Table 1 Structural and NMR statistics for the DC-34/MYC G4 complex
From: Chemical and structural studies provide a mechanistic basis for recognition of the MYC G-quadruplex
| Â | DC-34/MYC G4 |
|---|---|
NMR distance and dihedral constraints | |
Distance constraints | |
 Intramolecular NOEs | 907 |
 Intra-residue | 610 |
 Inter-residue | 297 |
  Sequential (|i – j| = 1) | 253 |
  Medium range (|i – j| ≤ 4) | 22 |
  Long range (|i – j| ≥ 5) | 22 |
 Hydrogen bonds | 27 |
 Intermolecular NOEs | 45 |
Dihedral angle restraints | |
 χ (O4′-C1′-N9-C4) | 12 |
G-tetrad planarity (5 atoms sub-groups) | 24 |
Coordination bond (O6-K+) | 16 |
Structure statistics | |
Violations (mean and s.d.) | Â |
 Distance constraints (Å) | 0 |
 Dihedral angle constraints (°) | 0 |
 Max. dihedral angle violation (°) | 0 |
 Max. distance constraint violation (Å) | 0 |
Deviations from idealized geometry | |
 Bond lengths (Å) | 0.005 ± 0.000 |
 Bond angles (°) | 0.705 ± 0.005 |
 Impropers (°) | 0.461 ± 0.031 |
Average pairwise r.m.s.d (Ã…)a | |
 All atoms | 0.89 ± 0.26 |
 G-tetrads | 0.55 ± 0.12 |
 5′-end (T4-G5-A6) | 0.29 ± 0.10 |
 3′-end (T23-A24-A25) | 0.29 ± 0.08 |
