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Application of the thermorheologically complex nonlinear Adam-Gibbs model for the glass transition to molecular motion in hydrated proteins.
- Source :
-
Biophysical journal [Biophys J] 2006 Aug 01; Vol. 91 (3), pp. 993-5. Date of Electronic Publication: 2006 May 05. - Publication Year :
- 2006
-
Abstract
- The nonlinear thermorheologically complex Adam Gibbs (extended "Scherer-Hodge") model for the glass transition is applied to enthalpy relaxation data reported by Sartor, Mayer, and Johari for hydrated methemoglobin. A sensible range in values for the average localized activation energy is obtained (100-200 kJ mol(-1)). The standard deviation in the inferred Gaussian distribution of activation energies, computed from the reported KWW beta-parameter, is approximately 30% of the average, consistent with the suggestion that some relaxation processes in hydrated proteins have exceptionally low activation energies.
Details
- Language :
- English
- ISSN :
- 0006-3495
- Volume :
- 91
- Issue :
- 3
- Database :
- MEDLINE
- Journal :
- Biophysical journal
- Publication Type :
- Academic Journal
- Accession number :
- 16679368
- Full Text :
- https://doi.org/10.1529/biophysj.106.080796