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Solution structure of proline-free mutant of staphylococcal nuclease
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D HNCACB 1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.0 90% H2O/10% D2O 100 mM KCl 5.0 ambient 300 2 3D CBCA(CO)NH 1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.0 90% H2O/10% D2O 100 mM KCl 5.0 ambient 300 3 3D HNCA 1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.0 90% H2O/10% D2O 100 mM KCl 5.0 ambient 300 4 3D HN(CO)CA 1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.0 90% H2O/10% D2O 100 mM KCl 5.0 ambient 300 5 3D HNCO 1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.0 90% H2O/10% D2O 100 mM KCl 5.0 ambient 300 6 3D HCCH-TOCSY 1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.0 90% H2O/10% D2O 100 mM KCl 5.0 ambient 300 7 3D 1H-15N NOESY-HSQC 1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.0 90% H2O/10% D2O 100 mM KCl 5.0 ambient 300 8 3D 1H-13C NOESY-HSQC 1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.0 90% H2O/10% D2O 100 mM KCl 5.0 ambient 300
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DMX 600
NMR Refinement Method Details Software torsion angle dynamics XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 21 Representative Model 1 (minimized average structure)
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 3.5 Bruker 2 data analysis Felix 98 MSI/Accelrys Inc. 3 refinement CNS 1.1 Brunger 4 structure solution CNS 1.1 Brunger