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The NMR Structures of (rGCUGAGGCU)2 and (rGCGGAUGCU)2
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 1 mM Duplex, 80 mM NaCl, 0.5 mM Na2EDTA, 10 mM sodium phosphate, pH 5.5, 90%H2O, 10%D2O 90% H2O/10% D2O 5.18 278 2 DQF-COSY 1 mM Duplex, 80 mM NaCl, 0.5 mM Na2EDTA, 10 mM sodium phosphate, pH 5.5, 90%H2O, 10%D2O 90% H2O/10% D2O 5.18 278
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 600
NMR Refinement Method Details Software simulated annealing and restrained molecular dynamics structures validated by chemical back calculation using the program Nuchemics CNS
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations,structures with the lowest energy Conformers Calculated Total Number 30 Conformers Submitted Total Number 15 Representative Model 1 (fewest violations,lowest energy)
Additional NMR Experimental Information Details natural abundance 13C-1H and 15N-1H HSQC
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CNS 1.1 Brunger et al. 2 processing NMRPipe Delaglio et al. 3 data analysis Sparky 3 Goddard et al. 4 refinement CNS 1.1 Brunger et al.