1DJD

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 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)293
Experiment(s):2D NOESY, DQF-COSY, TOCSY
Spectrometer Information
Manufacturer Model Field Strength
Bruker DMX 750.0
Bruker DMX 500.0
NMR Refinement
Method NOE-restrained molecular dynamics/simulated annealing
Details 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.
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 Choice Rationale
1 lowest energy
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, Thomas, Li, Kumar, Tonelli
2 refinement CORMA 5.2 Borgias, Thomas, Li, Kumar, Tonelli
3 processing FELIX 97.0 Biosym Technologies
4 structure solution X-PLOR 3.851 Brunger
5 collection XWINNMR 2.0 Bruker