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NMR reveals absence of hydrogen bonding in adjacent UU and AG mismatches in an isolated internal loop from ribosomal RNA.
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 2.5 mM RNA 90% H2O/10% D2O 80 6 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 500 2 Varian INOVA 600
NMR Refinement Method Details Software simulated annealing, molecular dynamics CNS
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy and least distance and angle violations Conformers Calculated Total Number 20 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CNS Brunger, Adams, Clore, Gros, Nilges and Read 2 processing NMRDraw Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 3 chemical shift assignment Sparky Goddard 4 data analysis Sparky Goddard 5 peak picking Sparky Goddard 6 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 7 refinement CNS Brunger, Adams, Clore, Gros, Nilges and Read