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AVERAGE SOLUTION STRUCTURE OF D(TTGGCCAA)2 BOUND TO CHROMOMYCIN-A3 AND COBALT
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 2mM DNA-drug complex, 25 degrees C, in buffer (100mM NaCl, 10mM Na borate), final PH 6. 90% H2O/10% D2O 110mM 6 1 atm 298 2 13C-1H HMQC 2mM DNA-drug complex, 25 degrees C, in buffer (100mM NaCl, 10mM Na borate), final PH 6. 90% H2O/10% D2O 110mM 6 1 atm 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 GE OMEGA 500
NMR Refinement Method Details Software simulated annealing molecular dynamics, isolated spin-pair approximation for NOE's; pseudocontact shift refinement NMRPipe
NMR Ensemble Information Conformer Selection Criteria average structure Conformers Calculated Total Number 1 Conformers Submitted Total Number 1 Representative Model 1 (minimized average structure)
Additional NMR Experimental Information Details This structure was determined using standard 2D homonuclear techniques as well as 2D 13C-1H heteronuclear correlation
Computation: NMR Software # Classification Version Software Name Author 1 processing NMRPipe 1.7 DeLaglio and Bax 2 data analysis Sparky 3.0 Kneller and Goddard 3 refinement X-PLOR 3.0, 3.851 Brunger (modified Gochin and Tu) 4 data analysis Felix 2.1 Biosym