Is there a universality of the helix-coil transition in protein models?
Josh P. Kemp, Ulrich H. E. Hansmann, Zheng Y. Chen
Abstract
The similarity in the thermodynamic properties of two completely different theoretical models for the helix-coil transition is examined critically. The first model is an all-atomic representation for a poly-alanine chain, while the second model is a minimal helix-forming model that contains no system specifics. Key characteristics of the helix-coil transition, in particular, the effective critical exponents of these two models agree with each other, within a finite-size scaling analysis.
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