THE STRUCTURE OF BCL-W REVEALS A ROLE FOR THE C-TERMINAL RESIDUES IN MODULATING BIOLOGICAL ACTIVITY
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 1 mM Bcl-w | 50mM Sodium Phosphate, 70mM NaCl, 2mM TCEP, 95% H2O, 5% D2O | 120mM | 6.7 | ambient | 303.15 | |
| 2 | 3D_15N-separated_NOESY | 1 mM, U-15N Bcl-w | 50mM Sodium Phosphate, 70mM NaCl, 2mM TCEP, 95% H2O, 5% D2O | 120mM | 6.7 | ambient | 303.15 | |
| 3 | HNHA | 1 mM, U-15N Bcl-w | 50mM Sodium Phosphate, 70mM NaCl, 2mM TCEP, 95% H2O, 5% D2O | 120mM | 6.7 | ambient | 303.15 | |
| 4 | 3D_13C-separated_NOESY | 1 mM, U-13C, 15N, Bcl-w | 50mM Sodium Phosphate, 70mM NaCl, 2mM TCEP, 95% H2O, 5% D2O | 120mM | 6.7 | ambient | 303.15 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry torsion angle dynamics simulated annealing | the structures are based on a total of 3871 constraints. Distance constraints: 694 intraresidue; 843 sequential; 912 short range; 993 long range; 64 hydrogen bonds Dihedral angle constraints: 136 phi constraints; 101 psi constraints; 34 chi1 constraints; 30 chi2 constraints | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with acceptable covalent geometry, structures with the least restraint violations, structures with the lowest energy, target function |
| Conformers Calculated Total Number | 256 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (closest to the average) |
| Additional NMR Experimental Information | |
|---|---|
| Details | The structure was determined using heteronuclear 3D NMR. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 2.6 | Bruker A.G. |
| 2 | data analysis | XEASY | 1.3 | Bartels et al. J. Biomol. NMR 1995, 6, 1-10. |
| 3 | structure solution | DYANA | 1.5 | Guntert et al. J. Mol. Biol. 1997, 273, 283-298. |
| 4 | refinement | CNS | 1.1 | Brunger et al. Acta Crystallogr. D, 1998, 54, 905-921. |
