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NMR SOLUTION STRUCTURE OF AN EF-HAND CALCIUM BINDING PROTEIN FROM ENTAMOEBA HISTOLYTICA
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_15N-separated_NOESY 3mM EHCaBP, 30mM Deuterated Tris buffer, 30mM Calc2 90% H2O/10% D2O 10mM Cacl2 6.0 1 atm 308 2 HNHA 3mM EHCaBP, 30mM Deuterated Tris buffer, 30mM Calc2 90% H2O/10% D2O 10mM Cacl2 6.0 1 atm 308 3 2D NOESY 3mM EHCaBP, 30mM Deuterated Tris buffer, 30mM Cacl2 100% D2O 10mM Cacl2 6.0 1 atm 308 4 3D_13C-separated_NOESY 3mM EHCaBP, 30mM Deuterated Tris buffer, 30mM Cacl2 100% D2O 10mM Cacl2 6.0 1 atm 308
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian UNITYPLUS 600
NMR Refinement Method Details Software torsion angle dynamics The structure is based on a total of 1265 NOE-derived distance constraints, 200 dihedral angle constraints DYANA
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (fewest violations)
Additional NMR Experimental Information Details The structure was determined using triple-resonance NMR spectroscopy
Computation: NMR Software # Classification Version Software Name Author 1 structure solution DYANA 1.5 Guentert, Mumenthaler and Wuthrich 2 refinement DYANA 1.5 Guentert, Mumenthaler and Wuthrich