1I5V

SOLUTION STRUCTURE OF 2-(PYRIDO[1,2-E]PURIN-4-YL)AMINO-ETHANOL INTERCALATED IN THE DNA DUPLEX D(CGATCG)2

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2 mM 2-(pyrido[1,2-e]purin-4-yl)amino-ethanol, 2mM d(CGATCG)2 160 mM KCl, 0.15 mM EDTA, 20 mM sodium phosphate	90% H2O/10% D2O		7	ambient	7
2	2D NOESY	2 mM 2-(pyrido[1,2-e]purin-4-yl)amino-ethanol, 2mM d(CGATCG)2 160 mM KCl, 0.15 mM EDTA, 20 mM sodium phosphate	100% D2O		7	ambient	7
3	DQF-COSY	2 mM 2-(pyrido[1,2-e]purin-4-yl)amino-ethanol, 2mM d(CGATCG)2 160 mM KCl, 0.15 mM EDTA, 20 mM sodium phosphate	90% H2O/10% D2O
4	TOCSY	2 mM 2-(pyrido[1,2-e]purin-4-yl)amino-ethanol, 2mM d(CGATCG)2 160 mM KCl, 0.15 mM EDTA, 20 mM sodium phosphate	90% H2O/10% D2O
5	1H-1H CT COSY	2 mM 2-(pyrido[1,2-e]purin-4-yl)amino-ethanol, 2mM d(CGATCG)2 160 mM KCl, 0.15 mM EDTA, 20 mM sodium phosphate	90% H2O/10% D2O

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	800
2	Bruker	AMX	600
3	Bruker	AMX	400

NMR Refinement
Method	Details	Software
simulated annealing	calculation from randomized cartesian coordinates	VNMR

NMR Ensemble Information
Conformer Selection Criteria	The submitted conformer models are the 22 structures with the lowest experimental energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	22
Representative Model	12 (closest to the average)

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.A
2	processing	Felix
3	data analysis	Insight	97
4	structure solution	Discover
5	refinement	Discover