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NMR Solution Structure of Excelsatoxin A
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 1.0 mM peptide 70% H2O/30% CD3CN 0 3.0 1 atm 298 Bruker AVANCE NEO 900 2 2D 1H-1H NOESY 1.0 mM peptide 70% H2O/30% CD3CN 0 3.0 1 atm 298 Bruker AVANCE NEO 900 3 2D 1H-1H ECOSY 1 mM peptide 70% D2O/30% CD3CN 0 3.0 1 atm 298 Bruker AVANCE III 600 4 2D 1H-1H TOCSY 1 mM peptide 70% D2O/30% CD3CN 0 3.0 1 atm 298 Bruker AVANCE III 600 5 2D 1H-15N HSQC 1.0 mM peptide 70% H2O/30% CD3CN 0 3.0 1 atm 298 Bruker AVANCE III 600 6 2D 1H-13C HSQC aliphatic 1 mM peptide 70% D2O/30% CD3CN 0 3.0 1 atm 298 Bruker AVANCE III 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 600 2 Bruker AVANCE NEO 900
NMR Refinement Method Details Software simulated annealing CNS
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin Bruker Biospin 2 chemical shift assignment CcpNmr Analysis CCPN 3 structure calculation CYANA Guntert, Mumenthaler and Wuthrich 4 refinement CNS Brunger, Adams, Clore, Gros, Nilges and Read