7D0Y

NMR solution structures of the DNA minidumbbell formed by two CmCTG repeats at pH 5

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.2 mM NA DNA, 0.02 mM NA DSS, 10 mM NA NaCl	99.96% D2O	10 mM	5	1 atm	273	Bruker AVANCE 700
5	2D 1H-1H COSY	0.2 mM NA DNA, 0.02 mM NA DSS, 10 mM NA NaCl	99.96% D2O	10 mM	5	1 atm	273	Bruker AVANCE 500
6	2D 1H-1H TOCSY	0.2 mM NA DNA, 0.02 mM NA DSS, 10 mM NA NaCl	99.96% D2O	10 mM	5	1 atm	273	Bruker AVANCE 500

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

NMR Refinement
Method	Details	Software
restrained molecular dynamics		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest 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	chemical shift assignment	TopSpin		Bruker Biospin
2	structure calculation	Amber		Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman