TABLE 1.
Structural statistics
| Total number of restraints | 726 (∼23/nt) |
| NOE-derived restraints | 429 |
| Dihedral restraints | 159 |
| Dipolar coupling restraints | 65 |
| Hydrogen bonds | 62 |
| Planarity | 11 |
| Averge RMS deviations from experimental restraints | |
| Distance | 0.06 Å |
| Dihedral | 0.6° |
| RDC | 0.95 Hz |
| Average RMS deviations from ideal geometries | |
| Bonds | 0.0056 Å |
| Angles | 0.89° |
| Impropers | 0.41° |
| Heavy atom rms deviation from mean structure (Å) | |
| Watson-Crick paired residues | 0.66 |
| P6a, including bulged C262 | 0.45 |
| P6b with UUCG tetraloop | 0.35 |
| Bulge J6 and flanking pairs | 0.89 |
| All residues | 0.79 |