2NAJ
Solution structure of K2 lobe of double-knot toxin
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D DQF-COSY | 1 mM K2-1 | 90% H2O/10% D2O | 4.0 | ambient | 298 | ||
| 2 | 2D 1H-1H TOCSY | 1 mM K2-1 | 90% H2O/10% D2O | 4.0 | ambient | 298 | ||
| 3 | 2D 1H-1H NOESY | 1 mM K2-1 | 90% H2O/10% D2O | 4.0 | ambient | 298 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | NMRPipe | |
| 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 | processing | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
| 2 | chemical shift assignment | NMRView | Johnson, One Moon Scientific | |
| 3 | geometry optimization | CYANA | Guntert, Mumenthaler and Wuthrich | |
| 4 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 5 | refinement | CYANA | ||
