1V5A

Solution Structure of Covalitoxin I

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	5mM Covalitoxin-I; 90% H2O, 10% D2O	90% H2O/10% D2O	0	5.0	ambient	298
2	DQF-COSY	5mM Covalitoxin-I; 90% H2O, 10% D2O	90% H2O/10% D2O	0	5.0	ambient	298
3	2D TOCSY	5mM Covalitoxin-I; 90% H2O, 10% D2O	90% H2O/10% D2O	0	5.0	ambient	298
4	PE-COSY	5mM Covalitoxin-I; 90% H2O, 10% D2O	90% H2O/10% D2O	0	5.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	15
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	XwinNMR	2.6	Bruker
3	refinement	X-PLOR	3.1

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.