2O7W | pdb_00002o7w

Duplex DNA containing an abasic site with an opposite G (alpha anomer) in 5'-G_AC-3' (10 structure ensemble and averaged structure)

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2.7 mM duplex DNA	100% D2O	10 mM Sodium Phosphate, 0.2 mM EDTA	6.5	1 atm	298
2	2D TOCSY	2.7 mM duplex DNA	100% D2O	10 mM Sodium Phosphate, 0.2 mM EDTA	6.5	1 atm	298
3	E-COSY	2.7 mM duplex DNA	100% D2O	10 mM Sodium Phosphate, 0.2 mM EDTA	6.5	1 atm	298
4	H-P HSQC	2.7 mM duplex DNA	100% D2O	10 mM Sodium Phosphate, 0.2 mM EDTA	6.5	1 atm	298
5	H3'-selective HSQC	2.7 mM duplex DNA	100% D2O	10 mM Sodium Phosphate, 0.2 mM EDTA	6.5	1 atm	298
6	watergate-NOESY	2.7 mM duplex DNA	90% H2O/10% D2O	10 mM Sodium Phosphate, 0.2 mM EDTA	6.5	1 atm	277

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	custom-built	custom-built	591

NMR Refinement
Method	Details	Software
simulated annealing molecular dynamics matrix relaxation	the structures are based on 455 NOE-derived distance constraints, 58 dihedral angle restraints

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	11
Representative Model	11 (minimized average structure)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques and H-P heteronuclear experiments