Effect of Steric Constraint at the γ-Backbone Position on the Conformations and Hybridization Properties of PNAs

Figure 4

CD spectra of PNA1, 3, 8, and 9. The spectra were recorded at 25°C. Inset: UV-Vis spectra of PNA1, 3, 8, and 9 at 90°C. T: modified monomer with phe side-chain.