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SOLUTION STRUCTURE OF THE UMUD' HOMODIMER
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 HNHA 0.9 mM UmuD' U-15N; 150 mM NaCl, 10 mM phosphate, pH 6.0, 1mM DTT, 0.1 mM EDTA 95% H2O/5% D2O 150 mM NaCl 6.0 ambient 303 2 3D_15N-separated_NOESY 0.9 mM UmuD' U-15N; 150 mM NaCl, 10 mM phosphate, pH 6.0, 1mM DTT, 0.1 mM EDTA 95% H2O/5% D2O 150 mM NaCl 6.0 ambient 303 3 2D_NOESY 1.5 mM UmuD' unlabeled; 150 mM NaCl, 20 mM phosphate, pH 6.0, 1 mM DTT, 0.1 mM EDTA 95% H20, 5% D2O 150 mM NaCl 6.0 ambient 303 4 2D_NOESY 1.4 mM UmuD' unlabeled; 150 mM NaCl, 20 mM phosphate, pH 6.0, 1 mM DTT, 0.1 mM EDTA 100% D2O 150 mM NaCl 6.0 ambient 303 5 3D_13C-separated_NOESY 1.3 mM UmuD' U-15N,13C; 150 mM NaCl, 20 mM phosphate, pH 6.0, 1 mM DTT, 0.1 mM EDTA 95% H2O/5% D2O 150 mM NaCl 6.0 ambient 303 6 3D_15N-separated_NOESY 2.7 mM UmuD' U-100% 2H,15N and 2.7 mM unlabeled UmuD'; 150 mM NaCl, 20 mM phosphate, pH 6.0, 1 mM DTT, 0.1 mM EDTA 95% H20, 5% D2O 150 mM NaCl 6.0 ambient 303
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian UNITYPLUS 750 2 Varian UNITYPLUS 400 3 Bruker AMX 600 4 Bruker AMX 500 5 Varian VXR 500
NMR Refinement Method Details Software simulated annealing Felix
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations,structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (closest to the average)
Additional NMR Experimental Information Details The structure was determined using triple-resonance NMR spectroscopy
Computation: NMR Software # Classification Version Software Name Author 1 processing Felix 97.0 Molecular Simulations Inc. 2 data analysis XEASY 1.3.9 Bartels et al 3 refinement X-PLOR 3.851 Brunger