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465
Exploring Extended Warheads toward Developing Cysteine-Targeted Covalent Kinase Inhibitors
1School of Data Science and Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia 22904, United States.
Journal of Chemical Information and Modeling
|December 10, 2024
Summary
Medicinal chemists can now explore new electrophile chemical space for designing covalent kinase inhibitors (CKIs). This study analyzes extended warheads, offering insights to guide CKI development.
Area of Science:
- Medicinal Chemistry
- Chemical Biology
- Drug Discovery
Background:
- Designing covalent kinase inhibitors (CKIs) requires careful selection of electrophilic warheads for precise nucleophile interaction.
- Limited known electrophiles necessitate exploring adjacent chemical space to expand options for covalent inhibition.
Purpose of the Study:
- To systematically analyze characteristics of warheads and adjacent fragments for CKI design.
- To provide structural insights and delineate chemical properties of extended warheads.
Main Methods:
- Collected a dataset of 16,961 cysteine-targeted CKIs from multiple databases.
- Analyzed 30 common warheads and 1344 unique adjacent fragments within extended warheads.
Main Results:
- Identified popular patterns in extended warheads, including reversible CKI patterns for cyanoacrylamide and aldehyde warheads.
- Provided structural insights and chemical properties of extended warheads.
Conclusions:
- This study offers medicinal chemists novel insights into extended warheads for CKI design.
- Presents a comprehensive resource of adjacent fragments to guide CKI synthesis and optimization.

