1ONM

Solution Structure of a DNA duplex containing A:G mismatch. d(GCTTCAGTCGT):d(ACGACGGAAGC)

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1 mM DNA duplex; 25 mM phosphate, 50 mM NaCl, 1 mM EDTA;	90% H2O/10% D2O	25 mM Phosphate,50 mM NaCl	6.8	ambient	288
2	2D NOESY	1 mM DNA duplex; 25 mM phosphate, 50 mM NaCl, 1 mM EDTA;	99.96% D2O	25 mM Phosphate,50 mM NaCl	6.8	ambient	283

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	600
2	Varian	UNITYPLUS	750

NMR Refinement
Method	Details	Software
Total Relaxation Matrix and Molecular Dynamics were used.	624 total restraints were used: 500 derived from 2D NOE data and 124 dihedral angle restraints.	VNMR

NMR Ensemble Information
Conformer Selection Criteria	all calculated structures submitted
Conformers Calculated Total Number	10
Conformers Submitted Total Number	10
Representative Model	1 (all equally representative)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	VNMR	6.1	Varian, Inc.
2	iterative matrix relaxation	MORASS	2.51	Gorenstein, D.G. et al.
3	refinement	Amber	5	Case, D.A. et al.