Abstract
The general RNA polymerase II transcription factor TFIIE, which is composed of two subunits, has essential roles in both transcription initiation and promoter escape. Electron microscopy analysis of negatively stained human TFIIE showed a large proportion of α/β heterodimers as well as a small proportion of tetramers. Analytical ultracentrifugation, chemical crosslinking, pulldown experiments and cryo‐electron microscopy confirmed that TFIIE is a α/β heterodimer in solution. Three‐dimensional envelopes of the α/β particles showed an elongated structure composed of three distinct modules. Finally, a model for the quaternary architecture of the complex is proposed that provides a structural framework to discuss the function of TFIIE in the context of RNA polymerase II transcription initiation.
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Dates
Type | When |
---|---|
Created | 19 years, 5 months ago (March 17, 2006, 10:48 a.m.) |
Deposited | 1 year, 8 months ago (Dec. 18, 2023, 3:58 p.m.) |
Indexed | 1 year, 3 months ago (May 7, 2024, 4:14 p.m.) |
Issued | 19 years, 5 months ago (March 17, 2006) |
Published | 19 years, 5 months ago (March 17, 2006) |
Published Online | 19 years, 5 months ago (March 17, 2006) |
Published Print | 19 years, 3 months ago (May 1, 2006) |
@article{Jawhari_2006, title={Structure and oligomeric state of human transcription factor TFIIE}, volume={7}, ISSN={1469-3178}, url={http://dx.doi.org/10.1038/sj.embor.7400663}, DOI={10.1038/sj.embor.7400663}, number={5}, journal={EMBO reports}, publisher={Springer Science and Business Media LLC}, author={Jawhari, Anass and Uhring, Muriel and De Carlo, Sacha and Crucifix, Corinne and Tocchini‐Valentini, Guiseppe and Moras, Dino and Schultz, Patrick and Poterszman, Arnaud}, year={2006}, month=mar, pages={500–505} }