2FXY
Solution structure of 55-72 segment of staphylococcal nuclease
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D DQF-COSY, 2D TOCSY, 2D ROESY | 2.0mM peptides; DSS, NaN3; 40% trifluoroethanol-d4, 60% H2O | 40% trifluoroethanol-d4, 60% H2O | 0 | 5.0 | ambient | 298 | |
| 2 | 2D_13C HSQC, 2D_13C HSQC-TOCSY | 2.0mM peptides; DSS, NaN3; 40% trifluoroethanol-d4, 60% D2O | 40% trifluoroethanol-d4, 60% D2O | 0 | 5.0 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DMX | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics | XwinNMR | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 80 |
| Conformers Submitted Total Number | 15 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 3.5 | Bruker |
| 2 | data analysis | Felix | 98 | MSI/Accelrys Inc. |
| 3 | structure solution | CNS | 1.1 | Brunger |
| 4 | refinement | CNS | 1.1 | Brunger |
