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Biofizika. 1990 Jan-Feb;35(1):21-6.

[Helix-coil transitions of a polypeptide in a two-component solvent].

[Article in Russian]


A microscopic model is considered of a helix-coil transition of polypeptides in a two-component solvent one of whose components competes for the formation of hydrogen bonds with the peptide group. It is shown that by a redetermination of the temperature parameter the model is reduced to a polypeptide chain without the solvent. Behavior of the transition parameters is calculated in relation to the solvent concentration competing for the formation of hydrogen bonds at different parameters of polypeptide-solvent interaction.

[PubMed - indexed for MEDLINE]
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