Molecular basis for RNA polymerase-dependent transcription complex recycling by the helicase-like motor protein HelD

Gram-positive bacteria contain a transcription factor HelD that is able to remove and recycle stalled transcription complexes. Here the authors provide mechanistic insights into this process by determining the cryo-EM structures of the Bacillus subtilis RNA polymerase (RNAP) elongation complex and t...

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Autores principales: Timothy P. Newing, Aaron J. Oakley, Michael Miller, Catherine J. Dawson, Simon H. J. Brown, James C. Bouwer, Gökhan Tolun, Peter J. Lewis
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/5ba51ba3f90b4dc994ae7757d1617c0b
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Sumario:Gram-positive bacteria contain a transcription factor HelD that is able to remove and recycle stalled transcription complexes. Here the authors provide mechanistic insights into this process by determining the cryo-EM structures of the Bacillus subtilis RNA polymerase (RNAP) elongation complex and the RNAP-HelD transcription recycling complex and propose a model of HelD catalysed transcription recycling.