1VB8

solution structure of vhr1, the first cyclotide from root tissue

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1mM vhr1	70% H2O, 10% D2O, 20% acetonitrile-d3		6	ambient	298
2	2D TOCSY	1mM vhr1	70% H2O, 10% D2O, 20% acetonitrile-d3		6	ambient	298
3	DQF-COSY	1mM vhr1	70% H2O, 10% D2O, 20% acetonitrile-d3		6	ambient	298
4	TQF-COSY	1mM vhr1	70% H2O, 10% D2O, 20% acetonitrile-d3		6	ambient	310
5	2D TOCSY	1mM vhr1	70% H2O, 10% D2O, 20% acetonitrile-d3		6	ambient	310
6	DQF-COSY	1mM vhr1	70% H2O, 10% D2O, 20% acetonitrile-d3		6	ambient	310
7	2D NOESY	1mM vhr1	80% D2O, 20% acetonitrile-d3		6	ambient	298
8	2D TOCSY	1mM vhr1	80% D2O, 20% acetonitrile-d3		6	ambient	298
9	TQF-COSY	1mM vhr1	80% D2O, 20% acetonitrile-d3		6	ambient	298
10	DQF-COSY	1mM vhr1	80% D2O, 20% acetonitrile-d3		6	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	750

NMR Refinement
Method	Details	Software
simulated annealing	final energy minimization in water shell	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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR		Bruker
2	data analysis	GLXCC		Cieslar et al.
3	structure solution	X-PLOR	3.851	Brunger
4	refinement	CNS	1.0