Table 2. Statistics of the computed structures of T4 G-quadruplex.
A. NMR restraints | ||
Distance restraints | D2O | H2O |
Intraresidue | 91 | 0 |
Sequential (i, i + 1) | 40 | 5 |
Long-range (i, ≥i + 2) | 5 | 7 |
Other restraints | ||
Hydrogen bond | 40 | |
Dihedral angle | 11 | |
Repulsive | 16 | |
B. Structure statistics | ||
NOE violations | ||
Number (>0.2 Å) | 0.2 ± 0.4 | |
Maximum violation (Å) | 0.169 ± 0.050 | |
RMSD of violations (Å) | 0.021 ± 0.004 | |
Deviations from the ideal covalent geometry | ||
Bond lengths (Å) | 0.005 ± 0.002 | |
Bond angles (°) | 0.758 ± 0.089 | |
Impropers (°) | 0.467 ± 0.144 | |
Pairwise all heavy atom RMSD values (Å) | ||
All heavy atoms of G-tetrad core | 1.11 ± 0.18 | |
All heavy atoms | 2.72 ± 0.41 |