Solution structure of an intramolecular propeller-type G-quadruplex containing a single bulge
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H TOCSY | 0.1-2.0 mM DNA (5'-D(*TP*TP*GP*TP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*T)-3')-1 | 90% H2O/10% D2O | .05 | 7.0 | ambient | 298 | |
| 2 | 2D 1H-13C HSQC | 0.1-2.0 mM DNA (5'-D(*TP*TP*GP*TP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*T)-3')-1 | 90% H2O/10% D2O | .05 | 7.0 | ambient | 298 | |
| 3 | 2D 1H-1H NOESY | 0.1-2.0 mM DNA (5'-D(*TP*TP*GP*TP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*T)-3')-1 | 90% H2O/10% D2O | .05 | 7.0 | ambient | 298 | |
| 4 | 2D 1H-13C JR-HMBC | 0.1-2.0 mM DNA (5'-D(*TP*TP*GP*TP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*TP*GP*GP*GP*T)-3')-1 | 90% H2O/10% D2O | .05 | 7.0 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| DGSA-distance geometry simulated annealing, simulated annealing, molecular dynamics | X-PLOR NIH | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | geometry optimization | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 2 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |














