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Solution NMR structure of Tetrahymena telomerase RNA pseudoknot
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D imino NOESY 10 mM sodium phosphate, 50 mM potassium chloride, 1 mM RNA (31-MER) 90% H2O/10% D2O 50 mM 6.3 ambient 283 Bruker AVANCE 800 2 2D D2O NOESY 10 mM sodium phosphate, 50 mM potassium chloride, 1 mM RNA (31-MER) 100% D2O 50 mM 6.3 ambient 283 Bruker AVANCE 800 3 2D TOCSY 10 mM sodium phosphate, 50 mM potassium chloride, 1 mM RNA (31-MER) 100% D2O 50 mM 6.3 ambient 283 Bruker AVANCE 800 4 2D HCCH-COSY, 3D HCCH-TOCSY, 2D filtered/edited NOESY, 2D 1H-13C HSQC, 2D 1H-15N HSQC, jNN-COSY 10 mM sodium phosphate, 50 mM potassium chloride, 1 mM [U-13C; U-15N]-Gua, Cyt RNA (31-MER) 90% H2O/10% D2O 50 mM 6.3 ambient 283 Bruker AVANCE 800 5 2D HCCH-COSY, 3D HCCH-TOCSY, 2D filtered/edited NOESY, 2D 1H-13C HSQC, 2D 1H-15N HSQC, jNN-COSY 10 mM sodium phosphate, 50 mM potassium chloride, 1 mM [U-13C; U-15N]-Ade,Ura RNA (31-MER) 90% H2O/10% D2O 50 mM 6.3 ambient 283 Bruker AVANCE 800 6 2D-HSQC-TROSY 10 mM sodium phosphate, 50 mM potassium chloride, 1 mM [U-13C; U-15N]-Ade, Ura, Cyt, Gua RNA (31-MER) 90% H2O/10% D2O 50 mM 6.3 ambient 283 Bruker AVANCE 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 800 2 Bruker DRX 600 3 Bruker DRX 500
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement X-PLOR NIH 2.42 Schwieters, Kuszewski, Tjandra and Clore 2 structure calculation X-PLOR NIH 2.42 Schwieters, Kuszewski, Tjandra and Clore 3 chemical shift assignment Sparky Goddard 4 peak picking Sparky Goddard