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SOLUTION STRUCTURE OF 2-(PYRIDO[1,2-E]PURIN-4-YL)AMINO-ETHANOL INTERCALATED IN THE DNA DUPLEX D(CGATCG)2
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 2 mM 2-(pyrido[1,2-e]purin-4-yl)amino-ethanol, 2mM d(CGATCG)2 160 mM KCl, 0.15 mM EDTA, 20 mM sodium phosphate 90% H2O/10% D2O 7 ambient 7 2 2D NOESY 2 mM 2-(pyrido[1,2-e]purin-4-yl)amino-ethanol, 2mM d(CGATCG)2 160 mM KCl, 0.15 mM EDTA, 20 mM sodium phosphate 100% D2O 7 ambient 7 3 DQF-COSY 2 mM 2-(pyrido[1,2-e]purin-4-yl)amino-ethanol, 2mM d(CGATCG)2 160 mM KCl, 0.15 mM EDTA, 20 mM sodium phosphate 90% H2O/10% D2O 4 TOCSY 2 mM 2-(pyrido[1,2-e]purin-4-yl)amino-ethanol, 2mM d(CGATCG)2 160 mM KCl, 0.15 mM EDTA, 20 mM sodium phosphate 90% H2O/10% D2O 5 1H-1H CT COSY 2 mM 2-(pyrido[1,2-e]purin-4-yl)amino-ethanol, 2mM d(CGATCG)2 160 mM KCl, 0.15 mM EDTA, 20 mM sodium phosphate 90% H2O/10% D2O
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 800 2 Bruker AMX 600 3 Bruker AMX 400
NMR Refinement Method Details Software simulated annealing calculation from randomized cartesian coordinates VNMR
NMR Ensemble Information Conformer Selection Criteria The submitted conformer models are the 22 structures with the lowest experimental energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 22 Representative Model 12 (closest to the average)
Additional NMR Experimental Information Details This structure was determined using standard 2D homonuclear techniques.
Computation: NMR Software # Classification Version Software Name Author 1 collection VNMR 6.A 2 processing Felix 3 data analysis Insight 97 4 structure solution Discover 5 refinement Discover