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Chemical shift assignments and structure calculation of spider toxin pi-hexatoxin-Hi1a
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES 95% H2O/5% D2O 6.0 ambient 298 2 3D 1H-13C NOESY aliphatic 300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES 95% H2O/5% D2O 6.0 ambient 298 3 3D 1H-13C NOESY aromatic 300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES 95% H2O/5% D2O 6.0 ambient 298 4 3D HNCO 300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES 95% H2O/5% D2O 6.0 ambient 298 5 3D HNCACB 300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES 95% H2O/5% D2O 6.0 ambient 298 6 3D CBCA(CO)NH 300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES 95% H2O/5% D2O 6.0 ambient 298 7 3D HBHA(CO)NH 300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES 95% H2O/5% D2O 6.0 ambient 298 8 3D 1H-15N NOESY 300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES 95% H2O/5% D2O 6.0 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE II 900
NMR Refinement Method Details Software torsion angle dynamics TopSpin
NMR Ensemble Information Conformer Selection Criteria structures with best stereochemical properties Conformers Calculated Total Number 30 Conformers Submitted Total Number 20 Representative Model 1 (best stereochemical properties)
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin 3.2 Bruker Biospin 2 dihedral angle prediction TALOS Cornilescu, Delaglio and Bax 3 chemical shift assignment Sparky Goddard 4 peak picking Sparky Goddard 5 chemical shift assignment XEASY Bartels et al. 6 peak picking XEASY Bartels et al. 7 processing nus data Rowland_NMR_Toolkit Hoch JC 8 processing Rowland_NMR_Toolkit Hoch JC 9 chemical shift assignment CYANA 3.0 Guntert, Mumenthaler and Wuthrich 10 structure calculation CYANA 3.0 Guntert, Mumenthaler and Wuthrich 11 refinement CYANA 3.0 Guntert, Mumenthaler and Wuthrich