NMR STRUCTURES OF LQH III ALPHA-LIKE SCORPION TOXIN FROM LEIURUS QUINQUESTRIATUS CORRESPONDING TO THE MAJOR CONFORMER IN SOLUTION
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 2mM LqhIII; 100 mM phosphate buffer pH 5.8; 90% H2O 10% D2O | 90% H2O/10% D2O | NA | 5.8 | 1 atm | 311 | |
| 2 | DQF-COSY | 2mM LqhIII; 100 mM phosphate buffer pH 5.8; 90% H2O 10% D2O | 90% H2O/10% D2O | NA | 5.8 | 1 atm | 311 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry simulated annealing molecular dynamics | Gifa | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy |
| Conformers Calculated Total Number | 80 |
| Conformers Submitted Total Number | 42 |
| Representative Model | 25 (closest to the average) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | data analysis | Gifa | 4.2 | Delsuc |
| 2 | collection | XwinNMR | NA | Bruker |
| 3 | structure solution | X-PLOR | 3.851 | Brunger |
| 4 | refinement | X-PLOR | 3.851 | Brunger |
