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Solution Structure of R-styrene Adduct in the Ras61 Sequence
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 Noesy 130 OD260 of double stranded oligodeoxynucleotide are dissolved in 0.5 ml nmr buffer containing 99.996% D2O. The buffer is 10mM sodium phosphate pH 6.9 containing 100mM NaCl and 0.05mM Na2EDTA. 10mM phosphate buffer 6.9 1 atm 293 2 DQF-COSY 130 OD260 of double stranded oligodeoxynucleotide are dissolved in 0.5 ml nmr buffer containing 99.996% D2O. The buffer is 10mM sodium phosphate pH 6.9 containing 100mM NaCl and 0.05mM Na2EDTA. 10mM phosphate buffer 6.9 1 atm 293
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500
NMR Refinement Method Details Software simulated annealing,
molecular dynamics,
matrix relaxation Felix
NMR Ensemble Information Conformer Selection Criteria back calculated data agree with experimental NOESY spectrum Conformers Calculated Total Number 50 Conformers Submitted Total Number 1 Representative Model 1 (minimized average structure)
Additional NMR Experimental Information Details NOESY at 100, 150 and 200 ms mixing time
Computation: NMR Software # Classification Version Software Name Author 1 collection Felix 97 Molecular simulations 2 refinement MARDIGRAS 3.0 James, TL 3 iterative matrix relaxation X-PLOR 3.85 Brunger 4 data analysis CORMA 4.0 James