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Refined structure of cytotoxin I
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 20 mM no cytotoxin-1, 50 mM no potassium chloride, 90 % no H2O, 10 % 99.9% D2O, 1 ug/mL no HCl 90% H2O/10% D2O 50 mM mM 6.0 1 bar 323 Bruker DRX 500 2 2D 1H-1H TOCSY 20 mM no cytotoxin-1, 50 mM no potassium chloride, 90 % no H2O, 10 % 99.9% D2O, 1 ug/mL no HCl 90% H2O/10% D2O 50 mM mM 6.0 1 bar 323 Bruker DRX 500 3 2D DQF-COSY 20 mM no cytotoxin-1, 50 mM no potassium chloride, 90 % no H2O, 10 % 99.9% D2O, 1 ug/mL no HCl 90% H2O/10% D2O 50 mM mM 6.0 1 bar 323 Bruker DRX 500 4 2D 1H-1H NOESY 20 mM no cytotoxin-1, 50 mM no potassium chloride, 90 % no H2O, 10 % 99.9% D2O, 1 ug/mL no HCl 90% H2O/10% D2O 50 mM mM 6.0 1 bar 323 Varian UNITY 600 5 2D DQF-COSY 20 mM no cytotoxin-1, 50 mM no potassium chloride, 90 % no H2O, 10 % 99.9% D2O, 1 ug/mL no HCl 90% H2O/10% D2O 50 mM mM 6.0 1 bar 323 Varian UNITY 600 6 diffusion 20 mM no cytotoxin-1, 50 mM no potassium chloride, 90 % no H2O, 10 % 99.9% D2O, 1 ug/mL no HCl 90% H2O/10% D2O 50 mM mM 6.0 1 bar 323 Varian UNITY 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500 2 Varian UNITY 600
NMR Refinement Method Details Software torsion angle dynamics the structures are based on total of 1236 restraints CYANA
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (fewest violations)
Computation: NMR Software # Classification Version Software Name Author 1 processing XwinNMR 3.1.A BRUKER 2 structure calculation CYANA 1.0.6 Guntert, Mumenthaler and Wuthrich 3 chemical shift assignment XEASY 1.2.11 Bartels et al. 4 peak picking ACME 2001.085.20.47 Delaglio, Zhengrong and Bax 5 data analysis NMRPipe April 12, 2001 Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax