Resumen
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.
| Idioma original | English (US) |
|---|---|
| Páginas (desde-hasta) | 12028-12032 |
| Número de páginas | 5 |
| Publicación | Proceedings of the National Academy of Sciences of the United States of America |
| Volumen | 89 |
| N.º | 24 |
| Estado | Published - 1992 |
| Publicado de forma externa | Sí |
ASJC Scopus subject areas
- General
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