期刊
JOURNAL OF BIOLOGICAL PHYSICS
卷 34, 期 5, 页码 511-519出版社
SPRINGER
DOI: 10.1007/s10867-008-9111-2
关键词
DNA macromolecule; Peyrard-Bishop model; Morse potential
类别
资金
- FAPESP
- CNPq
- FUNDUNESP
- CAPES (Brazilian agencies)
- Isaac Newton Institute for Mathematical Sciences, University of Cambridge
We investigate a mechanical model for the DNA molecule using an extension of the Peyrard and Bishop model. In the present model, there are two chains of oscillators linked by a Morse potential, which represent the hydrogen bonds. The rotational and vibrational motions of each base pair are considered and the coupling for these motions are introduced by a nonlinear combination of them in the Morse potential. In this context, thermodynamics and structural properties are discussed.
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