-protein interaction (PPI) inhibitors is challenging. Connecting a general supramolecular protein binder with a specific peptidic ligand provides a novel conceptual approach. Thus, lysine-specific molecular tweezers were conjugated to a peptide-based 14-3-3 ligand and produced a strong PPI inhibitor with 100-fold elevated protein affinity. X-ray crystal structure elucidation of this supramolecular directed assembly provides unique molecular insight into the binding mode and fully aligns with Molecular Dynamics (MD) simulations. This new supramolecular chemical biology concept opens the path to novel chemical tools for studying PPIs.

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Chimie
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Dates et versions

hal-03414037 , version 1 (04-11-2021)

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Xavier Guillory, Inesa Hadrovic, Pim J. de Vink, Andrea Sowislok, Luc Brunsveld, et al.. Supramolecular Enhancement of a Natural 14-3-3 Protein Ligand. Journal of the American Chemical Society, 2021, 143 (34), pp.13495-13500. ⟨10.1021/jacs.1c07095⟩. ⟨hal-03414037⟩
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