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Solution structure of the insecticidal spider-venom peptide Aps III
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D 1H-13C NOESY aliphatic 450 uM [U-100% 13C; U-100% 15N] As1a, 20 mM sodium phosphate 100% D2O 6.0 ambient 298 2 3D 1H-13C NOESY aromatic 450 uM [U-100% 13C; U-100% 15N] As1a, 20 mM sodium phosphate 100% D2O 6.0 ambient 298 3 3D 1H-15N NOESY 450 uM [U-100% 13C; U-100% 15N] As1a, 20 mM sodium phosphate 95% H2O/5% D2O 6.0 ambient 298 4 3D HNCO 450 uM [U-100% 13C; U-100% 15N] As1a, 20 mM sodium phosphate 95% H2O/5% D2O 6.0 ambient 298 5 3D HNCACB 450 uM [U-100% 13C; U-100% 15N] As1a, 20 mM sodium phosphate 95% H2O/5% D2O 6.0 ambient 298 6 3D CBCA(CO)NH 450 uM [U-100% 13C; U-100% 15N] As1a, 20 mM sodium phosphate 95% H2O/5% D2O 6.0 ambient 298 7 3D C(CO)NH 450 uM [U-100% 13C; U-100% 15N] As1a, 20 mM sodium phosphate 95% H2O/5% D2O 6.0 ambient 298 8 3D H(CCO)NH 450 uM [U-100% 13C; U-100% 15N] As1a, 20 mM sodium phosphate 95% H2O/5% D2O 6.0 ambient 298 9 4D HC(CO)NH 450 uM [U-100% 13C; U-100% 15N] As1a, 20 mM sodium phosphate 95% H2O/5% D2O 6.0 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 900
NMR Refinement Method Details Software torsion angle dynamics XEASY
NMR Ensemble Information Conformer Selection Criteria Best MolProbity scores Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (lowest molprobity score)
Additional NMR Experimental Information Details All NMR data except NOESY experiments were acquired using nonuniform sampling and transformed using MaxEnt.
Computation: NMR Software # Classification Version Software Name Author 1 chemical shift assignment XEASY Bartels et al. 2 peak picking XEASY Bartels et al. 3 structure solution CYANA Guntert, Mumenthaler and Wuthrich 4 secondary structure assignment ProcheckNMR Laskowski and MacArthur 5 analysis of stereochemical quality MolProbity Davis IW et al. 6 estimation of dihedral angles TALOS Cornilescu, Delaglio and Bax 7 nmr data transformation Rowland_NMR_Toolkit Hoch, Stern et al. 8 refinement CYANA Hoch, Stern et al.