Protein dynamics: from rattling in a cage to structural relaxation

S Khodadadi, AP Sokolov - Soft Matter, 2015 - pubs.rsc.org
We present an overview of protein dynamics based mostly on results of neutron scattering,
dielectric relaxation spectroscopy and molecular dynamics simulations. We identify several …

Role of hydration water in the onset of protein structural dynamics

G Schirò, M Weik - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
Proteins are the molecular workhorses in a living organism. Their 3D structures are
animated by a multitude of equilibrium fluctuations and specific out-of-equilibrium motions …

Direct observation of hierarchical protein dynamics

JR Lewandowski, ME Halse, M Blackledge, L Emsley - Science, 2015 - science.org
One of the fundamental challenges of physical biology is to understand the relationship
between protein dynamics and function. At physiological temperatures, functional motions …

Dynamics of protein and its hydration water: neutron scattering studies on fully deuterated GFP

JD Nickels, H O'Neill, L Hong, M Tyagi, G Ehlers… - Biophysical journal, 2012 - cell.com
We present a detailed analysis of the picosecond-to-nanosecond motions of green
fluorescent protein (GFP) and its hydration water using neutron scattering spectroscopy and …

Microbial rhodopsins

I Gushchin, V Gordeliy - Membrane Protein Complexes: Structure and …, 2018 - Springer
Microbial rhodopsins (MRs) are a large family of photoactive membrane proteins, found in
microorganisms belonging to all kingdoms of life, with new members being constantly …

A polymer surfactant corona dynamically replaces water in solvent-free protein liquids and ensures macromolecular flexibility and activity

FX Gallat, APS Brogan, Y Fichou… - Journal of the …, 2012 - ACS Publications
The observation of biological activity in solvent-free protein–polymer surfactant hybrids
challenges the view of aqueous and nonaqueous solvents being unique promoters of …

Physical origin of anharmonic dynamics in proteins: new insights from resolution-dependent neutron scattering on homomeric polypeptides

G Schiró, F Natali, A Cupane - Physical Review Letters, 2012 - APS
Neutron scattering reveals a complex dynamics in polypeptide chains, with two main onsets
of anharmonicity whose physical origin and biological role are still debated. In this study the …

Derivation of mean-square displacements for protein dynamics from elastic incoherent neutron scattering

Z Yi, Y Miao, J Baudry, N Jain… - The Journal of Physical …, 2012 - ACS Publications
The derivation of mean-square displacements from elastic incoherent neutron scattering
(EINS) of proteins is examined, with the aid of experiments on camphor-bound cytochrome …

Dynamical transition of collective motions in dry proteins

Z Liu, J Huang, M Tyagi, H O'Neill, Q Zhang… - Physical Review Letters, 2017 - APS
Water is widely assumed to be essential for protein dynamics and function. In particular, the
well-documented “dynamical” transition at∼ 200 K, at which the protein changes from a …

Dynamic neutron scattering by biological systems

JC Smith, P Tan, L Petridis… - Annual review of …, 2018 - annualreviews.org
Dynamic neutron scattering directly probes motions in biological systems on femtosecond to
microsecond timescales. When combined with molecular dynamics simulation and normal …