Solution NMR structures of hTERT DNA G-quadruplexes (G4s) in complex with small molecule CPT-11
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 20 mM potassium phosphate, 70 mM potassium chloride | 100% D2O | null | 6.5 | 1 atm | 298 | Bruker AVANCE NEO 800 |
| 2 | 2D 1H-1H NOESY | 20 mM potassium phosphate, 70 mM potassium chloride | 100% D2O | null | 6.5 | 1 atm | 288 | Bruker AVANCE NEO 800 |
| 3 | 2D 1H-1H NOESY | 20 mM potassium phosphate, 70 mM potassium chloride | 90% H2O/10% D2O | null | 6.5 | 1 atm | 298 | Bruker AVANCE NEO 600 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE NEO | 800 |
| 2 | Bruker | AVANCE NEO | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics | CNS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | ARIA | Linge, O'Donoghue and Nilges | |
| 2 | structure calculation | CNS | Brunger, Adams, Clore, Gros, Nilges and Read | |
| 3 | chemical shift assignment | NMRView | Johnson, One Moon Scientific | |
| 4 | peak picking | NMRView | Johnson, One Moon Scientific | |
| 5 | collection | TopSpin | Bruker Biospin | |
| 6 | processing | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
