1XV3
NMR structure of the synthetic penaeidin 4
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | DQF-COSY TOCSY NOESY | 1mM, pH 3.6 | 95% H2O/5% D2O | no salt was added | 3.6 | ambient | 298 | |
| 2 | DQF-COSY TOCSY NOESY | 1mM, pH 3.6 | 99.98% D2O | no salt was added | 3.6 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| 2 | Bruker | AVANCE | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| Distance geometry, Simulated annealing | X-PLOR | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 40 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | Data sets recorded at three temperatures ( 285, 293 and 298 K) were used for the assignment. This structure was determined using standard 2D homonuclear techniques. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | X-PLOR | 3.8 | Rice, L.M. and Brunger, A.T. |
| 2 | refinement | X-PLOR | 3.8 | |
| 3 | collection | XwinNMR | 3.1 | Bruker Analitik GmBh |
| 4 | processing | XwinNMR | 3.1 | Bruker Analitik GmBh |
| 5 | processing | Gifa | 4 | Pons, J.L., Malliavin, T. E. Delsuc, M.A. |
| 6 | structure solution | Insight | Insight97 | Molecular Simulation Inc. |
