Myths and verities in protein folding theories Part II: From Kauzmann’s conjecture to the dominance of the hydrophobic effectJournal: Journal of Advances in Chemistry (Vol.3, No. 2)
Publication Date: 2013-08-15
Authors : Arieh Ben Naim;
Page : 205-212
Keywords : Protein folding; Kauzmann’s conjecture; hydrophobic; hydrophilic effects;
We start with Kauzmann’s conjecture regarding the factor which is most likely to determine the stability of the 3D structure of the proteins. We show first that Kauzmann’s model-process, on which the original conjecture was based is inadequate for the process of protein folding. The main reason for this is that protein folding involves the change in the conditional solvation of non-polar groups, not the solvation itself. The “condition” here is the presence of the protein backbone. Secondly, it is argued that various hydrophilic effects, both solvation and interactions are more likely to be dominant both in stabilizing the 3D-structure of proteins, as well as in determining the speed and the specificity of the folding process.
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