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Solution structure of peptide toxin MIITX2-Mg1a from the venom of the Australian giant red bull ant Myrmecia gulosa
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 350 uM [U-100% 13C; U-100% 15N] MIITX2-Mg1a, 50 mM MES 95% H2O/5% D2O 50 mM 6.5 1 atm 293 Bruker AVANCE III 600 2 3D CBCA(CO)NH 350 uM [U-100% 13C; U-100% 15N] MIITX2-Mg1a, 50 mM MES 95% H2O/5% D2O 50 mM 6.5 1 atm 293 Bruker AVANCE III 600 3 3D HNCACB 350 uM [U-100% 13C; U-100% 15N] MIITX2-Mg1a, 50 mM MES 95% H2O/5% D2O 50 mM 6.5 1 atm 293 Bruker AVANCE III 600 4 3D HCCH-COSY 350 uM [U-100% 13C; U-100% 15N] MIITX2-Mg1a, 50 mM MES 95% H2O/5% D2O 50 mM 6.5 1 atm 293 Bruker AVANCE III 600 5 2D 1H-13C HSQC 350 uM [U-100% 13C; U-100% 15N] MIITX2-Mg1a, 50 mM MES 95% H2O/5% D2O 50 mM 6.5 1 atm 293 Bruker AVANCE III 600 6 3D 1H-13C NOESY aliphatic 350 uM [U-100% 13C; U-100% 15N] MIITX2-Mg1a, 50 mM MES 95% H2O/5% D2O 50 mM 6.5 1 atm 293 Bruker AVANCE III 900 7 3D 1H-13C NOESY aromatic 350 uM [U-100% 13C; U-100% 15N] MIITX2-Mg1a, 50 mM MES 95% H2O/5% D2O 50 mM 6.5 1 atm 293 Bruker AVANCE III 900 8 3D 1H-15N NOESY 350 uM [U-100% 13C; U-100% 15N] MIITX2-Mg1a, 50 mM MES 95% H2O/5% D2O 50 mM 6.5 1 atm 293 Bruker AVANCE III 900 9 3D HNCO 350 uM [U-100% 13C; U-100% 15N] MIITX2-Mg1a, 50 mM MES 95% H2O/5% D2O 50 mM 6.5 1 atm 293 Bruker AVANCE III 600 10 3D HNCA 350 uM [U-100% 13C; U-100% 15N] MIITX2-Mg1a, 50 mM MES 95% H2O/5% D2O 50 mM 6.5 1 atm 293 Bruker AVANCE III 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 600 2 Bruker AVANCE III 900
NMR Refinement Method Details Software torsion angle dynamics CYANA
NMR Ensemble Information Conformer Selection Criteria structures with best stereochemical properties Conformers Calculated Total Number 30 Conformers Submitted Total Number 20 Representative Model 1 (target function)
Computation: NMR Software # Classification Version Software Name Author 1 processing TopSpin v.3.2 Bruker Biospin 2 refinement CYANA Guntert, Mumenthaler and Wuthrich 3 chemical shift assignment CcpNmr Analysis CCPN 4 peak picking CcpNmr Analysis CCPN 5 geometry optimization TALOS-N Yang Shen and Ad Bax 6 structure calculation CYANA Guntert, Mumenthaler and Wuthrich