1WWN

NMR Solution Structure of BmK-betaIT, an Excitatory Scorpion Toxin from Buthus martensi Karsch

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY, 2D TOCSY, DQF-COSY	2.0mM	90% H2O/10% D2O		4.80	ambient	303
2	2D NOESY, 2D TOCSY, DQF-COSY	2.0mM	100% D2O		4.80	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600

NMR Refinement
Method	Details	Software
The structure are based on a total of 884 constraints, 814 are NOE-derived distance constraints,26 dihedral angle constraints,44 distance constraints from sixteen hydrogen bonds and four disulfide bonds.		VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
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	VNMR	6.1B	Mike Carlisle, Dan Steele, and Mike Miller
2	processing	VNMR	6.1B	Mike Carlisle, Dan Steele, and Mike Miller
3	data analysis	XEASY	1994	Tai-he Xia and Christian Bartel
4	structure solution	DYANA	1.5	Peter Guntert, Christian Mumenthaler and Torsten Herrmann
5	refinement	Amber	5.0

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 R01GM133198.