Ca2+-regulatory region (CLD) from soybean calcium-dependent protein kinase-alpha (CDPK) in the presence of Ca2+ and the junction domain (JD)
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 3D_13C-separated_NOESY | 0.8 mM U-15N,13C CLD; 0.9 mM unlabelled JD peptide; 50 mM H2-Imidazole, pH 7.3; 150 mM NaCl; 10 mM CaCl2; 95% H2O, 5% D2O | 95% H2O/5% D2O | 150 mM NaCl, 10 mM CaCl2, 50 mM H2-Imidazole | 7.3 | ambient | 313 | |
| 2 | 3D_15N-separated_NOESY | 0.8 mM U-15N,13C CLD; 0.9 mM unlabelled JD peptide; 50 mM H2-Imidazole, pH 7.3; 150 mM NaCl; 10 mM CaCl2; 95% H2O, 5% D2O | 95% H2O/5% D2O | 150 mM NaCl, 10 mM CaCl2, 50 mM H2-Imidazole | 7.3 | ambient | 313 | |
| 3 | 3D_15N-separated_NOESY | 0.8 mM U-15N,13C CLD; 0.9 mM unlabelled JD peptide; 50 mM H2-Imidazole, pH 7.3; 150 mM NaCl; 10 mM CaCl2; 95% H2O, 5% D2O | 95% H2O/5% D2O | 200 mM NaCl, 10 mM CaCl2, 50 mM H2-Imidazole | 7.3 | ambient | 313 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 800 |
| 2 | Bruker | AVANCE | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing; molecular dynamics; matrix relaxation | Based on 3051 unambiguous NOE-derived restraints, 1183 ambiguous NOE-derived restraints, 122 dihedral angle restraints (TALOS derived), 45 HN residual dipolar coupling restraints | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 15 |
| Additional NMR Experimental Information | |
|---|---|
| Details | The structure was determined using triple-resonance NMR spectroscopy |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 2.6 | Bruker |
| 2 | processing | NMRPipe | 2.1 | Delaglio and Bax |
| 3 | data analysis | NMRView | 5.04 | Johnson |
| 4 | structure solution | CNS | 1.1 | Brunger |
| 5 | iterative matrix relaxation | ARIA | 1.2 | Nilges |
| 6 | collection | VNMR | unknown | Varian |
| 7 | refinement | CNS | 1.1 | Brunger |














