Cited by 95Click Chemistry and ApplicationsProtein Degradation and InhibitorsChemical Synthesis and Analysis

Beyond cysteine: recent developments in the area of targeted covalent inhibition

Mukherjee, Herschel, Grimster, Neil P·2018·Current Opinion in Chemical Biology

Abstract

Over the past decade targeted covalent inhibitors have undergone a renaissance due to the clinical validation and regulatory approval of several small molecule therapeutics that are designed to irreversibly modify their target protein. Invariably, these compounds rely on the serendipitous placement of a cysteine residue proximal to the small molecule binding site; while this strategy has afforded numerous successes, it necessarily limits the number of proteins that can be targeted by this approach. This drawback has led several research groups to develop novel methodologies that target non-cysteine residues for covalent modification. Herein, we survey the current literature of warheads that covalently modify non-cysteine amino acids in proteins.

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Crossref · 10.1016/j.cbpa.2018.05.011

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  • Covalent targeting of cysteine has not been successfully extended to other amino acids, making it questionable for KRAS mutants beyond G12C.

    “The druggability advantage of covalently targeting the nucleophilic cysteine residue has thus far not materialized for other amino acids (31) and hence is questionable whether this strategy can be successfully applied to KRAS mutant oncoproteins beyond KRASG12C.”

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Authors
Mukherjee, H., & Grimster, N. P.
Affiliations
  • Arrakis Therapeutics (United States) (US)
  • AstraZeneca (United States) (US)
Corresponding author
Grimster, Neil P
Venue
Current Opinion in Chemical Biology
Publisher
Elsevier BV
Published
2018-06
Volume
44
Pages
30-38
ISSN
1367-5931 (ISSN-L)
OpenAlex
W2807112095
Cited by
95
References
57
Citations by year
2026: 5 · 2025: 12 · 2024: 15 · 2023: 15 · 2022: 12 · 2021: 14 · 2020: 9 · 2019: 13
FWCI
0.67
Type
journal article
Language
en
Open access
closed
Locations
  • Current Opinion in Chemical Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
AstraZeneca
Topics
  • Physical Sciences › Chemistry › Organic Chemistry › Click Chemistry and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Degradation and Inhibitors
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chemical Synthesis and Analysis
Keywords
targeted covalent inhibitors, warheads, small molecule drugs
MeSH terms
Amino Acids, Animals, Cysteine, Humans, Pharmacology, Protein Conformation, Proteins, Drug Discovery, Molecular Targeted Therapy

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