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NMR STRUCTURE OF SRP RNA DOMAIN IV
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 0.25 - 1.2 mM RNA
10 mM potassium phoshpate
10 mM magnesium chloride
pH 6.5 D2O 6.5 ambient 288 2 3D_13C-separated_NOESY 0.25 - 1.2 mM RNA
10 mM potassium phoshpate
10 mM magnesium chloride
pH 6.5 D2O 6.5 ambient 288 3 DQF-COSY 0.25 - 1.2 mM RNA
10 mM potassium phoshpate
10 mM magnesium chloride
pH 6.5 D2O 6.5 ambient 288 4 TOCSY 0.25 - 1.2 mM RNA
10 mM potassium phoshpate
10 mM magnesium chloride
pH 6.5 D2O 6.5 ambient 288 5 3D HCCH-TOCSY 0.25 - 1.2 mM RNA
10 mM potassium phoshpate
10 mM magnesium chloride
pH 6.5 D2O 6.5 ambient 288 6 3D HCCH-COSY 0.25 - 1.2 mM RNA
10 mM potassium phoshpate
10 mM magnesium chloride
pH 6.5 D2O 6.5 ambient 288
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian UNITYPLUS 600
NMR Refinement Method Details Software TORSION ANGLE DYNAMICS RESTRAINED MOLECULAR DYNAMICS COMPLETE RELAXATION
MATRIX ANALYSIS 16.4 DISTANCE RESTRAINTS/RESIDUE Sparky
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations in the crucial areas ot the molecule Conformers Calculated Total Number 50 Conformers Submitted Total Number 10
Additional NMR Experimental Information Details G- AND A-SINGLE NUCLEOTIDE ISOTOPE LABELED SAMPLES WERE USED BESIDES A
UNIFORMLY LABELED RNA
Computation: NMR Software # Classification Version Software Name Author 1 structure solution Sparky 92 D.Kneller, T.Goddard 2 structure solution MARDIGRAS 92 He Liu, B.Borgias, M.Tonelli 3 refinement DYANA 1.4 P. Guentert 4 structure solution Amber 4.1 D.A. Pearlman et al. 5 structure solution Curves 3.0 R. Lavery