1S6X

Solution structure of VSTx

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	PE-COSY	10mM VSTx; 90% H20, 10% D2O	90% H2O/10% D2O	0	3.5		283
2	DQF-COSY	10mM VSTx; 90% H20, 10% D2O	90% H2O/10% D2O	0	3.5		283
3	2D NOESY	10mM VSTx; 90% H20, 10% D2O	90% H2O/10% D2O	0	3.5		283
4	2D TOCSY	10mM VSTx; 90% H20, 10% D2O	90% H2O/10% D2O	0	3.5		283
5	2D NOESY	10mM VSTx; 90% H20, 10% D2O	90% H2O/10% D2O	0	3.5		300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	600

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	The structures are based on a total of 756 restraints, 721 are NOE derived distance constraints, 18 dihedral angle restraints, 8 distance restraints from hydrogen bonds, and 9 distance restraints from disulfide bonds.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations, structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	7 (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	structure solution	X-PLOR	3.851	Brunger
2	refinement	X-PLOR	3.851
3	collection	XwinNMR	3.0	Bruker
4	processing	XwinNMR	3.0	Bruker