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Solution Structure of Marine Sponge-Derived Asteropsin E Which is Highly Resistant to Gastrointestinal Proteases
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 10 mg/mL Asteropsin E methanol 7.0 ambient 298 2 2D 1H-1H TOCSY 10 mg/mL Asteropsin E methanol 7.0 ambient 298 3 2D DQF-COSY 10 mg/mL Asteropsin E methanol 7.0 ambient 298 4 2D 1H-13C HSQC 10 mg/mL Asteropsin E methanol 7.0 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker BioSpin GmbH 900
NMR Refinement Method Details Software simulated annealing CNS
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CNS 1.3 Brunger, Adams, Clore, Gros, Nilges and Read 2 refinement CYANA 2.0 Guntert, Mumenthaler and Wuthrich 3 data analysis Sparky Goddard 4 refinement CNS Brunger, Adams, Clore, Gros, Nilges and Read