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The 912-888 alternate conformation for helix 27 of E.coli 16S rRNA
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 0.8 - 1.6 mM [U-99% 13C; U-99% 15N] RNA (31-MER) 90% H2O/10% D2O 0.05 6.4 ambient 293 2 2D DQF-COSY 0.8 - 1.6 mM [U-99% 13C; U-99% 15N] RNA (31-MER) 90% H2O/10% D2O 0.05 6.4 ambient 293 3 2D 1H-15N HSQC 0.8 - 1.6 mM [U-99% 13C; U-99% 15N] RNA (31-MER) 90% H2O/10% D2O 0.05 6.4 ambient 293 4 2D 1H-13C HSQC 0.8 - 1.6 mM [U-99% 13C; U-99% 15N] RNA (31-MER) 90% H2O/10% D2O 0.05 6.4 ambient 293 5 2D 1H-1H NOESY 0.8 - 1.6 mM [U-99% 13C; U-99% 15N] RNA (31-MER) 90% H2O/10% D2O 0.05 6.4 ambient 293
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 800 2 Bruker AVANCE 600
NMR Refinement Method Details Software torsion angle dynamics NMRPipe
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 50 Conformers Submitted Total Number 13 Representative Model 1 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 2 refinement XPLOR-NIH Schwieters, Kuszewski, Tjandra and Clore