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The Insect Defensin Lucifensin from Lucilia sericata
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 2 mM lucifensin, 10 mM potassium phosphate, 5 % D2O, 15 uM TSP 95% H2O/5% D2O 5.0 ambient 298.15 2 2D 1H-1H NOESY 2 mM lucifensin, 10 mM potassium phosphate, 5 % D2O, 15 uM TSP 95% H2O/5% D2O 5.0 ambient 298.15 3 2D DQF-COSY 2 mM lucifensin, 10 mM potassium phosphate, 5 % D2O, 15 uM TSP 95% H2O/5% D2O 5.0 ambient 298.15 4 2D 1H-13C HSQC 2 mM lucifensin, 10 mM potassium phosphate, 5 % D2O, 15 uM TSP 95% H2O/5% D2O 5.0 ambient 298.15 5 2D 1H-13C HSQC aromatic 2 mM lucifensin, 10 mM potassium phosphate, 5 % D2O, 15 uM TSP 95% H2O/5% D2O 5.0 ambient 298.15
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 800 2 Bruker DRX 600
NMR Refinement Method Details Software simulated annealing, molecular dynamics First, in vacuo refinement with the NOVA force field, then refinement in explicit water with the YASARA force field TopSpin
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 2.1 Bruker Biospin 2 processing TopSpin 2.1 Bruker Biospin 3 chemical shift assignment CARA 1.8.4 Keller and Wuthrich 4 data analysis CARA 1.8.4 Keller and Wuthrich 5 peak picking CARA 1.8.4 Keller and Wuthrich 6 structure solution CYANA 2.1 Guntert, Mumenthaler and Wuthrich 7 geometry optimization CYANA 2.1 Guntert, Mumenthaler and Wuthrich 8 geometry optimization TALOS+ Cornilescu, Delaglio and Bax 9 refinement YASARA 11.5.21 Elmar Krieger 10 structure validation ProcheckNMR Laskowski and MacArthur