Schistosoma mansoni Sm14 Fatty Acid-Binding Protein: improvement of protein stability by substitution of the single Cys62 residue
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | HNCA | U-15N, 13C; 50 mM phosphate buffer pH 6.3; 0.05% sodium Azide; 95% H2O, 5% D2O. | 95% H2O/5% D2O | 50 mM phosphate buffer | 6.3 | ambient | 293 | |
| 2 | HNCOCA | U-15N, 13C; 50 mM phosphate buffer pH 6.3; 0.05% sodium Azide; 95% H2O, 5% D2O. | 95% H2O/5% D2O | 50 mM phosphate buffer | 6.3 | ambient | 293 | |
| 3 | HNCACB | U-15N, 13C; 50 mM phosphate buffer pH 6.3; 0.05% sodium Azide; 95% H2O, 5% D2O. | 95% H2O/5% D2O | 50 mM phosphate buffer | 6.3 | ambient | 293 | |
| 4 | CBCACONH | U-15N, 13C; 50 mM phosphate buffer pH 6.3; 0.05% sodium Azide; 95% H2O, 5% D2O. | 95% H2O/5% D2O | 50 mM phosphate buffer | 6.3 | ambient | 293 | |
| 5 | 3D_13C-separated_NOESY | U-15N, 13C; 100% D2O | 100% D2O | 50 mM phosphate buffer | 6.3 | ambient | 293 | |
| 6 | 3D_15N-separated_NOESY | U-15N, 13C; 50 mM phosphate buffer pH 6.3; 0.05% sodium Azide; 95% H2O, 5% D2O. | 95% H2O/5% D2O | 50 mM phosphate buffer | 6.3 | ambient | 293 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 500 |
| 2 | Varian | INOVA | 600 |
| 3 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics using dyana software and further minimization with discover module of the insight package | minimization were conducted with 5000 iterations using steepest descents algorithim until the maximum derivative is less than 1.000 kcal/A followed by 50000 iterations using conjugate gradients until the maximum derivative is less than 0.00100cal/A | DYANA |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | target function |
| Conformers Calculated Total Number | 40 |
| Conformers Submitted Total Number | 17 |
| Representative Model | 17 (fewest violations) |
| Additional NMR Experimental Information | |
|---|---|
| Details | the structure was determined using triple-resonance NMR spectroscopy |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | DYANA | 1.5 | Guntert, Braun and Wuthrich |
| 2 | refinement | Discover | ||
| 3 | processing | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
| 4 | data analysis | NMRView | Johnson, One Moon Scientific | |
