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Solution structure of the antigenic TB protein MPT70/MPB70
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_15N-separated_NOESY 1.0mM MPB70 U-15N, 20mM phosphate buffer/100mM NaCl 90% H2O/10% D2O 20mM phosphate/100mM NaCl 6.0 ambient 303 2 3D_13C-separated_NOESY 1.0mM MPB70 U-15N,U-13C (except Y,H,F(12C)), 20mM phosphate buffer/100mM NaCl 100% D2O 20mM phosphate/100mM NaCl 6.0 ambient 303 3 HNHB 1.0mM MPB70 U-15N, 20mM phosphate buffer/100mM NaCl 90% H2O/10% D2O 20mM phosphate/100mM NaCl 6.0 ambient 303 4 3D_15N-separated_TOCSY (short tmix) 1.0mM MPB70 U-15N, 20mM phosphate buffer/100mM NaCl 90% H2O/10% D2O 20mM phosphate/100mM NaCl 6.0 ambient 303 5 2D NOESY 1.0mM MPB70 U-14N,12C, 20mM phosphate buffer/100mM NaCl 90% H2O/10% D2O 20mM phosphate/100mM NaCl 6.0 ambient 303 6 2D NOESY 1.0mM MPB70 U-14N,12C, 20mM phosphate buffer/100mM NaCl 100% D2O 20mM phosphate/100mM NaCl 6.0 ambient 303
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian UNITYPLUS 600 2 Varian INOVA 800
NMR Refinement Method Details Software torsion angle dynamics with simmulated annealing the solution structures are based on a total of 2892 NOE-derived distance constraints, 98 distance constraints from hydrogen bonds and 35 torsion angle constraints VNMR
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 100 Conformers Submitted Total Number 38 Representative Model 1 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 collection VNMR 6.1B Varian 2 processing NMRPipe sgi6x Delaglio 3 data analysis XEASY 1.3.11 Bartels 4 structure solution CYANA 1.0.3 Guentert 5 refinement CYANA 1.0.3 Guentert