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Solution structure of spider-venom peptide Hs1a
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3 95% H2O/5% D2O 20 4.9 ambient 298 2 3D HNCO 0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3 95% H2O/5% D2O 20 4.9 ambient 298 3 3D CBCA(CO)NH 0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3 95% H2O/5% D2O 20 4.9 ambient 298 4 3D HNCACB 0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3 95% H2O/5% D2O 20 4.9 ambient 298 5 3D 1H-15N NOESY 0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3 95% H2O/5% D2O 20 4.9 ambient 298 6 3D 1H-13C NOESY aliphatic 0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3 95% H2O/5% D2O 20 4.9 ambient 298 7 3D 1H-13C NOESY aromatic 0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3 95% H2O/5% D2O 20 4.9 ambient 298 8 4D HCC(CO)NH TOCSY 0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3 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 Using automated NOE assignments TopSpin
NMR Ensemble Information Conformer Selection Criteria MolProbity score Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (molprobity score)
Additional NMR Experimental Information Details All 3D/4D data other than NOESY data acquired with NUS and processed using maximum entropy reconstruction
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin 3.1 Bruker Biospin 2 processing Rowland_NMR_Toolkit 3 Jeffrey C. Hoch & Alan Stern 3 peak picking XEASY Bartels et al. 4 data analysis XEASY Bartels et al. 5 data analysis TALOS+ Cornilescu, Delaglio and Bax 6 geometry optimization CYANA 3 Guntert, Mumenthaler and Wuthrich 7 structure solution CYANA 3 Guntert, Mumenthaler and Wuthrich 8 refinement CYANA 3 Guntert, Mumenthaler and Wuthrich