6M6J

NMR solution structure of a DNA minidumbbell containing an abasic bulge between two CTTG repeats

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.9 mM NA DNA, 0.02 mM NA DSS, 10 mM NA NaPi	99.96% D2O	10 mM	7.0	1 atm	273	Bruker AVANCE III 700
2	2D DQF-COSY	0.9 mM NA DNA, 0.02 mM NA DSS, 10 mM NA NaPi	99.96% D2O	10 mM	7.0	1 atm	273	Bruker AVANCE III 700
3	2D 1H-1H TOCSY	0.9 mM NA DNA, 0.02 mM NA DSS, 10 mM NA NaPi	99.96% D2O	10 mM	7.0	1 atm	273	Bruker AVANCE 500

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	700
2	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
restrained molecular dynamics		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest total energy
Conformers Calculated Total Number	500
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure calculation	Amber		David A. Case Thomas E. Cheatham III Tom Darden Holger Gohlke Ray Luo Kenneth M. Merz Jr. Alexey Onufriev Carlos Simmerling Bing Wang Robert J. Woods
2	chemical shift assignment	TopSpin		Bruker