New mathematical procedure for analysis of data obtained by means of circular dichroism titration method
D Vandev1, K Prodanova, V Russeva
1University of Sofía, Faculty of Mathematics, Department of Statistics, Sofía, Bulgaria.
Abstract:
A new approach for analysis of circular dichroism titration data for the investigation of drug-protein binding is proposed. The molar ellipticity change and the total drug concentration are considered as a function of the concentration of unbound (free) drug. A new minimization algorithm for estimating the number of classes of binding sites and the association constants is developed. The proposed algorithm offers a statistical criterion to choose the best model for fit of experimentea data. In addition the given procedure estimates the concentration of umbound drug.
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