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Solution structure and alanine scan of a spider toxin that affects the activation of mammalian sodium channels
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D TOCSY 2.2mM Magi 5, 95% H2O, 5% D2O 95% H2O/5% D2O 4.5 AMBIENT 278 2 2D NOESY 2.2mM Magi 5, 95% H2O, 5% D2O 95% H2O/5% D2O 4.5 AMBIENT 278 3 DQF-COSY 2.2mM Magi 5, 95% H2O, 5% D2O 95% H2O/5% D2O 4.5 AMBIENT 278
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 800 2 Bruker DRX 600
NMR Refinement Method Details Software simulated annealing XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (closest to the average)
Additional NMR Experimental Information Details THIS STRUCTURE WAS DETERMINED USING STANDARD 2D HOMONUCLEAR TECHNIQUES
Computation: NMR Software # Classification Version Software Name Author 1 processing XwinNMR 3.5 Bruker Biospin 2 processing TopSpin 1.3 Bruker Biospin 3 data analysis XEASY 1.3.13 Bartels 4 structure solution CYANA 1.0.6 Hermann 5 refinement XPLOR-NIH 2.9.3 Schwieters