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The use of EPR spectroscopy to study transcription mechanisms

期刊

BIOPHYSICAL REVIEWS
卷 14, 期 5, 页码 1141-1159

出版社

SPRINGERNATURE
DOI: 10.1007/s12551-022-01004-x

关键词

EPR spectroscopy; CW-EPR; DEER; Protein-DNA interaction; CueR

资金

  1. National Science Foundation-Binational Science Foundation [MCB-2006154, 2019723]
  2. BSF [2018029]

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Electron paramagnetic resonance (EPR) spectroscopy is a promising structural biology tool to unravel complex and dynamic biological mechanisms. In this article, the advantages of continuous wave (CW) and pulsed EPR distance measurements in resolving transcription processes and protein-DNA interaction are discussed.
Electron paramagnetic resonance (EPR) spectroscopy has become a promising structural biology tool to resolve complex and dynamic biological mechanisms in-vitro and in-cell. Here, we focus on the advantages of continuous wave (CW) and pulsed EPR distance measurements to resolve transcription processes and protein-DNA interaction. The wide range of spin-labeling approaches that can be used to follow structural changes in both protein and DNA render EPR a powerful method to study protein-DNA interactions and structure-function relationships in other macromolecular complexes. EPR-derived data goes well beyond static structural information and thus serves as the method of choice if dynamic insight is needed. Herein, we describe the conceptual details of the theory and the methodology and illustrate the use of EPR to study the protein-DNA interaction of the copper-sensitive transcription factor, CueR.

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