Biochem/physiol Actions
JNS 1-40 is a potent and selective cysteine-reactive covalent ligand of regulatory subunit PPP2R1A of the tumor-suppressor protein phosphatase 2A (PP2A) that activate PP2A in vitro and in vivo. JNS 1-40 targets C377 of PPP2R1A and inhibits breast cancer proliferation, and in vivo tumor growth.
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