Fragment‐Based Stabilizers of Protein–Protein Interactions through Imine‐Based Tethering

Abstract: Small‐molecule stabilization of protein–protein interactions (PPIs) is a promising concept in drug discovery, however the question how to identify or design chemical starting points in a “bottom‐up” approach is largely unanswered. We report a novel concept for identifying initial chemical matter for PPI stabilization based on imine‐forming fragments. The imine bond offers a covalent anchor for site‐directed fragment targeting, whereas its transient nature enables efficient analysis of structure–activity relationships. This bond enables fragment identification and optimisation using protein crystallography. We report novel fragments that bind specifically to a lysine at the PPI interface of the p65‐subunit‐derived peptide of NF‐κB with the adapter protein 14‐3‐3. Those fragments that subsequently establish contacts with the p65‐derived peptide, rather than with 14‐3‐3, efficiently stabilize the 14‐3‐3/p65 complex and offer novel starting points for molecular glues.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Fragment‐Based Stabilizers of Protein–Protein Interactions through Imine‐Based Tethering ; volume:59 ; number:48 ; year:2020 ; pages:21520-21524 ; extent:5
Angewandte Chemie / International edition. International edition ; 59, Heft 48 (2020), 21520-21524 (gesamt 5)

Creator
Wolter, Madita
Valenti, Dario
Cossar, Peter J.
Levy, Laura M.
Hristeva, Stanimira
Genski, Thorsten
Hoffmann, Torsten
Brunsveld, Luc
Tzalis, Dimitrios
Ottmann, Christian

DOI
10.1002/anie.202008585
URN
urn:nbn:de:101:1-2022061412020254157412
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:31 AM CEST

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Associated

  • Wolter, Madita
  • Valenti, Dario
  • Cossar, Peter J.
  • Levy, Laura M.
  • Hristeva, Stanimira
  • Genski, Thorsten
  • Hoffmann, Torsten
  • Brunsveld, Luc
  • Tzalis, Dimitrios
  • Ottmann, Christian

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