ArticleNucleic acids research2013
An aromatic residue switch in enhancer-dependent bacterial RNA polymerase controls transcription intermediate complex activity.
Article in Nucleic acids research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 6 citations in OpenAlex.
- Mutations in the CRE pocket of bacterial RNA polymerase affect multiple steps of transcription.Nucleic acids research · 2015Article
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3 authors at 1 institution in 1 country.
Funding
Abstract
The formation of the open promoter complex (RPo) in which the melted DNA containing the transcription start site is located at the RNA polymerase (RNAP) catalytic centre is an obligatory step in the transcription of DNA into RNA catalyzed by RNAP. In the RPo, an extensive network of interactions is established between DNA, RNAP and the σ-factor and the formation of functional RPo occurs via a series of transcriptional intermediates (collectively 'RPi'). A single tryptophan is ideally positioned to directly engage with the flipped out base of the non-template strand at the +1 site. Evidence suggests that this tryptophan (i) is involved in either forward translocation or DNA scrunching and (ii) in σ(54)-regulated promoters limits the transcription activity of at least one intermediate complex (RPi) before the formation of a fully functional RPo. Limiting RPi activity may be important in preventing the premature synthesis of abortive transcripts, suggesting its involvement in a general mechanism driving the RPi to RPo transition for transcription initiation.
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