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. 2021 Apr 20;9:672267. doi: 10.3389/fchem.2021.672267

Figure 9.

Figure 9

Mode of action of cyanoacrylamide-derivatized PROTAC after cellular internalization. The presence of an electrophilic group allows a reversible covalent bond between the degrader and a reactive Cys belonging to the protein of interest. TOI is eliminated while PROTAC regenerated.