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Solution structure of the analgesic sea anemone peptide APETx2
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 300 uM APETx2, 20 mM potassium phosphate 95% H2O/5% D2O 20 6.0 ambient 298 2 2D 1H-13C HSQC 300 uM APETx2, 20 mM potassium phosphate 95% H2O/5% D2O 20 6.0 ambient 298 3 2D 1H-1H COSY 300 uM APETx2, 20 mM potassium phosphate 95% H2O/5% D2O 20 6.0 ambient 298 4 2D 1H-1H NOESY 300 uM APETx2, 20 mM potassium phosphate 95% H2O/5% D2O 20 6.0 ambient 298 5 2D 1H-1H TOCSY 300 uM APETx2, 20 mM potassium phosphate 95% H2O/5% D2O 20 6.0 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 900
NMR Refinement Method Details Software torsion angle dynamics AUTOMATED NOE ASSIGNMENTS BY CYANA CYANA
NMR Ensemble Information Conformer Selection Criteria Best MolProbity score Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (best stereochemistry)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CYANA 3.0 Guntert, Mumenthaler and Wuthrich 2 data analysis TALOS + Cornilescu, Delaglio and Bax 3 processing TopSpin 3.1 Cornilescu, Delaglio and Bax 4 collection TopSpin 3.1 Cornilescu, Delaglio and Bax 5 processing Rowland_NMR_Toolkit 3 J. C. Hoch & A. S. Stern 6 refinement CYANA 3.0 Guntert, Mumenthaler and Wuthrich