Figure 4: CD spectra of aptamers 15TBA, RE19, RE21, RE23, RE25, RE27, RE29, RE31 in a buffer, containing 20 mM Tris-HCl, pH=7,2; 5 mM KCl at 4°С. 15TBA – 4,9 μM; RE19 – 3,8 μM; RE21 – 3,4 μM; RE23 – 3,2 μM; RE25 – 2,9 μM; RE27 – 2,7 μM; RE29 – 2,5 μM; RE31 – 2,4 μM; 31TBA – 2,4 μM.