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Solution structure of the sodium channel toxin Hd1a
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a 95% H2O/5% D2O 20 4.9 ambient 298 2 3D HNCO 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a 95% H2O/5% D2O 20 4.9 ambient 298 3 3D HNCACB 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a 95% H2O/5% D2O 20 4.9 ambient 298 4 3D CBCA(CO)NH 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a 95% H2O/5% D2O 20 4.9 ambient 298 5 3D 1H-13C NOESY aliphatic 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a 95% H2O/5% D2O 20 4.9 ambient 298 6 3D 1H-13C NOESY aromatic 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a 95% H2O/5% D2O 20 4.9 ambient 298 7 3D 1H-15N NOESY 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a 95% H2O/5% D2O 20 4.9 ambient 298 8 3D HBHA(CO)NH 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a 95% H2O/5% D2O 20 4.9 ambient 298 9 4D HCC(CO)NH 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a 95% H2O/5% D2O 20 4.9 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 900
NMR Refinement Method Details Software torsion angle dynamics TALOS
NMR Ensemble Information Conformer Selection Criteria Best MobProbity score Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (best mobprobity score)
Additional NMR Experimental Information Details NOESY MIXING TIME 200ms
Computation: NMR Software # Classification Version Software Name Author 1 geometry optimization TALOS + Cornilescu, Delaglio and Bax 2 structure solution CYANA 3.0 Guntert, Mumenthaler and Wuthrich 3 collection TopSpin 3.1 Bruker Biospin 4 processing Rowland_NMR_Toolkit 3 Stern, Mobli, Hoch 5 data analysis XEASY Bartels et al. 6 chemical shift assignment XEASY Bartels et al. 7 refinement CYANA Guntert, Mumenthaler and Wuthrich