Abstract
Poly(L-valine) (PLV) belongs to the class of polyamino acids having a bulky side chain. It preferably adopts β-sheet conformation, although high molecular weight PLV may form an α helix as well. In the present communication we report a detailed study of the phonons and their dispersion for β-PLV and the spectra of oligovalines in relation to its polymeric form. The N-deuterated analog of β-PLV has also been studied to confirm the correctness of assignments and force-field. Density-of-states and heat capacity have been obtained. The heat capacity is in very good agreement with the experimental measurements of Roles et al.
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Burman, L., Tandon, P., Gupta, V. et al. Normal Modes of Poly(L-valine) in Relation to Spectra of Oligovalines. Polym J 27, 481–491 (1995). https://doi.org/10.1295/polymj.27.481
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DOI: https://doi.org/10.1295/polymj.27.481
