The solution structure of horseshoe crab antimicrobial peptide tachystatin b with the inhibitory cystine-knot motif
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | DQF-COSY | 0.73mM tachystatin B; 90% H2O, 10% D2O; pH 3.5 unbuffered | 90% H2O/10% D2O | 3.5 | ambient | 298 | ||
| 2 | 2D TOCSY | 0.73mM tachystatin B; 90% H2O, 10% D2O; pH 3.5 unbuffered | 90% H2O/10% D2O | 3.5 | ambient | 298 | ||
| 3 | 2D NOESY | 0.73mM tachystatin B; 90% H2O, 10% D2O; pH 3.5 unbuffered | 90% H2O/10% D2O | 3.5 | ambient | 298 | ||
| 4 | DQF-COSY | 0.73mM tachystatin B; 100% D2O; pH 3.5 unbuffered | 100% D2O | 3.5 | ambient | 298 | ||
| 5 | 2D TOCSY | 0.73mM tachystatin B; 100% D2O; pH 3.5 unbuffered | 100% D2O | 3.5 | ambient | 298 | ||
| 6 | 2D NOESY | 0.73mM tachystatin B; 100% D2O; pH 3.5 unbuffered | 100% D2O | 3.5 | ambient | 298 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 800 |
| 2 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry, simulated annealing | CNS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | CNS | 1.1 | |
| 2 | data analysis | NMRPipe | 2.3 | Delaglio |
| 3 | refinement | CNS | 1.1 | |














