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Averaged structure for unligated Staphylococcal nuclease-H124L
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 E-COSY 3.5-5 mM Nuclease-H124L U-50% 2H; 300 mM KCl; D2O D2O 300 nM KCl 5.5 ambient 318 2 HMQC-J 3.5-5 mM Nuclease-H124L U-95% 15N; 300 mM KCl; H2O H2O 300 nM KCl 5.1 ambient 318 3 DQF-COSY 3.5-5 mM Nuclease-H124L; 300 mM KCl; D2O D2O 300 nM KCl 5.5 ambient 318 4 2D NOESY 3.5-5 mM Nuclease-H124L U-50% 2H; 300 mM KCl; D2O D2O 300 nM KCl 5.5 ambient 318 5 2D NOESY 3.5-5 mM Nuclease-H124L U-50% 2H; 300 mM KCl; H2O H2O 300 nM KCl 5.1 ambient 318 6 3D 1H-15N NOESY-HMQC 3.5-5 mM Nuclease-H124L U-95% 15N; 300 mM KCl; H2O H2O 300 nM KCl 5.1 ambient 318 7 2D 1H-13C HMQC 3.5-5 mM Nuclease-H124L U-98% 13C; 300 mM KCl; H2O H2O 300 nM KCl 5.1 ambient 318 8 HNCO 3.5-5 mM Nuclease-H124L U-98% 13C U-99% 15N; 300 mM KCl; H2O H2O 300 nM KCl 5.1 ambient 318 9 3D HNCA 3.5-5 mM Nuclease-H124L U-98% 13C U-99% 15N; 300 mM KCl; H2O H2O 300 nM KCl 5.1 ambient 318 10 and others 3.5-5 mM Nuclease-H124L U-50% 2H; 300 mM KCl; D2O D2O 300 nM KCl 5.5 ambient 318
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AM 500 2 Bruker AM 600
NMR Refinement Method Details Software Distance, hydrogen bond and torsion angle constraints 2176 constraints were used to calculate the structure Felix
NMR Ensemble Information Conformer Selection Criteria Conformers Calculated Total Number Conformers Submitted Total Number 1 Representative Model (minimized average structure)
Computation: NMR Software # Classification Version Software Name Author 1 processing Felix Biosym Technologies Inc 2 structure solution X-PLOR 3.1 Brunger 3 structure solution Insight II 2.3 Biosym Technologies Inc 4 structure solution HBPLUS McDonald and Thornton 5 refinement X-PLOR 3.1 Brunger