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NMR Solution Structure for ShK-192: A Potent KV1.3-Specific Immunosuppressive Polypeptide
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 3.0 mM ShK-192 90% H2O/10% D2O 10 4.79 ambient 293 2 2D 1H-13C HSQC 3.0 mM ShK-192 90% H2O/10% D2O 10 4.79 ambient 293 3 2D 1H-1H TOCSY 3.0 mM ShK-192 90% H2O/10% D2O 10 4.79 ambient 293 4 2D 1H-1H TOCSY 3.0 mM ShK-192 100% D2O 10 4.1 ambient 278 5 2D 1H-13C HSQC 3.0 mM ShK-192 100% D2O 10 4.1 ambient 278 6 2D 1H-1H COSY 3.0 mM ShK-192 90% H2O/10% D2O 10 4.79 ambient 293 7 2D 1H-1H NOESY 3.0 mM ShK-192 90% H2O/10% D2O 10 4.79 ambient 293 8 2D 1H-1H NOESY 3.0 mM ShK-192 100% D2O 10 4.1 ambient 278
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 600 2 Bruker AMX 500
NMR Refinement Method Details Software simulated annealing, molecular dynamics X-PLOR NIH
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 50 Conformers Submitted Total Number 20 Representative Model 1 (closest to the average)
Additional NMR Experimental Information Details THIS STRUCTURE WAS DETERMINED USING STANDARD 2D HOMONUCLEAR TECHNIQUES
Computation: NMR Software # Classification Version Software Name Author 1 chemical shift assignment X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 2 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore