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Structural insights into transcription initiation by RNA polymerase II.


ABSTRACT: Transcriptional regulation is one of the most important steps in control of cell identity, growth, differentiation, and development. Many signaling pathways controlling these processes ultimately target the core transcription machinery that, for protein coding genes, consists of RNA polymerase II (Pol II) and the general transcription factors (GTFs). New studies on the structure and mechanism of the core assembly and how it interfaces with promoter DNA and coactivator complexes have given tremendous insight into early steps in the initiation process, genome-wide binding, and mechanisms conserved for all nuclear and archaeal Pols. Here, we review recent developments in dissecting the architecture of the Pol II core machinery with a focus on early and regulated steps in transcription initiation.

SUBMITTER: Grunberg S 

PROVIDER: S-EPMC3843768 | biostudies-literature | 2013 Dec

REPOSITORIES: biostudies-literature

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Structural insights into transcription initiation by RNA polymerase II.

Grünberg Sebastian S   Hahn Steven S  

Trends in biochemical sciences 20131011 12


Transcriptional regulation is one of the most important steps in control of cell identity, growth, differentiation, and development. Many signaling pathways controlling these processes ultimately target the core transcription machinery that, for protein coding genes, consists of RNA polymerase II (Pol II) and the general transcription factors (GTFs). New studies on the structure and mechanism of the core assembly and how it interfaces with promoter DNA and coactivator complexes have given tremen  ...[more]

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