Targeted point mutations of p53 lead to dominant-negative inhibition of wild-type p53 function

Abstract excerpt

The p53 tumor suppressor gene is the most frequently mutated gene in human cancers, and germ-line p53 mutations cause a familial predisposition for cancer. Germ-line or sporadic p53 mutations are usually missense and typically affect the central DNA-binding domain of the protein. Because p53 functions as a tetrameric transcription factor, mutant p53 is thought to inhibit the function of wild-type p53 protein....

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