Figure 1.
(A) Previously identified unnatural base pairs. (B) Analogs used in this study, with d5SICSPA shown for comparison.20 R=COCHCl2. Sugar and phosphate backbone are omitted for clarity.
(A) Previously identified unnatural base pairs. (B) Analogs used in this study, with d5SICSPA shown for comparison.20 R=COCHCl2. Sugar and phosphate backbone are omitted for clarity.