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Solution structure of the cytoplasmic N-terminus of the BK beta-subunit KCNMB2
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 1H-1H NOESY (2D) 2mM KCNMB2(residues 1-45), NA; 90% H2O, 10% D2O 90% H2O/10% D2O 0 3.0 ambient 288 2 DQF-COSY 2mM KCNMB2(residues 1-45), NA; 90% H2O, 10% D2O 90% H2O/10% D2O 0 3.0 ambient 288 3 1H-1H NOESY (2D) 2mM KCNMB2(residues 1-45), NA; 99.9% D2O 99.9% D2O 0 3.0 ambient 288
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600
NMR Refinement Method Details Software simulated annealing, torsion angle dynamics The structures are based on 728 NOE-derived distance constraints
(486 intraresidual, 191 sequential, 51 medium-range), 5 dihedral angle
restraints, 11 stereospecific assignments XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations,target function Conformers Calculated Total Number 30 Conformers Submitted Total Number 24 Representative Model 1 (fewest violations)
Additional NMR Experimental Information Details The structure was determined using standard 2D homonuclear techniques
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 Bartels 4 refinement DYANA 1.5 Mumenthaler, Guentert