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Secondary structure analysis of peptides under different conditions by CD spectroscopy. Circular dichroism (CD) spectra of peptides pept_352 (A), pept_1545 (C), pept_84 (D), and melittin (B). Buffer conditions: 100 mM KCl, 1 mM HEPES, 0.2 mM EDTA. The final concentration of the peptide in the experiments was 250 μM.
