1I7V

THE SOLUTION STRUCTURE OF A BAY REGION 1R-BENZ[A]ANTHRACENE OXIDE ADDUCT AT THE N6 POSITION OF ADENINE OF AN OLIGODEOXYNUCLEOTIDE CONTAINING THE HUMAN N-RAS CODON 61 SEQUENCE


SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents1.8 mM oligodeoxynucleotide, 10 mM phosphate buffer, 0.05 mM EDTA, 0.1 M NaCl
Solvent90% H2O, 10% D2O
Ionic Strength0.1 M NaCl
pH7.0
Pressure1 atm
Temperature (K)278
Experiment(s):2D NOESY
Sample Contents1.8 mM oligodeoxynucleotide, 10 mM phosphate buffer, 0.05 mM EDTA, 0.1 M NaCl
Solvent100% D2O
Ionic Strength0.1 M NaCl
pH7.0
Pressure1 atm
Temperature (K)288
Experiment(s):2D NOESY, DQF-COSY, TOCSY
Spectrometer Information
Manufacturer Model Field Strength
Bruker DMX 500.0
Bruker DMX 750.0
NMR Refinement
Method NOE-restrained molecular dynamics/simulated annealing
Details The structure was based on a total of 485 NOE derived distance constraints.
NMR Ensemble Information
Conformer Selection Criteria back calculated data agree with experimental NOESY spectrum
Conformers Calculated Total Number 1
Conformers Submitted Total Number 1
Additional NMR Experimental Information
1 This structure was determined using 2D homonuclear techniques
Computation: NMR Software
# Classification Software Name Author
1 iterative matrix relaxation MARDIGRAS 3.0 Borgias, B.A., Thomas, P.D., Li, H., Kumar, A., and Tonelli, M.
2 refinement CORMA 5.2 Borgias, B.A., Thomas, P.D., Li, H., Kumar, A., and Tonelli, M.
3 collection XWINNMR 2.0 Bruker
4 processing FELIX 97.0 Biosym Technologies
5 structure solution X-PLOR 3.851 A. Brunger