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. 2012 Aug 29;13(4):1084–1090. doi: 10.1208/s12249-012-9840-1

Table II.

A Range of Wavenumbers Characteristic of a Specific Secondary Structure in FTIR Spectrum of a Protein

Secondary structure Wavenumber (cm−1)
β-sheets 1,620–1,640
Random coils 1,640–1,650
α-Helices 1,650–1,660
β-Turns 1,660–1,695