SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | DQF-COSY, TOCSY, NOESY | 0.7mM | 95% H2O/5% D2O | ND | 3.9 | ambient | 293 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| 2 | Bruker | AVANCE | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | The structures are based on a total of 552 NOE-derived distance constraints and 28 dihedral angle restraints. The arrangement of the three disulfide bonds was determined in this study. | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 60 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | A 0.3ml solution of penaeidin-3 was used in a Shigemi tube. The 500 MHz spectrometer was equipped with a cryoprobe. This structure was determined using standard 2D homonuclear techniques. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 2.0 | |
| 2 | processing | Gifa | 4.4 | Delsuc, M.A. |
| 3 | refinement | X-PLOR | 3.8 | |
