PHTPP-1304 is a PHTPP-based autophagy targeting chimera (AUTOTAC) that induces p62 self-oligomerization and degradation of estrogen receptor ERβ (DC50:~2 nM, HEK293T). PHTPP-1304 also induces the formation of p62+ERβ+ puncta that are affected by autophagic flux in a dose-dependent manner.
References:
[1]. Ji CH, et al. The AUTOTAC chemical biology platform for targeted protein degradation via the autophagy-lysosome system. Nat Commun. 2022 Feb 16;13(1):904. doi: 10.1038/s41467-022-28520-4. Erratum in: Nat Commun. 2022 Apr 12;13(1):2108.