2A9H
NMR structural studies of a potassium channel / charybdotoxin complex
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D 13C-edited NOESY | 1 mM KcsA, 2H and selectively 13C-methyl labeled in 20 mM sodium phosphate (pH 7.5), 5 mM KCl, 1 mM DTT, and 80 mM foscholine-12 | 90% H2O/10% D2O or 100% D2O | 7.5 | ambient | 315 | ||
2 | 3D-filtered NOESY | 1 mM KcsA, 2H and selectively 13C-methyl labeled in 20 mM sodium phosphate (pH 7.5), 5 mM KCl, 1 mM DTT, and 80 mM foscholine-12 | 90% H2O/10% D2O or 100% D2O | 7.5 | ambient | 315 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 800 |
2 | Bruker | DRX | 600 |
NMR Refinement | ||
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Method | Details | Software |
molecular SIMULATED ANNEALING / dynamics / docking | CNS |
NMR Ensemble Information | |
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Conformer Selection Criteria | |
Conformers Calculated Total Number | |
Conformers Submitted Total Number | 1 |
Representative Model | (minimized average structure) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | structure solution | CNS | 2002 | Brunger |
2 | refinement | CNS | 2002 | Brunger |