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Solution NMR structure of toxin-like potassium channel blocking domain in MMP23
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 2.25 mM MMP23-BgK 94% H2O/6% D2O 5.00 ambient 278 2 2D 1H-1H NOESY 2.25 mM MMP23-BgK 94% H2O/6% D2O 5.00 ambient 278 3 2D DQF-COSY 2.25 mM MMP23-BgK 94% H2O/6% D2O 5.00 ambient 293 4 2D 1H-13C HSQC 2.25 mM MMP23-BgK 94% H2O/6% D2O 5.00 ambient 293 5 2D 1H-15N HSQC 2.25 mM MMP23-BgK 94% H2O/6% D2O 5.00 ambient 293 6 2D 1H-1H TOCSY 2.2 mM MMP23-BgK 100% D2O 5.00 ambient 278 7 2D 1H-1H NOESY 2.2 mM MMP23-BgK 100% D2O 5.00 ambient 278 8 2D 1H-1H TOCSY 2.25 mM MMP23-BgK 94% H2O/6% D2O 5.00 ambient 293 9 2D 1H-1H NOESY 2.25 mM MMP23-BgK 94% H2O/6% D2O 5.00 ambient 293
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 600 2 Bruker AVANCE 500
NMR Refinement Method Details Software simulated annealing X-PLOR NIH
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 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 2 structure solution X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 3 processing XEASY 1.3.13 Bartels et al. 4 collection XEASY 1.3.13 Bartels et al. 5 processing TopSpin 1.3 Bruker Biospin 6 collection TopSpin 1.3 Bruker Biospin 7 structure solution CYANA Guntert, Mumenthaler and Wuthrich 8 refinement TALOS Cornilescu, Delaglio and Bax