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. 2021 Mar 10;9:639176. doi: 10.3389/fchem.2021.639176

FIGURE 2.

FIGURE 2

Structures of the representative photoswitchable PROTACs. BRD4, bromodomain-containing protein 4; VHL, von Hippel–Lindau; CRBN, cereblon (Pfaff et al., 2019; Jin et al., 2020; Reynders et al., 2020).