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NMR Solution Structures of +3 (5' staggered) Bistranded Abasic Site Lesions in DNA
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY unknown mM DNA (5'-D(*CP*AP*GP*CP*GP*(3DR)P*GP*TP*AP*TP*AP*AP*GP*C)-3'), unknown mM DNA (5'-D(*GP*CP*TP*TP*AP*(3DR)P*AP*CP*AP*CP*GP*CP*TP*G)-3') 100% D2O 6.8 ambient 298 2 2D 1H-1H COSY unknown mM DNA (5'-D(*CP*AP*GP*CP*GP*(3DR)P*GP*TP*AP*TP*AP*AP*GP*C)-3'), unknown mM DNA (5'-D(*GP*CP*TP*TP*AP*(3DR)P*AP*CP*AP*CP*GP*CP*TP*G)-3') 100% D2O 6.8 ambient 298 3 2D DQF-COSY unknown mM DNA (5'-D(*CP*AP*GP*CP*GP*(3DR)P*GP*TP*AP*TP*AP*AP*GP*C)-3'), unknown mM DNA (5'-D(*GP*CP*TP*TP*AP*(3DR)P*AP*CP*AP*CP*GP*CP*TP*G)-3') 100% D2O 6.8 ambient 298 4 2D 1H-1H TOCSY unknown mM DNA (5'-D(*CP*AP*GP*CP*GP*(3DR)P*GP*TP*AP*TP*AP*AP*GP*C)-3'), unknown mM DNA (5'-D(*GP*CP*TP*TP*AP*(3DR)P*AP*CP*AP*CP*GP*CP*TP*G)-3') 100% D2O 6.8 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 600
NMR Refinement Method Details Software molecular dynamics, DGSA-distance geometry simulated annealing Authors indicate chirality error at DT8 in model 1 due to flexibility of the DNA duplex in solution X-PLOR
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 20 Conformers Submitted Total Number 4 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 geometry optimization X-PLOR 3.1 Brunger 2 refinement X-PLOR 3.1 Brunger