PhiKan083 is a small molecule that binds within a cavity on the surface of Y220C-mutated p53. This mutation, which is not involved in DNA interaction, causes a destabilization of the protein. PhiKan083 binding acts to stabilize the mutant p53 and slow the rate of denaturation.
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ACS chemical biology, 11(8), 2265-2274 (2016-06-09)
Many oncogenic mutants of the tumor suppressor p53 are conformationally unstable, including the frequently occurring Y220C mutant. We have previously developed several small-molecule stabilizers of this mutant. One of these molecules, PhiKan083, 1-(9-ethyl-9H-carbazole-3-yl)-N-methylmethanamine, binds to a mutation-induced surface crevice with
Proceedings of the National Academy of Sciences of the United States of America, 105(30), 10360-10365 (2008-07-25)
The tumor suppressor p53 is mutationally inactivated in approximately 50% of human cancers. Approximately one-third of the mutations lower the melting temperature of the protein, leading to its rapid denaturation. Small molecules that bind to those mutants and stabilize them
Restoration of the p53 pathway, namely by reactivation of mutant (mut) p53, represents a valuable anticancer strategy. Herein, we report the identification of the enantiopure tryptophanol-derived oxazoloisoindolinone SLMP53-1 as a novel reactivator of wild-type (wt) and mut p53, using a
The transcription factor and tumor suppressor protein p53 is the most frequently mutated and inactivated gene in cancer. Mutations in p53 result in deregulated cell proliferation and genomic instability, both hallmarks of cancer. There are currently no therapies available that
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