1MXK

NMR Structure of HO2-Co(III)bleomycin A(2) Bound to d(GGAAGCTTCC)(2)

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2mM Bleomycin/DNA complex; 20 mM phosphate buffer; 0.1 M NaCl	90% H2O/10% D2O	0.1 M NaCl	7.4	ambient	298
2	2D TOCSY	2mM Bleomycin/DNA complex; 20 mM phosphate buffer; 0.1 M NaCl	90% H2O/10% D2O	0.1 M NaCl	7.4	ambient	298
3	DQF-COSY	2mM Bleomycin/DNA complex; 20 mM phosphate buffer; 0.1 M NaCl	D2O	0.1 M NaCl	7.4	ambient	298
4	31P/1H-COSY	2mM Bleomycin/DNA complex; 20 mM phosphate buffer; 0.1 M NaCl	D2O	0.1 M NaCl	7.4	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500

NMR Refinement
Method	Details	Software
Simulated Annealing, Molecular Dynamics	The structure is based on 424 distance restraints (333 intramolecular DNA, 66 intramolecular bleomycin and 25 intermolecular).	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number	1
Representative Model	(minimized average structure)

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	1.3	Bruker Instr.
2	data analysis	Felix	2.3	Biosym
3	refinement	X-PLOR	3.1	Axel Brunger