期刊
CENTRAL EUROPEAN JOURNAL OF PHYSICS
卷 11, 期 3, 页码 357-362出版社
DE GRUYTER POLAND SP ZOO
DOI: 10.2478/s11534-013-0184-6
关键词
cholesterol; denaturation; helix; phase transition
资金
- Villum Foundation
Helical structures with Lennard-Jones self-interactions are studied for optimal conformations. For this purpose, their self-energy is analyzed for extrema with respect to the geometric parameters of the helices. It is found that Lennard-Jones helices exhibit a first order phase transition from a state with large curvature of the helical backbone to one with a small curvature. I.e. from a dense helix to an extended helix. A transition from one helical structure to another is a phenomenon known to take place in self-assembling helices formed in multicomponent solutions with cholesterol.
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