In attempting to understand the yield region of the alpha right arrow over left arrow beta transformation in keratins (Astbury and Woods, 1933), we recently proposed a statistical-mechanical model (David and Schor, 1965) which generalized the work done by others on the helix right arrow over left arrow random coil transformation (Zimm and Bragg, 1959; Gibbs and DiMarzio, 1959) (thermal denaturation) to the case of a polypeptide under external tension (Birstein, 1962). We wish now to report the comparison of the quantitative aspects of this model to the observed tension-length isotherms (in the yield region) of Cotswold wool.
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| http://dx.doi.org/10.1016/s0006-3495(67)86601-3 | DOI Listing |
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