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Structure-activity relationship of peptide toxin HelaTx1: a new kappa-KTx subfamily affecting K+ channel
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 90 % v/v H2O-1, 10 % v/v [U-100% 2H] D2O-2 90% H2O/10% D2O 4.0 ambient 288 2 2D 1H-1H COSY 90 % v/v H2O-1, 10 % v/v [U-100% 2H] D2O-2 90% H2O/10% D2O 4.0 ambient 288 3 2D 1H-1H NOESY 90 % v/v H2O-1, 10 % v/v [U-100% 2H] D2O-2 90% H2O/10% D2O 4.0 ambient 288
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600
NMR Refinement Method Details Software torsion angle dynamics CYANA
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 chemical shift assignment CYANA Guntert, Mumenthaler and Wuthrich 2 refinement X-PLOR-NIH