1QUZ
Solution structure of the potassium channel scorpion toxin HSTX1
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | DQF-COSY | 5 MG HSTX1; TSP; HCL FOR PH | 4.0 | 1 atm | 308 | |||
| 2 | 2D NOESY | 5 MG HSTX1; TSP; DCL FOR PD | 4.0 | 1 atm | 308 | |||
| 3 | OFF-RESONANCE ROESY (35) | 4.0 | 1 atm | 308 | ||||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| A COMPLETLY EXTENDED CONFORMATION WAS USED AS THE STARTING STRUCTURE. 25 ITERATIONS WERE MADE. 500 STRUCTURES WERE CALCULATED. RESTRAINED MOLECULAR DYNAMICS AT 600K A SLOW COOLING. MINIMIZATION WERE MADE WITH AN ELECTROSTATIC TERM TOPALLH22X.PRO AND PARALLH22X.PRO | Felix | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | all calculated structures submitted |
| Conformers Calculated Total Number | 20 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | data analysis | Felix | 97 | BIOSYM |
| 2 | structure solution | X-PLOR | 3.1 | BRUNGER |
| 3 | refinement | X-PLOR | 3.1 | BRUNGER |
