Structure of a Novel P-Superfamily Spasmodic Conotoxin Reveals an Inhibitory Cystine Knot Motif
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | gm9a peptide | 90% H20, 10% D20 | NA | 5.5 | 1 atmosphere | 278 | |
| 2 | DQF-COSY | gm9a peptide | 90% H20, 10% D20 | NA | 5.5 | 1 atmosphere | 278 | |
| 3 | E-COSY | gm9a peptide | 90% H20, 10% D20 | NA | 5.5 | 1 atmosphere | 278 | |
| 4 | TOCSY | gm9a peptide | 90% H20, 10% D20 | NA | 5.5 | 1 atmosphere | 278 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AMX | 500 |
| 2 | Bruker | DRX | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| CNS, minimized in water | XwinNMR | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | back calculated data agree with experimental NOESY spectrum,structures with the least restraint violations,structures with the lowest energy |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (closest to the average) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 1.3 | Bruker |
