SOLUTION STRUCTURE OF THE NINTH ZINC-FINGER DOMAIN OF THE U-SHAPED TRANSCRIPTION FACTOR
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 0.4mM U-shaped Finger 9; 0.6mM ZnSO4; 0.6mM TCEP; 95% H2O, 5% D2O | 95% H2O/5% D2O | 0.6mM ZnSO4 | 5.0 | ambient | 293 | |
| 2 | HNHA | 0.2mM U-shaped Finger 9 U-15N; 0.3mM ZnSO4; 0.3mM TCEP; 95% D2O, 5% H2O | 95% H2O/5% D2O | 0.3mM ZnSO4 | 5.0 | ambient | 293 | |
| 3 | HNHB | 0.2mM U-shaped Finger 9 U-15N; 0.3mM ZnSO4; 0.3mM TCEP; 95% D2O, 5% H2O | 95% H2O/5% D2O | 0.3mM ZnSO4 | 5.0 | ambient | 293 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| molecular dynamics simulated annealing torsion angle dynamics | The structures are based on a total of 535 restraints, 506 are NOE-derived distance constraints, 29 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 | This structure was determined using a combination of 2D homonuclear and 3D 15N-heteronuclear techniques |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | XwinNMR | 2.1 | Bruker |
| 2 | data analysis | XEASY | 1.3.13 | Bartels et al |
| 3 | structure solution | DYANA | 1.5 | Guntert et al |
| 4 | refinement | CNS | 0.5 | Brunger et al |
