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Position: Home > issue > January 25, 2022 Volume 3, Issue 1
Experimental mapping of short-wavelength phonons in proteins
Category:   Report   Download:  PDF  Figure  Endnote
Author: Utsab R. Shrestha, Eugene Mamontov, Hugh M. O'Neill, Qiu Zhang, Alexander I. Kolesnikov, Xiangqiang Chu

1111.jpg

Graphical abstract

Phonons are quasi-particles, observed as lattice vibrations in periodic materials, that often dampen in the presence of structural perturbations. Nevertheless, phonon-like collective excitations exist in highly complex systems, such as proteins, although the origin of such collective motions has remained elusive. Here we present a picture of temperature and hydration dependence of collective excitations in green fluorescent protein (GFP) obtained by inelastic neutron scattering. Our results provide evidence that such excitations can be used as a measure of flexibility/softness and are possibly associated with the protein¡¯s activity.


DOI:
https://doi.org/10.1016/j.xinn.2021.100199

Citation:
Shrestha U., Mamontov E., O¡¯Neill H., et al. (2021). Experimental Mapping of Short-wavelength Phonons in Protein. The Innovation. 3(1),100199.





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