Dynamical Transition of Collective Motions in Dry Proteins
Journal Article
·
· Physical Review Letters
- Shanghai Jiao Tong Univ. (China)
- National Inst. of Standards and Technology (NIST), Shanghai (China)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
- Univ. of Tennessee, Knoxville, TN (United States)
- Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
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 rigid, nonfunctional form to a flexible, functional state, as detected in hydrogenated protein by incoherent neutron scattering, requires hydration. We report on coherent neutron scattering experiments on perdeuterated proteins and reveal that a transition occurs in dry proteins at the same temperature resulting primarily from the collective heavy-atom motions. Furthermore, the dynamical transition discovered is intrinsic to the energy landscape of dry proteins.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- AC05-00OR22725; DMR-1508249
- OSTI ID:
- 1376609
- Alternate ID(s):
- OSTI ID: 1372727
- Journal Information:
- Physical Review Letters, Vol. 119, Issue 4; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 23 works
Citation information provided by
Web of Science
Web of Science
The effects of pressure on the energy landscape of proteins
|
journal | February 2018 |
Analysis of elastic incoherent neutron scattering data beyond the Gaussian approximation
|
journal | December 2018 |
Role of hydration water in the onset of protein structural dynamics
|
journal | August 2019 |
Evidence of a low-temperature dynamical transition in concentrated microgels
|
journal | September 2018 |
Evidence of a low-temperature dynamical transition in concentrated microgels | text | January 2018 |
Similar Records
Determination of functional collective motions in a protein at atomic resolution using coherent neutron scattering
Protein-style dynamical transition in a non-biological polymer and a non-aqueous solvent
Structure and collective dynamics of hydrated anti-freeze protein type III from 180 K to 298 K by X-ray diffraction and inelastic X-ray scattering
Journal Article
·
Fri Oct 14 00:00:00 EDT 2016
· Science Advances
·
OSTI ID:1376609
+3 more
Protein-style dynamical transition in a non-biological polymer and a non-aqueous solvent
Journal Article
·
Tue Mar 15 00:00:00 EDT 2016
· Journal of Physical Chemistry. B, Condensed Matter, Materials, Surfaces, Interfaces and Biophysical Chemistry
·
OSTI ID:1376609
+1 more
Structure and collective dynamics of hydrated anti-freeze protein type III from 180 K to 298 K by X-ray diffraction and inelastic X-ray scattering
Journal Article
·
Thu Apr 07 00:00:00 EDT 2016
· Journal of Chemical Physics
·
OSTI ID:1376609
+2 more