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(A) Far-UV CD spectra of pelC (5 μM) with increasing concentration of ANS. The inset to A shows the ellipticity values at 200 nm (filled circles) and 215 nm (filled triangles). PelC:ANS ratios were 1:1, 2, 5, 10, 12, 15, 20, 30, 40, and 50. Arrows indicate the direction of increasing ANS concentration. (B) Far-UV CD spectra of pelC at pH 2 (dashed line) and pH 7 (solid line) without ANS.
