SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | COSY, DQF-COSY, COSY45, TOCSY, NOESY, [1H-31P]HETCOR | 1.2 mM sample, 50 mM phosphate buffer, 50 mM NaCl, 1 mM EDTA, 99.96% D2O | 100% D2O | 6.9 | ambient | 290 | ||
| 2 | 2D NOESY | 1.2 mM sample, 50 mM phosphate buffer, 50 mM NaCl, 1 mM EDTA, 90% H2O, 10% D2O | 90% H2O/10% D2O | 6.9 | ambient | 277 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 500 |
| 2 | Varian | INOVA | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| molecular dynamics | The structures are based on a total of 389 distances between non-exchangeable protons, 26 distance restraints enforcing WC base pairs and 96 backbone dihedral restraints. | Felix |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | converging structures (<1.5A) and those with the least restraints violations |
| Conformers Calculated Total Number | 20 |
| Conformers Submitted Total Number | 9 |
| Representative Model | 1 (closest to the average) |
| Additional NMR Experimental Information | |
|---|---|
| Details | Several NOESY spectra recorded using different mixing times. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | Felix | 98 | Accelrys |
| 2 | data analysis | Felix | 98 | Accelrys |
| 3 | collection | VNMR | 6.1 | Varian |
| 4 | refinement | X-PLOR | 3.85 | Brunger |
| 5 | data analysis | Curves | 5.1 | Lavery, Sklenar |
