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Influenza B M2 Proton Channel in the Closed State - SSNMR Structure at pH 7.5
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D CORD 0.26 mg/uL [U-13C; U-15N] Influenza B M2 Proton Channel, 0.48 mg/uL POPE aqueous buffer 20 mM 7.5 1 atm 285 Bruker AVANCE II 800 2 2D NC TEDOR 0.26 mg/uL [U-13C; U-15N] Influenza B M2 Proton Channel, 0.48 mg/uL POPE aqueous buffer 20 mM 7.5 1 atm 285 Bruker AVANCE II 800 3 3D NCCX TEDOR-CORD 0.26 mg/uL [U-13C; U-15N] Influenza B M2 Proton Channel, 0.48 mg/uL POPE aqueous buffer 20 mM 7.5 1 atm 285 Bruker AVANCE II 800 4 3D CCC CORD-CORD 0.26 mg/uL [U-13C; U-15N] Influenza B M2 Proton Channel, 0.48 mg/uL POPE aqueous buffer 20 mM 7.5 1 atm 285 Bruker AVANCE II 800 5 2D NC NH-DIPSHIFT 0.26 mg/uL [U-13C; U-15N] Influenza B M2 Proton Channel, 0.48 mg/uL POPE aqueous buffer 20 mM 7.5 1 atm 285 Bruker AVANCE II 800 6 2D CC Water-edited 0.26 mg/uL [U-13C; U-15N] Influenza B M2 Proton Channel, 0.48 mg/uL POPE aqueous buffer 20 mM 7.5 1 atm 285 Bruker AVANCE II 800 7 1D 13C-19F REDOR 0.13 mg/uL [U-13C; U-15N] and 4-19F-F5, 4-19F-F20 Influenza B M2 Proton Channel, 0.39 mg/uL POPE aqueous buffer 20 mM 7.5 1 atm 285 Bruker AVANCE III 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE II 800 2 Bruker AVANCE III 600
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 120 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement X-PLOR NIH 2.47 Schwieters, Kuszewski, Tjandra and Clore 2 structure calculation X-PLOR NIH 2.47 Schwieters, Kuszewski, Tjandra and Clore 3 chemical shift assignment Sparky 3.1 Goddard 4 peak picking Sparky 3.1 Goddard 5 processing TopSpin 2.1-3.6 Bruker Biospin