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High resolution NMR solution structure of helix H1 of the human HAR1 RNA
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 1 mM [U-100% 15N] RNA (37-MER), 50 mM potassium chloride, 25 mM potassium phosphate 90% H2O/10% D2O 75 6.2 ambient 278 2 2D HNN-COSY 1 mM [U-100% 15N] RNA (37-MER), 50 mM potassium chloride, 25 mM potassium phosphate 90% H2O/10% D2O 75 6.2 ambient 278 3 2D 1H-1H NOESY 1 mM [U-100% 15N] RNA (37-MER), 50 mM potassium chloride, 25 mM potassium phosphate 90% H2O/10% D2O 75 6.2 ambient 278 4 3D 1H-15N NOESY 1 mM [U-100% 15N] RNA (37-MER), 50 mM potassium chloride, 25 mM potassium phosphate 90% H2O/10% D2O 75 6.2 ambient 278 5 2D 1H-15N CPMG-NOESY 1 mM [U-100% 15N] RNA (37-MER), 50 mM potassium chloride, 25 mM potassium phosphate 90% H2O/10% D2O 75 6.2 ambient 278 6 2D 1H-13C HSQC 1 mM [U-100% 15N] RNA (37-MER), 50 mM potassium chloride, 25 mM potassium phosphate 100% D2O 75 6.2 ambient 298 7 2D 1H-1H NOESY 1 mM [U-100% 15N] RNA (37-MER), 50 mM potassium chloride, 25 mM potassium phosphate 100% D2O 75 6.2 ambient 298 8 2D DQF-COSY 1 mM [U-100% 15N] RNA (37-MER), 50 mM potassium chloride, 25 mM potassium phosphate 100% D2O 75 6.2 ambient 298 9 2D 1H-1H TOCSY 1 mM [U-100% 15N] RNA (37-MER), 50 mM potassium chloride, 25 mM potassium phosphate 100% D2O 75 6.2 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 900 2 Bruker AVANCE 800 3 Bruker AVANCE 700 4 Bruker AVANCE 600
NMR Refinement Method Details Software simulated annealing, energy minimization ARIA
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement ARIA 1.2 Linge, O'Donoghue and Nilges 2 collection TopSpin 2.1 Bruker Biospin 3 processing TopSpin 2.1 Bruker Biospin 4 data analysis Sparky 3.113 Goddard 5 refinement CNS 1.1 Brunger, Adams, Clore, Gros, Nilges and Read