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Solution structure of the calmodulin binding domain (CaMBD) of small conductance Ca2+-activated potassium channels (SK2)
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_15N-separated_NOESY 1.2 mM U-15N CaMBD (residues 396-487 of rat SK2); 250 mM NaCl, 0.05 % Na-azide 90% H2O/10% D2O 250 mM 3.5 ambient 298 2 HNHA 1.2 mM U-15N CaMBD (residues 396-487 of rat SK2); 250 mM NaCl, 0.05 % Na-azide 90% H2O/10% D2O 250 mM 3.5 ambient 298 3 2D NOESY 1 mM CaMBD (residues 396-487 of rat SK2); 250 mM NaCl, 0.05 % Na-azide 90% H2O/10% D2O 250 mM 3.5 ambient 298 4 2D NOESY 1 mM CaMBD (residues 396-487 of rat SK2); 250 mM NaCl, 0.05 % Na-azide 100% D2O 250 mM 3.5 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600 2 Bruker AVANCE 800
NMR Refinement Method Details Software SIMULATED ANNEALING, TORSION ANGLE DYNAMICS see Table 1 in the primary citation for structural statistics XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations,target function Conformers Calculated Total Number 300 Conformers Submitted Total Number 23 Representative Model 22 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 2.6 Bruker 2 data analysis AURELIA 2.7.5 Neidig 3 data analysis XEASY 1.3.13 ETH Zuerich 4 structure solution DYANA 1.5 MUMENTHALER, GUENTERT 5 refinement DYANA 1.5 MUMENTHALER, GUENTERT