2LMZ
Solution NMR structure of the novel conotoxin im23a from Conus imperialis
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-15N HSQC | 128 uM [U-15N] Conotoxin-1 | 95% H2O/5% D2O | 5.6 | ambient | 293 | ||
2 | 2D 1H-13C HSQC | 128 uM [U-15N] Conotoxin-1 | 95% H2O/5% D2O | 5.6 | ambient | 293 | ||
3 | 2D 1H-1H TOCSY | 128 uM [U-15N] Conotoxin-1 | 95% H2O/5% D2O | 5.6 | ambient | 293 | ||
4 | 2D DQF-COSY | 128 uM [U-15N] Conotoxin-1 | 95% H2O/5% D2O | 5.6 | ambient | 293 | ||
5 | 2D 1H-1H NOESY | 128 uM [U-15N] Conotoxin-1 | 95% H2O/5% D2O | 5.6 | ambient | 293 | ||
6 | 3D 1H-15N NOESY | 128 uM [U-15N] Conotoxin-1 | 95% H2O/5% D2O | 5.6 | ambient | 293 | ||
7 | 2D 1H-1H TOCSY | 128 uM Conotoxin-2 | 95% H2O/5% D2O | 5.6 | ambient | 293 | ||
8 | 2D 1H-1H NOESY | 128 uM Conotoxin-2 | 95% H2O/5% D2O | 5.6 | ambient | 293 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
2 | Bruker | AVANCE | 800 |
3 | Bruker | AVANCE | 500 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | TopSpin |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | collection | TopSpin | Bruker Biospin | |
2 | data analysis | TopSpin | Bruker Biospin | |
3 | chemical shift assignment | XEASY | Bartels et al. | |
4 | processing | XEASY | Bartels et al. | |
5 | peak picking | XEASY | Bartels et al. | |
6 | structure solution | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
7 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore |