1HWV

MOLECULAR TOPOLOGY OF POLYCYCLIC AROMATIC CARCINOGENS DETERMINES DNA ADDUCT CONFORMATION: A LINK TO TUMORIGENIC ACTIVITY

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	trans-anti-BPh (carcinogen) covalently bound to 11mer DNA duplex	aqueous solution with 100 mM NaCl	0.10	6.5	1 atm	277
2	P-COSY	trans-anti-BPh (carcinogen) covalently bound to 11mer DNA duplex	aqueous solution with 100 mM NaCl	0.10	6.5	1 atm	277
3	1H-31P HSQC	trans-anti-BPh (carcinogen) covalently bound to 11mer DNA duplex	aqueous solution with 100 mM NaCl	0.10	6.5	1 atm	277

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	500
3	Varian	INOVA	400

NMR Refinement
Method	Details	Software
torsion angle dynamics, simulated annealing, relaxation matrix refinements, energe minimization		X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	9
Conformers Submitted Total Number	7
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	D2O experiments were run at 18 degree C, H2O experiments were run at 4 degree C

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	3.1	Brunger, A. T.
2	collection	VNMR	6.1	Varian Associates Inc.
3	data analysis	Felix	felix2000	MSI

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.