Fig. 6. Circular dichroism spectra of IAPP in the absence (red and black curves) and presence (green and blue curves) of 19. Conditions: 20 μM IAPP, 20 μM 19, 1 m g mL^–1 DOPG/DOPC liposomes (1 : 1), 20 mM potassium phosphate buffer, 100 mM sodium chloride, pH 7.2, 25 °C.