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

Figure 2

CD spectra of PNA1, 5, 6, and 7. The CD spectra were recorded at 25°C. Inset: UV-Vis spectra of PNA1, 5, 6, and 7 at 90°C. T: modified monomer with phe side-chain.