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The solution structure of the N-domain of the transcription factor abrB
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_15N-separated_NOESY 0.5mM AbrB-N U-15N; 20mM phosphate buffer; 80mM KCl 90% H2O/10% D2O 80mM 5.8 AMBIENT 305 2 2D NOESY 0.5mM AbrB-N; 20mM phosphate buffer; 80mM KCl 90% H2O/10% D2O 80mM 5.8 AMBIENT 305 3 HNHA 0.5mM AbrB-N U-15N; 20mM phosphate buffer; 80mM KCl 90% H2O/10% D2O 80mM 5.8 AMBIENT 305 4 13C-filtered/edited NOESY 0.25mM AbrB-N U-15N, 0.25mM AbrB-N U-13C; 20mM phosphate buffer; 80mM KCl 90% H2O/10% D2O 80mM 5.8 AMBIENT 305
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DMX 600 2 Bruker DMX 750 3 Bruker DMX 900
NMR Refinement Method Details Software simulated annealing X-PLOR
NMR Ensemble Information Conformer Selection Criteria LOWEST RESTRAINT VIOLATIONS Conformers Calculated Total Number 50 Conformers Submitted Total Number 22 Representative Model 1 (fewest violations)
Additional NMR Experimental Information Details INTERMOLECULAR CONTACTS IDENTIFIED USING A DIFFERENTIALLY 15N/13C LABELLED DIMER SAMPLE
Computation: NMR Software # Classification Version Software Name Author 1 structure solution X-PLOR NIH-2.9.7 BRUNGER, A.T. 2 collection XwinNMR 3.5 Bruker 3 processing XwinNMR 3.5 Bruker 4 data analysis NMRView 5.0.15 Johnson, B.A. 5 refinement X-PLOR NIH-2.9.7 BRUNGER, A.T.