Structural studies on dinuclear ruthenium(II) complexes that bind diastereoselectively to an anti-parallel folded human telomere sequence
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 0.3 mM human telomere quadruplex, 0.3 mM LL-(Ru[bipy]2)tppz4+, 50 mM sodium chloride | 100% D2O | 50 | 7 | ambient | 298 | |
| 2 | 2D 1H-1H TOCSY | 0.3 mM human telomere quadruplex, 0.3 mM LL-(Ru[bipy]2)tppz4+, 50 mM sodium chloride | 100% D2O | 50 | 7 | ambient | 298 | |
| 3 | 2D 1H-1H COSY | 0.3 mM human telomere quadruplex, 0.3 mM LL-(Ru[bipy]2)tppz4+, 50 mM sodium chloride | 100% D2O | 50 | 7 | ambient | 298 | |
| 4 | 2D 1H-31P HSQC | 0.3 mM human telomere quadruplex, 0.3 mM LL-(Ru[bipy]2)tppz4+, 50 mM sodium chloride | 100% D2O | 50 | 7 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 800 |
| 2 | Bruker | AVANCE | 600 |
| 3 | Bruker | AVANCE | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics | X-PLOR NIH | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 20 |
| Conformers Submitted Total Number | 5 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | X-PLOR NIH | 2.14 | Schwieters, Kuszewski, Tjandra and Clore |
| 2 | refinement | X-PLOR NIH | 2.14 | Schwieters, Kuszewski, Tjandra and Clore |
