Distinct Cdk9-phosphatase switches act at the beginning and end of elongation by RNA polymerase II
Cdk9 (P-TEFb) and its substrate Spt5 influence events throughout the transcription cycle. Here, the authors define two switches with the potential to regulate promoter-proximal pause release and termination, respectively containing phosphatases PP4 and PP1, which are both inhibited by Cdk9, but have...
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| Autores principales: | , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Nature Portfolio
2020
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/8e61f919126a433ba10ee6df1e7aa926 |
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| Sumario: | Cdk9 (P-TEFb) and its substrate Spt5 influence events throughout the transcription cycle. Here, the authors define two switches with the potential to regulate promoter-proximal pause release and termination, respectively containing phosphatases PP4 and PP1, which are both inhibited by Cdk9, but have different specificities for sites on Spt5 and occupy opposite ends of genes. |
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