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NMR solution structue of cytotoxin 2 from Naja Kaouthia
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 2 mM cytotoxin 2, 3 mM Cytotoxin 3 90% H2O/10% D2O 0 mM 6.0 1 atm 303 Bruker AVANCE III 800 2 2D TOCSY 2 mM cytotoxin 2, 3 mM Cytotoxin 3 90% H2O/10% D2O 0 mM 6.0 1 atm 303 Bruker AVANCE III 800 3 2D NOESY 2 mM cytotoxin 2, 3 mM Cytotoxin 3 90% H2O/10% D2O 0 mM 6.0 1 atm 303 Bruker AVANCE 700 4 2D 1H-1H COSY 2 mM cytotoxin 2, 3 mM Cytotoxin 3 90% H2O/10% D2O 0 mM 6.0 1 atm 303 Bruker AVANCE III 800 5 2D 1H-13C HSQC 2 mM cytotoxin 2, 3 mM Cytotoxin 3 90% H2O/10% D2O 0 mM 6.0 1 atm 303 Bruker AVANCE III 800 6 2D 1H-15N HSQC 2 mM cytotoxin 2, 3 mM Cytotoxin 3 90% H2O/10% D2O 0 mM 6.0 1 atm 303 Bruker AVANCE III 800 7 2D 1H-13C HSQC-TOCSY 2 mM cytotoxin 2, 3 mM Cytotoxin 3 90% H2O/10% D2O 0 mM 6.0 1 atm 303 Bruker AVANCE III 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 800 2 Bruker AVANCE 700
NMR Refinement Method Details Software torsion angle dynamics 582 NOE constraints, 109 angular constraints, 27 H-bonds, 4 SS-bonds CYANA
NMR Ensemble Information Conformer Selection Criteria target function Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (fewest violations)
Computation: NMR Software # Classification Version Software Name Author 1 refinement CYANA Guntert P. 2 structure calculation CYANA 1.0.3 Guntert, Mumenthaler and Wuthrich 3 chemical shift assignment CARA 1.8.4 Keller and Wuthrich 4 peak picking CARA 1.8.4 Keller and Wuthrich