1S37

Accomodation of Mispair-Aligned N3T-Ethyl-N3T DNA Interstrand Crosslink

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	100 mM NaCl, pH 7.4 adjusted with phosphate buffer	H2O, D2O	0.1 mM NaCl	7.4	normal	273
2	2D TOCSY	100 mM NaCl, pH 7.4 adjusted with phosphate buffer	H2O, D2O	0.1 mM NaCl	7.4	normal	273
3	DQF-COSY	100 mM NaCl, pH 7.4 adjusted with phosphate buffer	H2O, D2O	0.1 mM NaCl	7.4	normal	273

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	800
2	Varian	INOVA	600

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, molecular dynamics		Felix

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	8
Conformers Submitted Total Number	1
Representative Model	8 (minimized average structure)

Additional NMR Experimental Information
Details	Structure Determined using standard NMR experiments.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	Felix	2000
2	refinement	X-PLOR	3.2	A.T. Brunger