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NMR solution structure of Mu-conotoxin KIIIA
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 2.6 mM entity-1 94% H2O/6% D2O 2.9 283 2 2D 1H-13C HSQC 2.6 mM entity-1 94% H2O/6% D2O 2.9 ambient 278 3 2D 1H-1H TOCSY 2.6 mM entity-1 94% H2O/6% D2O 4.8 278 4 2D DQF-COSY 2.6 mM entity-1 94% H2O/6% D2O 4.8 278 5 2D 1H-1H NOESY 2.6 mM entity-1 94% H2O/6% D2O 4.8 278 6 2D 1H-1H TOCSY 2.6 mM entity-1 94% H2O/6% D2O 2.9 ambient 278 7 2D 1H-1H NOESY 2.6 mM entity-1 94% H2O/6% D2O 2.9 ambient 278 8 2D 1H-1H TOCSY 2.3 mM entity-2 100% D2O 5.3 278 9 2D 1H-1H NOESY 2.3 mM entity-2 100% D2O 5.3 278
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 600 2 Bruker AVANCE 500
NMR Refinement Method Details Software simulated annealing TopSpin
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin Bruker Biospin 2 processing TopSpin Bruker Biospin 3 chemical shift assignment XEASY Bartels et al. 4 peak picking XEASY Bartels et al. 5 structure solution CYANA Guntert, Mumenthaler and Wuthrich 6 geometry optimization X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 7 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 8 data analysis ProcheckNMR Laskowski and MacArthur