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Solution structure of peptide H30 by Nuclear Magnetic Resonance Spectroscopy
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H COSY 0.9 mM H30, 13 mM TCEP.HCl, 0.175 mM 98%[U-2H]2,2,3,3-D4 TSP 90% H2O/10% D2O 0 2.5 1 atm 298 Bruker AVANCE III 600 2 2D 1H-1H TOCSY 0.9 mM H30, 13 mM TCEP.HCl, 0.175 mM 98%[U-2H]2,2,3,3-D4 TSP 90% H2O/10% D2O 0 2.5 1 atm 298 Bruker AVANCE III 600 3 2D 1H-1H NOESY 0.9 mM H30, 13 mM TCEP.HCl, 0.175 mM 98%[U-2H]2,2,3,3-D4 TSP 90% H2O/10% D2O 0 2.5 1 atm 298 Bruker AVANCE III 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 600
NMR Refinement Method Details Software torsion angle dynamics The structures are based on 311 NOE-derived distance constraints and 195 dihedral angle restraints CYANA simulated annealing Energy minimization with water solvent refinement Amber
NMR Ensemble Information Conformer Selection Criteria target function Conformers Calculated Total Number 500 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin 3.1 Bruker Biospin 2 processing TopSpin 3.1 Bruker Biospin 3 peak picking Sparky 3.106 Goddard 4 data analysis Sparky 3.106 Goddard 5 structure calculation CYANA 2.1 Guntert, Mumenthaler and Wuthrich 6 refinement Amber 16 Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman 7 chemical shift assignment Sparky 3.106 Goddard