1PSB
Solution structure of calcium loaded S100B complexed to a peptide from N-Terminal regulatory domain of NDR kinase.
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 | 1 mM 1H,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 90% H2O/10% D2O | 0.045 M/L | 7.5 | ambient | 310 | |
2 | 3D_13C-separated_NOESY | 1 mM 1H,13C,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 90% H2O/10% D2O | 0.045 M/L | 7.5 | ambient | 310 | |
3 | 3D_13C-separated_NOESY | 1 mM 1H,13C,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 100% D2O | 0.045 M/L | 7.5 | ambient | 310 | |
4 | 2D_15N/13C_F2-Filtered_NOESY | 1 mM 1H,13C,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 90% H2O/10% D2O | 0.045 M/L | 7.5 | ambient | 310 | |
5 | 3D_13C-F1_separated_13C/15N-F2_Filtered_HMQC-NOESY | 1 mM 1H,13C,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 90% H2O/10% D2O | 0.045 M/L | 7.5 | ambient | 310 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
2 | Bruker | AVANCE | 800 |
NMR Refinement | ||
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Method | Details | Software |
Torsion Angle Dynamics, Restrained Molecular Dynamics, Simulated Annealing, | The structures are based on a total of 3274 restraints, 2964 are NOE-derived distance constraints and 310 dihedral angle restraints. | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations,structures with the lowest energy |
Conformers Calculated Total Number | 128 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average) |
Additional NMR Experimental Information | |
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Details | Protein Backbone/Side-Chain Assignments were made from 3D CBCA(CO)NH, 3D HNCA, 3D HN(CO)CA, 3D HNCO 3D HCCH-TOCSY, 3D HCCH-COSY experiments. Peptide was assigned from 2D-Filtered COSY/TOCSY Experiments. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 3.0 | Bruker |
2 | processing | Felix | 2000 | Accelrys |
3 | data analysis | Felix | 2000 | Accelrys |
4 | structure solution | DYANA | 1.5 | Guentert |
5 | refinement | Amber | 7.0 | Pearlman, Case, Caldwell, Seibel, Chandra Singh, Weiner, Kollman |