1S9N | pdb_00001s9n

Solution structure of the nitrous acid (G)-(G) cross-linked DNA dodecamer duplex GCATCC(G)GATGC

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1mM DNA, 10mM Phosphate pH 7.0, 200mM NaCl, 1mM EDTA		200mM	7.0	1 atm	298
2	DQF-COSY	1mM DNA, 10mM Phosphate pH 7.0, 200mM NaCl, 1mM EDTA		200mM	7.0	1 atm	298
3	H-P HETCOR	1mM DNA, 10mM Phosphate pH 7.0, 200mM NaCl, 1mM EDTA		200mM	7.0	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	750
2	Bruker	DRX	500

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, molecular dynamics, relaxation matrix	The structures are based on a total of 715 distance restraints (560 are NOE-derived, 52 based on hydrogen bonding, 103 repulsive) and 178 dihedral angle restraints (106 backbone and 72 chiral).	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	back calculated data agree with experimental NOESY spectrum
Conformers Calculated Total Number	40
Conformers Submitted Total Number	26
Representative Model	1 (n/a)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	1	Bruker
2	processing	Felix	1	Hare
3	data analysis	Felix	1	Hare
4	structure solution	DGII	1	Biosym
5	structure solution	Discover	1	Biosym
6	iterative matrix relaxation	BIRDER	1	Zu
7	refinement	Discover	1	Biosym