2HOU

Structure ensembles of duplex DNA containing a 4'-oxidized abasic site.

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2.0 mM duplex DNA containing a 4'-oxidized abasic site, 10 mM sodium phosphate, 0.2 EDTA mM	90% H2O/10% D2O	10 mM sodium phosphate mM	6.5	1 atm	298
2	2D TOCSY	2.0 mM duplex DNA containing a 4'-oxidized abasic site, 10 mM sodium phosphate, 0.2 EDTA mM	90% H2O/10% D2O	10 mM sodium phosphate mM	6.5	1 atm	298
3	E-COSY	2.0 mM duplex DNA containing a 4'-oxidized abasic site, 10 mM sodium phosphate, 0.2 EDTA mM	90% H2O/10% D2O	10 mM sodium phosphate mM	6.5	1 atm	298
4	PE-COSY	2.0 mM duplex DNA containing a 4'-oxidized abasic site, 10 mM sodium phosphate, 0.2 EDTA mM	90% H2O/10% D2O	10 mM sodium phosphate mM	6.5	1 atm	298
5	GE-HSQC	2.0 mM duplex DNA containing a 4'-oxidized abasic site, 10 mM sodium phosphate, 0.2 EDTA mM	90% H2O/10% D2O	10 mM sodium phosphate mM	6.5	1 atm	298
6	PH-COSY	2.0 mM duplex DNA containing a 4'-oxidized abasic site, 10 mM sodium phosphate, 0.2 EDTA mM	90% H2O/10% D2O	10 mM sodium phosphate mM	6.5	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Home-built	Home-built	750
2	Home-built	Home-built	591

NMR Refinement
Method	Details	Software
simulated annealing	the structures are based on 410 NOE-derived distance constraints and 43 dihedral angle restraints,8 distance restraints from hydrogen bonds.	Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	30
Conformers Submitted Total Number	10
Representative Model	1 (minimized average structure)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Amber	8.0	D.A. Case et al
2	data analysis	Felix	2001
3	data analysis	MARDIGRAS