Monitoring Protein Folding Through High Pressure NMR Spectroscopy

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Monitoring Protein Folding Through High Pressure NMR Spectroscopy

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06-02-2017, 08:33 PM

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Monitoring Protein Folding Through High Pressure NMR Spectroscopy

Monitoring Protein Folding Through High Pressure NMR Spectroscopy

Publication date: Available online 2 June 2017
Source:Progress in Nuclear Magnetic Resonance Spectroscopy

Author(s): Julien Roche, Catherine A. Royer, Christian Roumestand

High-pressure is a well-known perturbation method used to destabilize globular proteins. It is perfectly reversible, which is essential for a proper thermodynamic characterization of a protein equilibrium. In contrast to other perturbation methods such as heat or chemical denaturant that destabilize protein structures uniformly, pressure exerts local effects on regions or domains of a protein containing internal cavities. When combined with NMR spectroscopy, hydrostatic pressure offers the possibility to monitor at a residue level the structural transitions occurring upon unfolding and to determine the kinetic properties of the process. High-pressure NMR experiments can now be routinely performed, owing to the recent development of commercially available high-pressure sample cells. This review summarizes recent advances and some future directions of high-pressure NMR techniques for the characterization at atomic resolution of the energy landscape of protein folding.
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