Table 2. Distance and angle between loop bases and their reference base groupsa.
| Model | Group 1 | Group 2 | Distance(Å) | Angle(degree) |
| anti_bsc0 | A1 | layer 1 | 3.2±0.3 | 21.9±9.3 |
| A13 | layer 1 | 2.8±0.7 | 22.9±11.4 | |
| T6 | layer 3 | 2.8±0.5 | 14.8±7.2 | |
| A19 | layer 3 | 3.1±0.4 | 14.6±6.3 | |
| hybrid_bsc0 | T1 | layer 1 | 2.6±0.7 | 13.7±5.8 |
| A20 | layer 1 | 3.0±0.3 | 9.0±5.0 | |
| T13 | layer 3 | 2.5±0.5 | 20.3±9.0 | |
| A24 | layer 3 | 2.7±0.4 | 16.1±7.5 | |
| A14 | T13/A24 | 4.8±0.7 | 27.4±10.7 |
Results under parm99 force field are given in Table S1.
a
The adjacent G-quartet or adjacent base pair are chosen as the reference base group.