2N96

An unexpected mode of small molecule DNA binding provides the structural basis for DNA cleavage by the potent antiproliferative agent (-)-lomaiviticin A

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D DQF-COSY	1.1 uM DNA (5'-D(*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3)*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3))-3'), 1.1 uM lomaiviticin A	100% D2O	24	7.5	ambient	297
2	2D 1H-13C HSQC	1.1 uM DNA (5'-D(*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3)*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3))-3'), 1.1 uM lomaiviticin A	100% D2O	24	7.5	ambient	297
3	2D 1H-1H NOESY	1.1 uM DNA (5'-D(*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3)*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3))-3'), 1.1 uM lomaiviticin A	100% D2O	24	7.5	ambient	297
4	2D 1H-1H NOESY	1.1 uM DNA (5'-D(*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3)*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3))-3'), 1.1 uM lomaiviticin A	100% D2O	24	7.5	ambient	297
5	2D 1H-1H NOESY	1.1 uM DNA (5'-D(*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3)*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3))-3'), 1.1 uM lomaiviticin A	90% H2O/10% D2O	24	7.5	ambient	297
6	2D DQF-COSY	1.1 uM DNA (5'-D(*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3)*(DG5)P*CP*TP*AP*TP*AP*GP*(DC3))-3'), 1.1 uM lomaiviticin A	90% H2O/10% D2O	24	7.5	ambient	297

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Agilent	Direct Drive	800

NMR Refinement
Method	Details	Software
molecular dynamics		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	1000
Conformers Submitted Total Number	6
Representative Model	1 (minimized average structure)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure calculation	Amber	14	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollman
2	refinement	Amber	14	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollman