1JO6
Solution structure of the cytoplasmic N-terminus of the BK beta-subunit KCNMB2
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 1H-1H NOESY (2D) | 2mM KCNMB2(residues 1-45), NA; 90% H2O, 10% D2O | 90% H2O/10% D2O | 0 | 3.0 | ambient | 288 | |
| 2 | DQF-COSY | 2mM KCNMB2(residues 1-45), NA; 90% H2O, 10% D2O | 90% H2O/10% D2O | 0 | 3.0 | ambient | 288 | |
| 3 | 1H-1H NOESY (2D) | 2mM KCNMB2(residues 1-45), NA; 99.9% D2O | 99.9% D2O | 0 | 3.0 | ambient | 288 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing, torsion angle dynamics | The structures are based on 728 NOE-derived distance constraints (486 intraresidual, 191 sequential, 51 medium-range), 5 dihedral angle restraints, 11 stereospecific assignments | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations,target function |
| Conformers Calculated Total Number | 30 |
| Conformers Submitted Total Number | 24 |
| Representative Model | 1 (fewest violations) |
| Additional NMR Experimental Information | |
|---|---|
| Details | The structure was determined using standard 2D homonuclear techniques |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 2.6 | Bruker |
| 2 | data analysis | AURELIA | 2.7.5 | Neidig |
| 3 | data analysis | XEASY | 1.3.13 | Bartels |
| 4 | refinement | DYANA | 1.5 | Mumenthaler, Guentert |
