1SG7
NMR solution structure of the putative cation transport regulator ChaB
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D 15N/13C edited NOESY | 1.5mM ChaB U-15N,13C 50mM CaCl2 1mM NaN3 | 90% H2O/10% D2O | 50mM CaCl2 | 6.3 | ambient | 303 | |
2 | HNHA | 1.5mM ChaB U-15N,13C 50mM CaCl2 1mM NaN3 | 90% H2O/10% D2O | 50mM CaCl2 | 6.3 | ambient | 303 | |
3 | 3D_13C-separated_NOESY | 1.5mM ChaB U-15N,13C 50mM CaCl2 1mM NaN3 | 90% H2O/10% D2O | 50mM CaCl2 | 6.3 | ambient | 303 | |
4 | 4D_13C-separated_NOESY | 1.5mM ChaB U-15N,13C 50mM CaCl2 1mM NaN3 | 90% H2O/10% D2O | 50mM CaCl2 | 6.3 | ambient | 303 | |
5 | IPAP-HSQC | 1mM ChaB U-15N,50mM Phosphate buffer, 100mM NaCl, 1mM NaN3, 11mg/ml Pf1 phage | 90% H2O/10% D2O | 50mM Phosphate, 100mM NaCl | 6.3 | ambient | 303 | |
6 | 4D_13C/15N-separated_NOESY | 1.5mM ChaB U-15N,13C 50mM CaCl2 1mM NaN3 | 90% H2O/10% D2O | 50mM CaCl2 | 6.3 | ambient | 303 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
2 | Varian | UNITYPLUS | 800 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing molecular dynamics | The structures were determined from 2150 NOE restraints, 49 dihedral angle constraints and 58 residual dipolar coupling restraints. | NMRPipe |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 17 |
Representative Model | 16 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | processing | NMRPipe | 2.2 | delaglio et al |
2 | data analysis | NMRView | 5.0.4 | Belvins and Johnson |
3 | structure solution | ARIA | 1.1 | Nilges |
4 | structure solution | CNS | 1.1 | Brunger et al |
5 | refinement | CNS | 1.1 | Brunger et al |