2FWU
Second Ca2+ binding domain of the Na,Ca-exchanger (NCX1)
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_13C separated aliphatic NOESY | 0.5-1.0mM 13C, 15N labeled CBD2 sample in 20mM HEPES (pH 7.0), 20mM beta-Mercaptoethanol buffer | 95% ddH2O, 5% D2O | 20mM HEPES (sodium salt) | 7.0 | ambient | 306 | |
2 | 3D_13C separated aromatic NOESY | 0.5-1.0mM 13C, 15N labeled CBD2 sample in 20mM HEPES (pH 7.0), 20mM beta-Mercaptoethanol buffer | 95% ddH2O, 5% D2O | 20mM HEPES (sodium salt) | 7.0 | ambient | 306 | |
3 | 3D_15N-separated_NOESY | 0.5-1.0mM 13C, 15N labeled CBD2 sample in 20mM HEPES (pH 7.0), 20mM beta-Mercaptoethanol buffer | 95% ddH2O, 5% D2O | 20mM HEPES (sodium salt) | 7.0 | ambient | 306 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 800 |
2 | Varian | INOVA | 600 |
NMR Refinement | ||
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Method | Details | Software |
torsion angle dynamics | The structures are based on 2394 NOE-derived distance constraints, 185 dihedral angle restraints (talos), 8 distance constraints to the 2 Ca2+ ions | NMRPipe |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | processing | NMRPipe | 2.1 | Delaglio, F. |
2 | data analysis | XEASY | 1.3.13 | Bartels, C. |
3 | structure solution | CYANA | 2.0 | Guentert, P. |
4 | refinement | X-PLOR | NIH version 2.9.7 | Clore, G.M. |