Binding conformational analysis

Gilson M K and B Honig 1988. Calculation of the Total Electrostatic Energy of a Macromoleculai System Solvation Energies, Binding Energies and Conformational Analysis. Proteins Structure Function and Genetics 4 7-18. 

MK Gilson, B Homg. Calculation of the total electrostatic energy of a macromolecular system Solution energies, binding energies, and conformational analysis. Proteins 4 7-18, 1988. 

Figure 10.8 Three-point binding model for prediction of NeuA stereoselectivity based on conformational analysis.

Perola, E., Charifson, P. S. Conformational analysis of drug-like molecules bound to proteins an extensive study of ligand reorganization upon binding. /. Med. Chem. 2004, 47, 2499-2510. 

Indeed, considering the latter 3D QSAR model, the features that make a molecule suitable to bind to the hERG channel start delineating in a chemically interpretable manner, but, it is rather dear how these kinds of models emphasize mostly the 3D steric aspects of molecules, depending mainly on factors such as the conformation (or the conformational analysis protocol) or the alignment of the molecules. To obtain a description of the characteristics of hERG-blocking molecules in terms of measurable (computable) properties in a way that the physicochemical determinants of the activity can be identified, the classical 2D QSAR approach is well suited. 

Conformational analysis of the binding mode of one of the inhibitors has indicated that the Si and S3 pockets constitute a large contiguous. 

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