SOLUTION STRUCTURE OF THE FIRST ZINC FINGER FROM THE DROSOPHILA U-SHAPED TRANSCRIPTION FACTOR
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 0.7mM U-shaped first finger; 95% H2O, 5% D2O | 95% H2O/5% D2O | 0 | 5.5 | ambient | 298 | |
| 2 | HNHA | 0.7mM U-shaped first finger 15N-labelled; 95% H2O, 5% D2O | 95% H2O/5% D2O | 0 | 5.5 | ambient | 298 | |
| 3 | HNHB | 0.7mM U-shaped first finger 15N-labelled; 95% H2O, 5% D2O | 95% H2O/5% D2O | 0 | 5.5 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry simulated annealing cartesian dynamics | The structures are based on a total of 356 restraints, 324 are NOE-derived distance constraints and 32 are dihedral angle restraints | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 500 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | The structure was determined using 2D homonuclear and heteronuclear techniques on unlabelled and 15N-labelled peptide. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 2.6 | Guenther |
| 2 | data analysis | XEASY | 1.2 | Bartels, Xia, Billeter, Guntert, Wuthrich |
| 3 | structure solution | DYANA | 1.5 | Guntert, Mumenthaler, Wuthrich |
| 4 | refinement | CNS | 1.0 | Warren, Nilges, Kuszewski, Clore, Brunger |
