Table 1.
pH 7.0 | pH 5.5 | |
NMR distance and dihedral restraints | ||
Distance restraints | ||
Total NOE | 665 | 517 |
Intraresidue | 151 | 155 |
Interresidue | 514 | 362 |
Sequential (i − j = 1) | 281 | 216 |
Medium-range (i − j ≤ 4) | 188 | 114 |
Long-range (i − j ≥ 5) | 45 | 32 |
Total dihedral angle restraints | ||
φ | 8 | 10 |
ψ | 5 | 10 |
Structure statistics | ||
Violations (mean and SD) | ||
Distance restraints (Å) | 0.029 ± 0.001 | 0.024 ± 0.001 |
Dihedral angle restraints (°) | 0.28 ± 0.10 | 0.20 ± 0.05 |
Maximum dihedral angle violation (°) | 0 | 0 |
Maximum distance restraint violation (Å) | 0 | 0 |
Deviations from idealized geometry | ||
Bond lengths (Å) | 0.0037 ± 0.0001 | 0.0029 ± 0.0001 |
Bond angles (°) | 0.52 ± 0.01 | 0.48 ± 0.11 |
Impropers (°) | 0.35 ± 0.01 | 0.29 ± 0.02 |
Average pairwise rmsd* (Å) | ||
Heavy atoms | 1.45 ± 0.43 | 1.06 ± 0.30 |
Backbone | 1.95 ± 0.48 | 1.54 ± 0.31 |
*Calculated from the 20 lowest-energy structures out of 200.