Figure 3.
1H-NMR spectra of c-Myc G4 in the absence and presence of compounds 20a, 23a, 15c, 18c, and 21d. See Table S2 for signal assignment. The NMR sample was prepared at 100–150 μM final oligonucleotide concentration in 10 mM potassium phosphate buffer (pH 5.0).