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The effects of various solutes on the helix formation in the alanine-based peptide. The solutes are KCl (open circles), K/Pi (open diamonds), NaCl (open squares), sucrose (filled triangles), TFE (open triangles), and TMAO (filled circles). The CD signal at 222 nm was recorded at 0°C in a pH 7 in 10 mM phosphate buffer.
