1Y29
Three dimensional solution structure of huwentoxin-x by 2D 1H-NMR
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | DQF-COSY | 5MM HUWENTOXIN-X; PHOSPHATE BUFFER | 90% H2O/10% D2O | 20 | 4.5 | 1 atm | 298 | |
| 2 | 2D TOCSY | 5MM HUWENTOXIN-X; PHOSPHATE BUFFER | 90% H2O/10% D2O | 20 | 4.5 | 1 atm | 298 | |
| 3 | 2D NOESY | 5MM HUWENTOXIN-X; PHOSPHATE BUFFER | 90% H2O/10% D2O | 20 | 4.5 | 1 atm | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DMX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry, simulated annealing | The structures are based on 261 noe-derived distance constraints, 10 dihedral angel restraints and 9 fake distance restraints from disulfide bonds. | NMRView |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 6 (closest to the average) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | data analysis | NMRView | 5.0 | Bruce A. Johnson |
| 2 | refinement | X-PLOR | NIH-2.9.6 | C.D. Schwieters |
