Solution structure of a Cysteine rich peptide from Withania somnifera (Indian ginseng)
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H TOCSY | 1 mM peptide | 95% H2O/5% D2O | 0 | 4 | 1 atm | 298 | Bruker AVANCE 800 |
| 2 | 2D 1H-1H NOESY | 1 mM peptide | 95% H2O/5% D2O | 0 | 4 | 1 atm | 298 | Bruker AVANCE 800 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | eefx force-field | X-PLOR NIH |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 2 | structure calculation | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 3 | chemical shift assignment | NMRFAM-SPARKY | Lee W, Tonelli M, Markley JL | |
