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Solution Structure of Duplex DNA Containing the Mutagenic Lesion: 1,N2-Etheno-2'-deoxyguanine
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine 100% D2O 50mM NaCl 6.8 ambient atm 300 2 2D 1H-1H TOCSY 4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine 100% D2O 50mM NaCl 6.8 ambient atm 300 3 2D DQF-COSY 4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine 100% D2O 50mM NaCl 6.8 ambient atm 300 4 2D 1H-1H COSY 4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine 100% D2O 50mM NaCl 6.8 ambient atm 300 5 2D 1H-1H NOESY H2O 4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine 90% H2O/10% D2O 50mM NaCl 6.8 ambient mbar 278 6 1H-32P PHCorr 4.2mM duplex DNA, 1,N2-etheno-2 -deoxyguanosine 100% D2O 50mM NaCl 6.8 ambient atm 300
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 500 2 Varian INOVA 600
NMR Refinement Method Details Software molecular dynamics Restrained MD simulation X-PLOR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 12 Conformers Submitted Total Number 9 Representative Model 1 (minimized average structure)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution X-PLOR 3.85 Brunger 2 processing Felix Accelrys Software Inc. 3 chemical shift assignment Felix Accelrys Software Inc. 4 collection VNMR 5.2 Varian 5 refinement X-PLOR 3.85 Brunger