1F55
SOLUTION STRUCTURE OF THE CALCIUM BOUND N-TERMINAL DOMAIN OF YEAST CALMODULIN
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 5 mM N-terminal domain of Yeast Calmodulin; 50 mM KCl; 15 mM CaCl2; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50mM KCl | 6.8 | ambient | 303 | |
2 | DQF-COSY | 5 mM N-terminal domain of Yeast Calmodulin; 50 mM KCl; 15 mM CaCl2; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50mM KCl | 6.8 | ambient | 303 | |
3 | 2D TOCSY | 5 mM N-terminal domain of Yeast Calmodulin; 50 mM KCl; 15 mM CaCl2; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50mM KCl | 6.8 | ambient | 303 | |
4 | 3D_15N-separated_NOESY | 3 mM N-terminal domain of Yeast Calmodulin U-15N; 50 mM KCl; 9 mM CaCl2; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50mM KCl | 6.8 | ambient | 303 | |
5 | 3D_15N-separated_TOCSY | 3 mM N-terminal domain of Yeast Calmodulin U-15N; 50 mM KCl; 9 mM CaCl2; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50mM KCl | 6.8 | ambient | 303 | |
6 | 15N-HSQC | 3 mM N-terminal domain of Yeast Calmodulin U-15N; 50 mM KCl; 9 mM CaCl2; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50mM KCl | 6.8 | ambient | 303 | |
7 | 2D NOESY | 3 mM N-terminal domain of Yeast Calmodulin; 50 mM KCl; 9 mM CaCl2; 99.99% D2O | 99.99% D2O | 50mM KCl | 6.8 | ambient | 303 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | JEOL | A | 500 |
2 | JEOL | A | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | The structures are based on a total of 920 restraints, 863 are NOE-derived distance constraints, 17 dihedral angle restraints, 28 distance restraints from hydrogen bonds, 12 calcium-ligand distance restraints | X-PLOR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 30 |
Additional NMR Experimental Information | |
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Details | The structure was determined using double-resonance NMR spectroscopy on 15N-labeled protein |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | X-PLOR | 3.851 | Brunger |
2 | refinement | X-PLOR | 3.851 | Brunger |