1KD6

Solution structure of the eukaryotic pore-forming cytolysin equinatoxin II

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	1mM 13C, 15N Equinatoxin II pH 3.9	90% H2O, 10% H2O		3.9	ambient	303
2	3D_15N-separated_NOESY	1mM 15N Equinatoxin II pH 3.9	90% H2O, 10% H2O		3.9	ambient	303
3	HNHA	1mM 15N Equinatoxin II pH 3.9	90% H2O, 10% H2O		3.9	ambient	303
4	NOESY	1mM unlabelled Equinatoxin II pH 3.9	90% H2O, 10% H2O		3.9	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	750
3	Varian	INOVA	800
4	Bruker	DRX	600

NMR Refinement
Method	Details	Software
torsion angle dyanamics distance geometry simulated annealing	The structure is based on 3161 total restraints including 167 angle constraints, 42 hydrogen bonds, 534 sequential, 972 short range and 1346 long range distance constraints.	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry,structures with the least restraint violations
Conformers Calculated Total Number	250
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	The structure was determined using triple resonance spectroscopy

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6	Varian Associates
2	processing	XwinNMR	2.6	Bruker AG
3	data analysis	XEASY	1.3.13	Bartels, C., Xia, T.H., Guntert, P., Wuthrich K. J Biomol NMR. 1995, 6, 1-10.
4	structure solution	DYANA	1.5	Guntert, P., Mumenthaler, C., Wuthrich, K.J. Mol. Biol. 1997, 273, 283-298.
5	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., Warren, G.L. Acta Crystallogr. D Biol. Crystallogr. 1998, 54, 905-921.