SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 0.6-0.8 mM RNA (111-MER), 10 mM potassium phosphate, 2 mM magnesium chloride | 90% H2O/10% D2O | 12 | 7.0 | ambient | 283 | |
| 2 | 2D 1H-15N TROSY-HMQC | 0.3-0.5 mM [U-13C; U-15N]-Gua, [U-13C; U-15N]-Ura RNA (111-MER), 10 mM potassium phosphate, 2 mM magnesium chloride | 90% H2O/10% D2O | 12 | 7.0 | ambient | 283 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DMX | 750 |
| 2 | Bruker | DMX | 700 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| molecular dynamics | Low temperature restrained molecular dynamics of MC-Sym generated models | 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 | refinement | X-PLOR NIH | 2.21 | Schwieters, Kuszewski, Tjandra and Clore |
| 2 | chemical shift assignment | Sparky | 3.114 | Goddard |
| 3 | processing | TopSpin | 2.1 | Bruker Biospin |
| 4 | structure solution | MC-Sym | 4.2.2 | Parisien, Major |
