Abstract:The 3′ end formation of mammalian pre-mRNA contributes to gene expression regulation by setting the downstream boundary of the 3′ untranslated region, which in many genes carries regulatory sequences. A large number of protein cleavage factors participate in this pre-mRNA processing step, but chemical tools to manipulate this process are lacking. Guided by a hypothesis that a PPM1 family phosphatase negatively regulates the 3′ cleavage reaction, we have found a variety of new small molecule activators of the i… Show more
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