1NBJ

High-resolution solution structure of cycloviolacin O1

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	1.3mM in total volume of 0.5ml	90% H2O/10% D2O	0	5.5	ambient	298
2	2D TOCSY	1.3mM in total volume of 0.5ml	90% H2O/10% D2O	0	5.5	ambient	298
3	2D TOCSY	1.3mM in total volume of 0.5ml	100% D2O	0	5.5	ambient	298
4	2D NOESY	1.3mM in total volume of 0.5ml	90% H2O/10% D2O	0	5.5	ambient	298
5	2D NOESY	1.3mM in total volume of 0.5ml	100% D2O	0	5.5	ambient	298
6	E-COSY	1.3mM in total volume of 0.5ml	100% D2O	0	5.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	750
2	Bruker	ARX	500

NMR Refinement
Method	Details	Software
Structures were generated using torsion angle dynamics and refined in explicit water using Cartesian dynamics and restrained powell minimisation		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations, structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

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	2.6	Bruker
2	data analysis	XEASY	1.3.7	Eccles C., Guntert P., Billeter M. and Wuthrich K.
3	structure solution	DYANA	1.5	Guntert P., Mumenthaler C. and Wuthrich K.
4	refinement	CNS	1.0	Brunger A.T., Adams P.D., Clore G.M., DeLano W.L., Gros P., Grosse-Kunstleve R.W., Jiang J.S., Kuszewski J., Nilges M., Pannu N.S., Read R.J., Rice L.M., Simonson T. and Warren G.L.