1LA3
Solution structure of recoverin mutant, E85Q
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_15N-separated_NOESY | 0.8mM recoverin-E85Q U-15N,13C; 10 mM imidazole, 50mM KCl, 1 mM CaCl2, 10 mM dithiothreitol, 1mM MgCl2, pH 6.7; 95% H2O, 5% D2O | 95% H2O/5% D2O | 50 mM | 6.7 | ambient | 310 | |
2 | 3D_13C-separated_NOESY | 0.8mM recoverin-E85Q U-15N,13C; 10 mM imidazole, 50mM KCl, 1 mM CaCl2, 10 mM dithiothreitol, 1mM MgCl2, pH 6.7; 95% H2O, 5% D2O | 95% H2O/5% D2O | 50 mM | 6.7 | ambient | 310 | |
3 | HNHA | 0.8mM recoverin-E85Q U-15N,13C; 10 mM imidazole, 50mM KCl, 1 mM CaCl2, 10 mM dithiothreitol, 1mM MgCl2, pH 6.7; 95% H2O, 5% D2O | 95% H2O/5% D2O | 50 mM | 6.7 | ambient | 310 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
NMR Refinement | ||
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Method | Details | Software |
distance geometry and simulated annealing | The structures are based on a total of 2050 NOE-derived distance constraints, 230 dihedral angle restraints, and 150 distance restraints from hydrogen bonds. | X-PLOR |
NMR Ensemble Information | |
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Conformer Selection Criteria | The submitted conformer models are the 14 structures with lowest energy |
Conformers Calculated Total Number | 20 |
Conformers Submitted Total Number | 14 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | The structure was determined using standard triple-resonance NMR spectroscopy |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | X-PLOR | 3.1 | Brunger |
2 | processing | NMRPipe | 2.1 | Delaglio |
3 | refinement | X-PLOR | 3.1 | Brunger |