1EYO
SOLUTION STRUCTURE OF CONOTOXIN TVIIA FROM CONUS TULIPA
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 2mM conotoxin TVIIA | 90% H2O/10% D2O or 99.99% D2O | 0 | 3.0 | ambient | 283 | |
| 2 | DQF-COSY | 2mM conotoxin TVIIA | 90% H2O/10% D2O or 99.99% D2O | 0 | 3.0 | ambient | 283 | |
| 3 | E-COSY | 2mM conotoxin TVIIA | 90% H2O/10% D2O or 99.99% D2O | 0 | 3.0 | ambient | 283 | |
| 4 | TOCSY | 2mM conotoxin TVIIA | 90% H2O/10% D2O or 99.99% D2O | 0 | 3.0 | ambient | 283 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | ARX | 500 |
| 2 | Bruker | DMX | 750 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | The structures are based on a total of 562 interproton distance restraints, and 18 backbone and 9 side chain dihedral angle restraints derived from spin-spin coupling constants. | X-PLOR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations,structures with the lowest energy |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (fewest violations,lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard 2D homonuclear techniques. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | X-PLOR | 3.1 | Brunger |
