0000000000880800

AUTHOR

Yu. F. Krupyanskii

showing 2 related works from this author

Dynamics of protein-water systems revealed by Rayleigh scattering of Mössbauer radiation (RSMR)

1990

A critical review of recent studies of protein dynamics by the RSMR technique is given. The main approximations in quantitative analyses of RSMR data are discussed and conclusions about dynamical properties of protein and interprotein water, deduced from experiments, are described.

Nuclear and High Energy PhysicsChemistryProtein dynamicsDynamics (mechanics)RadiationCondensed Matter PhysicsAtomic and Molecular Physics and Opticssymbols.namesakeChemical physicsMössbauer spectroscopysymbolsStatistical physicsPhysical and Theoretical ChemistryRayleigh scatteringHyperfine Interactions
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Dielectric relaxation models applied of the dynamics of myoglobin as determined by Mössbauer spectroscopy

1996

Abstract Protein specific modes of motions are found in myoglobin crystals above 180 K. In this contribution we show that this type of motions can be analyzed by a Davidson-Cole, a Cole-Cole or a Havriliak-Negami distribution in analogy to dielectric relaxation. However, the temperature dependence of the obtained parameters is quite unusual indicating a broadening of the distributions with temperature instead of motional narrowing. This can be understood from the picture of conformational substates if one assumes that more and more substates become accessible with increasing temperature. The result shows that the analogy between glass forming organic liquids and proteins should not be exagg…

Dynamics (mechanics)General Physics and AstronomyDielectricGlass formingchemistry.chemical_compoundNuclear magnetic resonanceMyoglobinchemistryChemical physicsMössbauer spectroscopyRelaxation (physics)Organic liquidsPhysical and Theoretical ChemistryMotional narrowingChemical Physics
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