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CD spectroscopy analysis. Modified AG30, LL37 and control peptide showed negligible helical structure in aqueous buffer, and the addition of the helix inducing cosolvent trifluoroethanol (20% or 60%) resulted in the appearance of a clear helical component, that demonstrated the minimum at 208 and 220 nm and the increase of ellipticity at 200 nm. In lower panel, the quantification of helical structure (Random, Turn, Beta, and Helix) was calculated, and the score of helix has been shown.
