Bifunctional degrader molecules, also called proteolysis-targeting chimeras (PROTACs), are a new modality of chemical tools and potential therapeutics to understand and treat human disease. A required PROTAC component is a ligand binding to an E3 ubiquitin ligase, which is then joined to another ligand binding to a protein to be degraded via the ubiquitin–proteasome system. The advent of nonpeptidic small-molecule E3 ligase ligands revolutionized the field and ushered in the design of drug-like PROTACs with potent and selective degradation activity.
PROTAC (Proteolysis-Targeting Chimeras) is a promising approach in drug discovery that involves the use of small molecules to target specific proteins for degradation by the cellular machinery.
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