1JO1

N7-Guanine Adduct of 2,7-diaminomitosene with DNA

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.2 mM d(GTG(+G)TATACCAC) duplex in 0.01 M sodium phosphate, 0.1 M NaCl, 0.001M EDTA	90% H2O/10% D2O	0.1 M NaCl	6.8	ambient	278
2	2D NOESY	1.2 mM d(GTG(+G)TATACCAC) duplex in 0.01 M sodium phosphate, 0.1 M NaCl, 0.001M EDTA	100% D2O	0.1 M NaCl	6.8	ambient	278
3	P-COSY	1.2 mM d(GTG(+G)TATACCAC) duplex in 0.01 M sodium phosphate, 0.1 M NaCl, 0.001M EDTA	100% D2O	0.1 M NaCl	6.8	ambient	278
4	HOHAHA	1.2 mM d(GTG(+G)TATACCAC) duplex in 0.01 M sodium phosphate, 0.1 M NaCl, 0.001M EDTA	100% D2O	0.1 M NaCl	6.8	ambient	278
5	P-COSY	1.2 mM d(GTG(+G)TATACCAC) duplex in 0.01 M sodium phosphate, 0.1 M NaCl, 0.001M EDTA	100% D2O	0.1 M NaCl	6.8	ambient	303
6	2D NOESY	1.2 mM d(GTG(+G)TATACCAC) duplex in 0.01 M sodium phosphate, 0.1 M NaCl, 0.001M EDTA	100% D2O	0.1 M NaCl	6.8	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	500
2	Varian	UNITYPLUS	600

NMR Refinement
Method	Details	Software
distance geometry and molecular dynamics	The structure is based on 126 intramolecular DNA constraints, 30 H-bonding constraints, 48 intermolecular drug-DNA constraints, and 48 dihedral constraints	VNMR

NMR Ensemble Information
Conformer Selection Criteria	lowest number of NOE violations
Conformers Calculated Total Number	12
Conformers Submitted Total Number	1

Additional NMR Experimental Information
Details	This structure was determined using standard 2d-NOE buildup studies in H2O and D2O buffers.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1	Varian Instruments
2	data analysis	Felix	3.0	MSI
3	structure solution	X-PLOR	3.01	A. Brunger
4	refinement	X-PLOR	3.01	A. Brunger