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Solution NMR analysis of intact KCNE2 in detergent micelles demonstrate a straight transmembrane helix
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 1.0 mM [U-15N] KCNE2 90% H2O/10% D2O 50 6.0 ambient 308 2 2D 1H-15N HSQC 1.0 mM [U-13C; U-15N] KCNE2 90% H2O/10% D2O 50 6.0 ambient 308 3 2D 1H-15N HSQC 1.0 mM [U-13C; U-15N; U-2H] KCNE2 90% H2O/10% D2O 50 6.0 ambient 308 4 3D HNCO 1.0 mM [U-13C; U-15N; U-2H] KCNE2 90% H2O/10% D2O 50 6.0 ambient 308 5 3D HNCA 1.0 mM [U-13C; U-15N; U-2H] KCNE2 90% H2O/10% D2O 50 6.0 ambient 308 6 3D HN(CO)CA 1.0 mM [U-13C; U-15N; U-2H] KCNE2 90% H2O/10% D2O 50 6.0 ambient 308 7 3D HNCACB 1.0 mM [U-13C; U-15N; U-2H] KCNE2 90% H2O/10% D2O 50 6.0 ambient 308 8 3D HN(COCA)CB 1.0 mM [U-13C; U-15N; U-2H] KCNE2 90% H2O/10% D2O 50 6.0 ambient 308 9 3D HBHA(CO)NH 1.0 mM [U-13C; U-15N] KCNE2 90% H2O/10% D2O 50 6.0 ambient 308 10 3D 1H-15N NOESY 1.0 mM [U-15N] KCNE2 90% H2O/10% D2O 50 6.0 ambient 308
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DMX 600 2 Bruker DMX 800
NMR Refinement Method Details Software simulated annealing NMRPipe
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 10 Representative Model 1 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 data analysis NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 2 chemical shift assignment NMRView Johnson, One Moon Scientific 3 structure solution X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 4 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore