Covalent chemistry in targeted protein degradation

Area of Science:

• Biochemistry
• Medicinal Chemistry
• Drug Discovery

Background:

• Targeted protein degradation (TPD) utilizes cellular pathways to selectively remove proteins.
• Covalent chemistry is increasingly vital in TPD for enhanced target engagement and selectivity.
• Non-covalent interactions in TPD face limitations that covalent approaches can overcome.

Purpose of the Study:

• To provide a comprehensive review of covalent targeted protein degradation (TPD).
• To explore how covalent chemistry advances TPD strategies and drug discovery.
• To highlight the design, discovery, and therapeutic applications of covalent degraders.

Main Methods:

• Detailed review of covalent modification strategies, reactive amino acid residues, and electrophilic warheads.
• Systematic exploration of covalent ligand discovery methodologies (ligand-first and electrophile-first).
• Analysis of specific covalent degrader examples across various TPD modalities.

Main Results:

• Covalent chemistry offers diverse strategies for designing potent and selective degraders.
• Established methodologies facilitate the discovery of novel covalent ligands.
• Covalent degraders show significant therapeutic potential across different TPD modalities.

Conclusions:

• Covalent TPD represents a significant advancement in drug discovery.
• Insights into covalent design and discovery are crucial for developing next-generation therapeutics.
• Covalent degraders hold immense promise for the future of medicine.