7W0X
Tetrameric antiparallel G-quadruplex formed by natural human telomeric sequence
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 20 mM NA potassium phosphate, 6 mM NA DNA (5'-D(*GP*GP*GP*TP*TP*A)-3') | 100% D2O | 50 mM | 6.8 | 1 atm | 310 | Bruker AVANCE III 600 |
| 2 | 2D NOESY | 20 mM NA potassium phosphate, 6 mM NA DNA (5'-D(*GP*GP*GP*TP*TP*A)-3') | 95% H2O/5% D2O | 50 mM | 6.8 | 1 atm | 288 | Bruker AVANCE III 850 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE III | 600 |
| 2 | Bruker | AVANCE III | 850 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | X-PLOR NIH | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | peak picking | CcpNmr Analysis | CCPN | |
| 2 | structure calculation | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 3 | chemical shift assignment | CcpNmr Analysis | CCPN | |
| 4 | collection | TopSpin | Bruker Biospin | |
