High-resolution structure determination of the CylR2 homodimer using intermonomer distances from paramagnetic relaxation enhancement and NMR dipolar couplings
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 3D_13C-separated_NOESY | 1mM CylR2 U-15N,13C; 50mM HEPES | 95% H2O/5% D2O | 600mM NaCl | 7.0 | ambient | 298 | |
| 2 | 3D_15N-separated_NOESY | 0.3mM CylR2 U-15N; 50mM HEPES | 95% H2O/5% D2O | 350mM NaCl | 7.0 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| 2 | Bruker | AVANCE | 700 |
| 3 | Bruker | DRX | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics, simulated annealing | CYANA | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | lowest total energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 15 |
| Representative Model | 9 (closest to the average) |
| 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 | CYANA | 2.0 | Guentert |
| 2 | refinement | XPLOR-NIH | 2.9.7 | Brunger |
| 3 | processing | NMRPipe | 97.027.12.56 | Delaglio |
| 4 | data analysis | Sparky | 3.110 | Goddard |
