Proteolysis-targeting chimera (PROTAC) has been developed as a therapeutic modality and a powerful research tool for targeted protein degradation. A heterobifunctional PROTAC molecule consists of three elements: a ligand that binds to the target protein (TP), a ligand that binds to E3 ubiquitin ligase, and a linker that conjugates these two ligands. PROTAC is a fast and reversible chemical knockdown strategy that degrades the target protein through ubiquitin-proteosome system. Upon binding to the target protein, the PROTAC recruits E3 for the TP ubiquitination, which results in proteasome-mediated degradation.
https://www.profacgen.com/protac-discovery-and-development.html
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