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Structural and functional analysis of TM XI of the NHE1 isoform of thE NA+/H+ exchanger
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D DQF-COSY 150 mM DPC-1, 0.25 mM DSS-2, 2 mM TMXI-3 95% H2O/5% D2O 5 ambient 303 2 2D 1H-1H TOCSY 150 mM DPC-1, 0.25 mM DSS-2, 2 mM TMXI-3 95% H2O/5% D2O 5 ambient 303 3 2D 1H-1H NOESY 150 mM DPC-1, 0.25 mM DSS-2, 2 mM TMXI-3 95% H2O/5% D2O 5 ambient 303 4 2D 1H-13C HSQC 150 mM DPC-1, 0.25 mM DSS-2, 2 mM TMXI-3 95% H2O/5% D2O 5 ambient 303
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 800 2 Varian INOVA 500 3 Varian INOVA 600
NMR Refinement Method Details Software simulated annealing 10 rounds of simulated annealing and restraint refinement, followed by further rounds of refinment including dihedral angle restraints. X-PLOR NIH
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 50 Conformers Submitted Total Number 40 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution X-PLOR NIH 2.19 Schwieters, Kuszewski, Tjandra and Clore 2 refinement X-PLOR NIH 2.19 Schwieters, Kuszewski, Tjandra and Clore 3 collection VnmrJ Varian 4 processing NMRView Johnson, One Moon Scientific 5 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax