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A novel correlation for protein diffusion coefficients based on molecular weight and radius of gyration
1GKSS Research Center, Institute for Coastal Research/Physical and Chemical Analysis, D-21502 Geesthacht, Germany.
Abstract:
A new correlation is proposed for the prediction of protein diffusion coefficients in free solution. Molecular weight and radius of gyration of proteins are employed as correlation parameters in this method. Both parameters can be easily found in the literature. The correlation works well for diverse proteins with different shapes and extensive molecular weight. Furthermore, this method does not require a preassumption regarding the protein shape while it offers a rapid and convenient calculation with a high accuracy. Also, the proposed correlation can elucidate the estimation deviation of previous correlation methods in the literature.