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THE SOLUTION STRUCTURE OF A NON-BAY REGION 11R-BENZ[A]ANTHRACENE OXIDE ADDUCT AT THE N6 POSITION OF ADENINE OF AN OLIGODEOXYNUCLEOTIDE CONTAINING THE HUMAN N-RAS CODON 61 SEQUENCE
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
2D NOESY
1.8 mM oligodeoxynucleotide; 10 mM phosphate buffer; 0.05 mM EDTA; 0.1 M NaCl
90% H2O/10% D2O
0.1 M NaCl
7.0
1 atm
278
2
2D NOESY
1.8 mM oligodeoxynucleotide; 10 mM phosphate buffer; 0.05 mM EDTA; 0.1 M NaCl
100% D2O
0.1 M NaCl
7.0
1 atm
293
3
DQF-COSY
1.8 mM oligodeoxynucleotide; 10 mM phosphate buffer; 0.05 mM EDTA; 0.1 M NaCl
100% D2O
0.1 M NaCl
7.0
1 atm
293
4
TOCSY
1.8 mM oligodeoxynucleotide; 10 mM phosphate buffer; 0.05 mM EDTA; 0.1 M NaCl
The structure is based on a total of 475 NOE derived distance constraints, 55 empirical sugar pucker restraints, 35 empirical backbone angle restraints, and 18 empirical planarity restraints.
XwinNMR
NMR Ensemble Information
Conformer Selection Criteria
back calculated data agree with experimental NOESY spectrum
Conformers Calculated Total Number
1
Conformers Submitted Total Number
1
Representative Model
12 (lowest energy)
Additional NMR Experimental Information
Details
This structure was determined using 2D homonuclear techniques