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Structure of DNA sequence d-TGATCA by two-dimensional nuclear magnetic resonance spec and restrained molecular dynamics
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 3.68mM duplex concentration; 20mM phosphate buffer with 15mM NaCl D2O 20mM Phosphate buffer; 15mM NaCl 7.0 AMBIENT 295 2 DQF-COSY 4.57mM duplex concentration; 20mM phosphate buffer with 15mM NaCl 90% H2O/10% D2O 20mM Phosphate buffer; 15mM NaCl 7.0 AMBIENT 295
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AM 500
NMR Refinement Method Details Software Simulated annealing, molecular dynamics The structure is based on total 95 intra residue and 26 inter residue NOESY restraints and 12 torsinal angle restraints. Discover
NMR Ensemble Information Conformer Selection Criteria structures with acceptable covalent geometry Conformers Calculated Total Number 25 Conformers Submitted Total Number 10 Representative Model 1 (fewest violations)
Additional NMR Experimental Information Details For imino protons 1D water spectra Vs temperature was also done
Computation: NMR Software # Classification Version Software Name Author 1 refinement Discover 97