1DL4

THE SOLUTION STRUCTURE OF A BAY-REGION 1S-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 Contents1.7 MM OLIGODEOXYNUCLEOTIDE; 10 MM PHOSPHATE BUFFER; 0.05 MM EDTA; 0.1 M NACL
Solventn/a
Ionic Strength0.1 M NACL
pH7.0
Pressure1
Temperature (K)278
Experiment(s):2D NOESY
Sample Contents1.7 MM OLIGODEOXYNUCLEOTIDE; 10 MM PHOSPHATE BUFFER; 0.05 MM EDTA; 0.1 M NACL
Solventn/a
Ionic Strength0.1 M NACL
pH7.0
Pressure1
Temperature (K)283
Experiment(s):2D NOESY, DQF-COSY
Sample Contents1.7 MM OLIGODEOXYNUCLEOTIDE; 10 MM PHOSPHATE BUFFER; 0.05 MM EDTA; 0.1 M NACL
Solventn/a
Ionic Strength0.1 M NACL
pH7.0
Pressure1
Temperature (K)298
Experiment(s):2D NOESY, 2D ROESY
Spectrometer Information
Manufacturer Model Field Strength
BRUKER DRX 500.0
BRUKER DRX 750.0
NMR Refinement
Method NOE-RESTRAINTED MOLECULAR DYNAMICS /SIMULATED ANNEALING
Details THE STRUCTURE IS BASED ON A TOTAL OF 477 NOE-DERIVED DISTANCE CONSTRAINTS, 80 EMPIRICAL SUGAR PUCKER RESTRAINTS, 32 BACKBONE ANGLE DIHEDRAL RESTRAINTS, AND 18 EMPIRICAL PLANARITY RESTRAINTS.
NMR Ensemble Information
Conformer Selection Criteria STRUCTURES WITH THE LOWEST ENERGY
Conformers Calculated Total Number 7
Conformers Submitted Total Number 1
Representative Model Choice Rationale
1 lowest energy
Additional NMR Experimental Information
1 THIS STRUCTURE WAS DETERMINED USING STANDARD 2D HOMONUCLEAR TECHNIQUES
Computation: NMR Software
# Classification Software Name Author
1 structure solution X-PLOR 3.851 A.BRUNGER
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 iterative matrix relaxation MARDIGRAS 3.0 BORGIAS, B.A., THOMAS, P.D., LI, H., KUMAR, A., AND TONELLI, M.