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Refined solution structure of the S. cerevisiae U6 INTRAMOLECULAR STEM LOOP (ISL) RNA USING RESIDUAL DIPOLAR COUPLINGS (RDCS)
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 0.8-1.4 MM RNA, 50 MM NaCl, pH 7.0 D2O 50 mM NaCl 7.0 ambient 303 2 2D TOCSY 0.8-1.4 MM RNA, 50 MM NaCl, pH 7.0 D2O 50 mM NaCl 7.0 ambient 303 3 2D 1H-13C HSQC 0.8-1.4 MM RNA, 50 MM NaCl, pH 7.0 D2O 50 mM NaCl 7.0 ambient 303 4 2D NOESY 0.8-1.4 MM RNA, 50 MM NaCl, pH 7.0 H2O 50 mM NaCl 7.0 ambient 285
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DMX 750 2 Bruker DMX 600 3 Bruker DMX
NMR Refinement Method Details Software XPLOR-NIH 2.0.6 structure calculation which incorporates Residual dipolar couplings CNS
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 12 Representative Model 1 (lowest energy)
Additional NMR Experimental Information Details T7 RNA transcript from synthetic DNA (sequence from Saccharomyces cerevisiae)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CNS 1.1 Brunger, A. T. et. al. 2 refinement XPLORNIH 2.0.6. Clore, G.M. et. al. 3 collection XwinNMR 2.6 Bruker Biospin 4 data analysis Sparky 3.0 Goddard, T. D. etl. al.