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  Nano positioning system reveals the course of upstream and nontemplate DNA within the RNA polymerase II elongation complex

Andrecka, J., Treutlein, B., Arcusa, M. A. I., Muschielok, A., Lewis, R., Cheung, A. C. M., et al. (2009). Nano positioning system reveals the course of upstream and nontemplate DNA within the RNA polymerase II elongation complex. Nucleic Acids Research, 37(17), 5803-5809. doi:10.1093/nar/gkp601.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-8590-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-C568-5
Genre: Journal Article

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 Creators:
Andrecka, J., Author
Treutlein, B., Author
Arcusa, M. A. I., Author
Muschielok, A., Author
Lewis, R., Author
Cheung, A. C. M., Author
Cramer, P.1, Author              
Michaelis, J., Author
Affiliations:
1Department of Molecular Biology, MPI for Biophysical Chemistry, Max Planck Society, ou_1863498              

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 Abstract: Crystallographic studies of the RNA polymerase II (Pol II) elongation complex (EC) revealed the locations of downstream DNA and the DNA-RNA hybrid, but not the course of the nontemplate DNA strand in the transcription bubble and the upstream DNA duplex. Here we used singlemolecule Fluorescence Resonance Energy Transfer (smFRET) experiments to locate nontemplate and upstream DNA with our recently developed Nano Positioning System (NPS). In the resulting complete model of the Pol II EC, separation of the nontemplate from the template strand at position +2 involves interaction with fork loop 2. The nontemplate strand passes loop b10-b11 on the Pol II lobe, and then turns to the other side of the cleft above the rudder. The upstream DNA duplex exits at an approximately right angle from the incoming downstream DNA, and emanates from the cleft between the protrusion and clamp. Comparison with published data suggests that the architecture of the complete EC is conserved from bacteria to eukaryotes and that upstream DNA is relocated during the initiation–elongation transition.

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Language(s): eng - English
 Dates: 2009-07-20
 Publication Status: Published online
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 Rev. Method: Peer
 Identifiers: DOI: 10.1093/nar/gkp601
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Title: Nucleic Acids Research
Source Genre: Journal
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Pages: - Volume / Issue: 37 (17) Sequence Number: - Start / End Page: 5803 - 5809 Identifier: -