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Protein structural dynamics by Magic-Angle Spinning NMR

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Bonaccorsi, Marta | Le Marchand, Tanguy | Pintacuda, Guido

Edité par CCSD ; Elsevier -

International audience. Magic-Angle Spinning (MAS) Nuclear Magnetic Resonance (NMR) is a fastdeveloping technique, capable of complementing solution NMR, X-ray crystallography and electron microscopy for the biophysical characterization of microcrystalline, poorly crystalline or disordered protein samples, such as enzymes, biomolecular assemblies, membraneembedded systems or fibrils. Beyond structures, MAS NMR is an ideal tool for investigation of dynamics, since it is unique in its ability to distinguish static and dynamic disorder, and to characterize not only amplitudes, but also timescales of motion. Building on seminal work on model proteins, the technique is now ripe for widespread application in structural biology. This review briefly summarizes the recent evolutions in biomolecular MAS NMR and accounts for the growing number of systems where this spectroscopy has provided a description of conformational dynamics over the very last few years.

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