Extending the Family of UNCG-like Tetraloop Motifs: NMR Structure of a CACG Tetraloop from Coxsackievirus B3
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 1-2mM RNA | 25mM sodium phosphate (pH 6.0), 25mM sodium chloride | 25 mM NaCl | 6.0 | ambient | 278 | |
| 2 | 2D TOCSY | 1-2mM RNA | 25mM sodium phosphate (pH 6.0), 25mM sodium chloride | 25 mM NaCl | 6.0 | ambient | 278 | |
| 3 | DQF-COSY | 1-2mM RNA | 25mM sodium phosphate (pH 6.0), 25mM sodium chloride | 25 mM NaCl | 6.0 | ambient | 278 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics and restrained molecular dynamics | DYANA | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 20 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | DYANA | 1.5 | Guntert, P. |
| 2 | refinement | CNS | 1.0 | Brunger A. |
| 3 | data analysis | Sparky | 1.0 | Goddard T. |
