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Solution NMR structure of the lower part of the R/G stem loop RNA
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 1.5 mM RNA (42-MER)-1 90% H2O/10% D2O 20 6.2 AMBIENT 278 2 3D 1H-13C NOESY 1.5 mM RNA (42-MER)-2 100% D2O 20 6.2 AMBIENT 278 3 2D 1H-13C HSQC 1.5 mM RNA (42-MER)-2 100% D2O 20 6.2 AMBIENT 278 4 2D 1H-1H TOCSY 1.5 mM RNA (42-MER)-1 90% H2O/10% D2O 20 6.2 AMBIENT 278
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX, AVANCE 500
NMR Refinement Method Details Software TORSION ANGLE DYNAMICS, SIMULATED ANNEALING Amber
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement Amber CASE, D.A. ET AL. 2 structure solution TopSpin 2.0 Bruker Biospin 3 structure solution Sparky Goddard 4 structure solution CYANA Guntert, Mumenthaler and Wuthrich