Table 1. Average helical structure.
| Helical parameter | CGCUGCG | CGCFGCG | CGCPGCG | CGCFGCG | CGUUACG | CGUFACG |
|---|---|---|---|---|---|---|
| GCGACGC | GCGACGC | GCGACGC | GCGFCGC | GCAAUGC | GCAAUGC | |
| <shift> | 0.0 (0.6) | 0.2 (0.9) | −0.2 (1.0) | 0.0 (1.0) | −0.1 (0.7) | 0.0 (0.8) |
| <slide> | −0.4 (0.4) | −0.6 (0.7) | −0.6 (0.8) | −0.6 (0.6) | −0.4 (0.5) | −0.6 (0.7) |
| <rise> | 2.7 (0.5) | 3.0 (0.7) | 2.9 (0.6) | 3.0 (0.7) | 2.8 (0.5) | 3.0 (0.7) |
| <tilt> | 0.2 (5.0) | −1.3 (6.0) | 1.9 (13.0) | 1.0 (7.0) | 0.6 (6.0) | 1.6 (8.0) |
| <roll> | 4.2 (8.0) | 9.2 (7.0) | 8.9 (13.0) | 6.3 (7.0) | 6.8 (9.0) | 6.9 (9.0) |
| <twist> | 32 (8.0) | 29 (5.0) | 30 (11.0) | 29 (9.0) | 29 (5.0) | 29 (8.0) |
Average helical parameters (SDs in parenthesis) were calculated for the central 4 bp steps (bold, second strand in 3′ → 5′ direction) averaged over the entire data gathering period (2–5.1 ns) using Curves (29).