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Solution Structure of a Cis-Opened (10R)-N6-Deoxyadenosine Adduct of (9S,10R)-(9,10)-Epoxy-7,8,9,10-tetrahydrobenzo[a]pyrene in a DNA Duplex
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 1 mM Duplex: 20 mM sodium phosphate (pH 6.7); 56 mM NaCl; 50 uM sodium azide 99.96% D2O 100 mM 6.7 ambient 288 2 2D NOESY 1 mM Duplex: 20 mM sodium phosphate (pH 6.7); 56 mM NaCl; 50 uM sodium azide 90% H2O/10% D2O 100 mM 6.7 ambient 278 3 2D TOCSY 1 mM Duplex: 20 mM sodium phosphate (pH 6.7); 56 mM NaCl; 50 uM sodium azide 99.96% D2O 100 mM 6.7 ambient 288 4 2D ROESY 1 mM Duplex: 20 mM sodium phosphate (pH 6.7); 56 mM NaCl; 50 uM sodium azide 99.96% D2O 100 mM 6.7 ambient 288 5 Exchange-Only 1 mM Duplex: 20 mM sodium phosphate (pH 6.7); 56 mM NaCl; 50 uM sodium azide 99.96% D2O 100 mM 6.7 ambient 288
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian UNITYPLUS 750 2 Varian UNITYPLUS 600
NMR Ensemble Information Conformer Selection Criteria 10 structures and their minimized average were deposited Conformers Calculated Total Number 11 Conformers Submitted Total Number 11 Representative Model 1 (minimized average structure)
Computation: NMR Software # Classification Version Software Name Author 1 collection VNMR 6.1 2 data analysis VNMR 6.1 3 iterative matrix relaxation MORASS 2.51 D.G.Gorenstein, et al. UTMB 4 refinement Amber 5.0, 6.0, and 7.0 PEARLMAN,CASE,CALDWELL,ROSS,CHEATHAM,FERGUSON,SEIBEL,SINGH,WEINER,KOLLMAN