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    Proc Natl Acad Sci U S A. 1992 Dec 15;89(24):12028-32.

    Wild-type p53 binds to the TATA-binding protein and represses transcription.

    Source

    Howard Hughes Medical Institute, Princeton University, NJ 08544-1014.

    Abstract

    p53 activates transcription of genes with a p53 response element, and it can repress genes lacking the element. Here we demonstrate that wild-type but not mutant p53 inhibits transcription in a HeLa nuclear extract from minimal promoters. Wild-type but not mutant p53 binds to human TATA-binding protein (TBP). p53 does not bind to yeast TBP, and it cannot inhibit transcription in a HeLa extract where yeast TBP substitutes for human TBP. These results suggest a model in which p53 binds to TBP and interferes with transcriptional initiation.

    PMID:
    1465435
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC50691
    Free PMC Article

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