Table 1. Comparison of Melting Temperatures for Unmodified and “Chiral Box” PNAs with Full-Matched and Mismatched Target DNA. ΔTm = Tm(Full Match) – Tm(Mismatch).
Hybrid type | DNA | Tm [°C] | ΔTm [°C] |
---|---|---|---|
PNA 1 | DNA1-FM | 76.7 ± 0.9 | 14.1 |
PNA 1 | DNA1-MM | 62.6 ± 0.6 | |
PNA 2 | DNA1-FM | 72.4 ± 0.8 | 15.7 |
PNA 2 | DNA1-MM | 56.7 ± 0.8 | |
PNA 3 | DNA1-FM | 73.0 ± 2.0 | 15.0 |
PNA 3 | DNA1-MM | 58.0 ± 0.9 | |
PNA 4 | DNA2-FM | 65.9 ± 0.5 | 15.9 |
PNA 4 | DNA2-MM | 50.0 ± 0.5 | |
PNA 5 | DNA2-FM | 59.9 ± 0.2 | 19.2 |
PNA 5 | DNA2-MM | 40.7 ± 0.5 |