1K29

Solution Structure of a DNA Duplex Containing M1G Opposite a 2 Base Pair Deletion

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	NOESY	2mM DNA, 10mM phosphate buffer, 0.1M NaCl, 50 uM EDTA , pH 7	99.96% D2o	0.1M NaCl	7	ambient	293
2	E-COSY	2mM DNA, 10mM phosphate buffer, 0.1M NaCl, 50 uM EDTA , pH 7	99.96% D2o	0.1M NaCl	7	ambient	293
3	P-COSY	2mM DNA, 10mM phosphate buffer, 0.1M NaCl, 50 uM EDTA , pH 7	99.96% D2o	0.1M NaCl	7	ambient	303
4	NOESY	2mM DNA, 10mM phosphate buffer, 0.1M NaCl, 50 uM EDTA , pH 7	90% H2O/10% D2O	0.1M NaCl	7	ambient	278

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
matrix relaxation, simulated annealing, distance restraints, dihedral angle restraints		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	the submitted structure is an average of 10 different structures that were back calculated and the data agreed with experimental NOESY spectrum
Conformers Calculated Total Number	20
Conformers Submitted Total Number	1
Representative Model	1 (minimized average structure)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homo- and hetero- nuclear techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker Instrument
2	data analysis	Felix	2000	accelrys
3	iterative matrix relaxation	MARDIGRAS	3.0	T. L. James
4	structure solution	X-PLOR	3.85	Brunger
5	refinement	X-PLOR	3.85	Brunger

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.