Specific ion effects in solution of globular proteins: Comparison between analytical models and simulation

Article Abstract:

Monte Carlo simulations are performed for ion distributions outside a single globular macroin and for a pair of macroions in different salt solutions. Simulations results are compared with the predictions of the Ornstein-Zernike equation with the hypernetted chain closure approximation and the predictions and the nonlinear Poisson-Boltzmann equation, both augmented by pertinent van der Waals terms.

Methods, Transport theory, Simulated annealing (Mathematics)

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Ion specific surface forces between membrane surfaces

Article Abstract:

The ion distribution and forces between lipid membranes, which depend on effects due to the intervening salt solution, is explained. Ionic dispersion potentials acting between ions and the two surfaces are due to ionic physisorption caused by attractive nonelectrostatic (NES) ionic dispersion potentials.

Science & research, Research, Lipid membranes, Chemical reactions

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Measurement of solvation responses at multiple sites in a globular protein

Article Abstract:

The characterization of the solvation kinetics at sites throughout the sequence of a small globular protein, the B1 domain of streptococcal protein G (GB1) which was carried out by using the synthetic fluorescent amino acid Aladan is presented.

Fluorescence, Solvation, Dynamics, Dynamics (Mechanics)

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