2M50
Analysis of the structural and molecular basis of voltage-sensitive sodium channel inhibition by the spider toxin, Huwentoxin-IV (-TRTX-Hh2a).
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-15N HSQC | 2 mM entity, 20 mM sodium phosphate, 150 uM sodium azide, 100 uM [U-99% 2H] EDTA | 90% H2O/10% D2O | 6.7 | ambient | 298 | ||
2 | 2D 1H-1H TOCSY | 2 mM entity, 20 mM sodium phosphate, 150 uM sodium azide, 100 uM [U-99% 2H] EDTA | 90% H2O/10% D2O | 6.7 | ambient | 298 | ||
3 | 2D 1H-1H NOESY | 2 mM entity, 20 mM sodium phosphate, 150 uM sodium azide, 100 uM [U-99% 2H] EDTA | 90% H2O/10% D2O | 6.7 | ambient | 298 | ||
4 | 2D 1H-13C HSQC | 2 mM entity, 20 mM sodium phosphate, 150 uM sodium azide, 100 uM [U-99% 2H] EDTA | 90% H2O/10% D2O | 6.7 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 950 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | CYANA |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 1000 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | structure solution | CYANA | Guntert, Mumenthaler and Wuthrich | |
2 | refinement | CYANA | Guntert, Mumenthaler and Wuthrich |