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Solution structures of ubiquitin at 30 bar and 3 kbar
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 10mM Ubiquitin; 30mM deutrated acetate buffer; 92% H2O, 8% D2O 92% H2O, 8% D2O 0.03 4.6 30 bar 293 2 HNCA-J 3.0mM 15N-Ubiquitin; 30mM deutrated acetate buffer; 95% H2O, 5% D20 95% H2O, 5% D20 0.03 4.6 1 bar 293 3 2D-HNCA 1.8mM 15N-13C-Ubiquitin; 30mM deutrated acetate buffer; 95% H2O, 5% D2O 95% H2O, 5% D20 0.03 4.6 30 bar 293
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 800
NMR Refinement Method Details Software simulated annealing, torsion angle dynamics the structures are based on a total of 1269 restraints, 1185 are NOE-derived distance constraints, 84 dihedral angle restraints. XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 10 Representative Model 3 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 3.0 unknown 2 data analysis NMRPipe 2.2 Delagrio, F. 3 structure solution CYANA 1.06 Guntert. P. 4 data analysis NMRView 5.0.4 unknown 5 refinement CYANA 1.06 Guntert. P.