The Kinetics of the Helix-Coil Transformation of Polypeptides. I
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概要
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The kinetics of Zimm-Bragg's model is studied theoretically. Application is made of the theory which was proposed by Kikuchi and extended to chemical kinetics by the present author, and an exact and closed nonlinear kinetic equation is derived. The equation contains three kinetical parameters θ_0, θ_1, θ_2. Near the equilibrium state the equation is linearized and the relaxation times τare calculated numerically as functions of s, θ_0, θ_1, θ_2 (σ being assumed to be 2×10^<-4>). A comparison of a relaxation time versus temperature curve, which will be experimentally obtaineable, for instance, by the T-jump method, with the theoretical τ-s curves here obtained will enable the determination of a set of values of kinetic parameters θ_0, θ_1, θ_2. The approximation proposed by Vol'kenstein, Gotlib and Ptitsyn is examined and compared with our exact treatment and it is concluded that the approximation is not good.
- 社団法人日本物理学会の論文
- 1967-02-05
著者
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Go Nobuhiro
Department Of Physics Faculty Of Science Kyoshu University
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Go Nobuhiro
Department Of Physics Faculty Of Science University Of Tokyo
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