期刊
CHEMICAL PHYSICS
卷 345, 期 2-3, 页码 305-314出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chemphys.2007.09.012
关键词
ribonuclease A; protein dynamics; mean square displacements; dynamical transition; Boson peak; generalised density of states; methyl group rotation; quasi-elastic neutron scattering; global protein diffusion
The dynamics of Ribonuclease A was explored in the full range of time and length-scales accessible by neutron spectroscopy, on time-of-flight, backscattering and spin-echo spectrometers. Samples were examined in dry and hydrated powder forms and in concentrated and dilute solutions. The aim of the study was an experimental characterisation of the full variety of protein dynamics arising from stabilisation forces. The results provide a benchmark against which other sample dynamics can be compared. (C) 2007 Elsevier B.V. All rights reserved.
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