SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 1 mM RNA (50-MER), 20 mM potassium phosphate | 90% H2O/10% D2O | 20 mM | 6.4 | 1 atm | 288 | Bruker AVANCE II 800 |
| 2 | 2D 1H-1H NOESY | 1 mM RNA (50-MER) | 100% D2O | 20 mM | 6.4 | 1 atm | 310 | Bruker AVANCE II 600 |
| 3 | 2D 1H-1H TOCSY | 1 mM RNA (50-MER) | 100% D2O | 20 mM | 6.4 | 1 atm | 310 | Bruker AVANCE II 600 |
| 4 | 2D 1H-15N HSQC | 0.8 mM [U-99% 13C; U-99% 15N] RNA (50-MER) | 95% H2O/5% D2O | 20 mM | 6.4 | 1 atm | 288 | Bruker AVANCE II 800 |
| 5 | 2D 1H-13C HSQC | 0.8 mM [U-99% 13C; U-99% 15N] RNA (50-MER) | 100% D2O | 20 mM | 6.4 | 1 atm | 310 | Bruker AVANCE II 800 |
| 6 | 3D 1H-13C NOESY | 0.8 mM [U-99% 13C; U-99% 15N] RNA (50-MER) | 100% D2O | 20 mM | 6.4 | 1 atm | 310 | Bruker AVANCE II 800 |
| 7 | 2D 1H-1H NOESY | 0.8 mM [U-2H] RNA (50-MER) | 100% D2O | 20 mM | 6.4 | 1 atm | 310 | Bruker AVANCE II 600 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE II | 600 |
| 2 | Bruker | AVANCE II | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | ORIE function | 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 | processing | TopSpin | Bruker Biospin | |
| 2 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 3 | chemical shift assignment | NMRFAM-SPARKY | Woonghee Lee, John L. Markley | |
| 4 | structure calculation | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
