Cited by 77Chemical Synthesis and AnalysisClick Chemistry and ApplicationsAdvanced biosensing and bioanalysis techniques

A Specific and Covalent JNK‐1 Ligand Selected from an Encoded Self‐Assembling Chemical Library

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Zimmermann, Gunther, Rieder, Ulrike, Bajic, Davor, Vanetti, Sara, Chaikuad, Apirat, Knapp, Stefan, Scheuermann, Jörg, Mattarella, Martin +1 more·2017·Chemistry – A European Journal

Abstract

We describe the construction of a DNA‐encoded chemical library comprising 148 135 members, generated through the self‐assembly of two sub‐libraries, containing 265 and 559 members, respectively. The library was designed to contain building blocks potentially capable of forming covalent interactions with target proteins. Selections performed with JNK1, a kinase containing a conserved cysteine residue close to the ATP binding site, revealed the preferential enrichment of a 2‐phenoxynicotinic acid moiety (building block A82) and a 4‐(3,4‐difluorophenyl)‐4‐oxobut‐2‐enoic acid moiety (building block B272). When the two compounds were joined by a short PEG linker, the resulting bidentate binder (A82‐L‐B272) was able to covalently modify JNK1 in the presence of a large molar excess of glutathione (0.5 m m), used to simulate intracellular reducing conditions. By contrast, derivatives of the individual building blocks were not able to covalently modify JNK1 in the same experimental conditions. The A82‐L‐B272 ligand was selective over related kinases (BTK and GAK), which also contain targetable cysteine residues in the vicinity of the active site.

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  • Cysteine-targeted DNA-encoded or protein-nucleic acid-encoded libraries have identified covalent ligands for bromodomains including PCAF and BRD4, as well as for JNK1, MEK2, and HER2.

    “over the past 5 years, cysteine-targeted DNA-encoded or protein–nucleic acid-encoded libraries have been used to identify covalent ligands for bromodomains, including PCAF and BRD4, as well as for JNK1, MEK2 and HER2 (refs.160–162).”

    From Advances in covalent drug discovery (2022) · cites this paper as [160]

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Authors
Zimmermann, G., Rieder, U., Bajic, D., Vanetti, S., Chaikuad, A., Knapp, S., Scheuermann, J., Mattarella, M., & Neri, D.
Affiliations
  • ETH Zurich (CH)
  • Philochem (Switzerland) (CH)
  • Goethe University Frankfurt (DE)
Corresponding author
  • Mattarella, Martin
  • Neri, Dario
Venue
Chemistry – A European Journal
Publisher
Wiley
Published
2017-05-30
Volume
23
Issue
34
Pages
8152-8155
ISSN
  • 0947-6539 (ISSN-L)
  • 1521-3765
OpenAlex
W2613253068
Cited by
77
References
52
Citations by year
2026: 8 · 2025: 7 · 2024: 10 · 2023: 4 · 2022: 12 · 2021: 8 · 2020: 11 · 2019: 6 · 2018: 10 · 2017: 1
FWCI
3.13
Type
journal article
Language
en
Open access
Locations
  • Chemistry - A European Journal (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Repository for Publications and Research Data (ETH Zurich) (submittedVersion, other-oa)
  • ETH Zürich Research Collection
Funders
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (CRSII2_160699, 310030B_163479/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chemical Synthesis and Analysis
  • Physical Sciences › Chemistry › Organic Chemistry › Click Chemistry and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Advanced biosensing and bioanalysis techniques
Keywords
JNK1, covalent kinase inhibitors, DNA-encoded libraries, PEG linker, glutathione, kinase selectivity, Bruton's tyrosine kinase, GAK
MeSH terms
Ligands, Gene Library, Mitogen-Activated Protein Kinase 8, Small Molecule Libraries

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