N-terminal Region of the Ca2+-saturated calcium regulatory domain (CLD) from Soybean Calcium-dependent Protein Kinase-alpha (CDPK)
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 3D_15N-separated_NOESY | 0.5 mM U-15N NtH-CLD; 200 mM NaCl; 10 mM CaCl2; 95% H2O, 5% D2O | 95% H2O/5% D2O | 200 mM NaCl, 10 mM CaCl2 | 6.9 | ambient | 303 | |
| 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 765 unambiguous NOE-derived restraints, 118 ambiguous NOE-derived restraints, 130 dihedral angle restraints (CSI and TALOS derived) | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | back calculated data agree with experimental NOESY spectrum,structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy |
| 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 |
