1Q2J

Structural basis for tetrodotoxin-resistant sodium channel binding by mu-conotoxin SmIIIA

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D TOCSY	0.9 mM SmIIIA, 95% H2O, 5% D2O	95% H2O/5% D2O		4.7	ambient	278
2	2D NOESY	0.9 mM SmIIIA, 95% H2O, 5% D2O	95% H2O/5% D2O		4.7	ambient	278
3	DQF-COSY	0.9 mM SmIIIA, 95% H2O, 5% D2O	95% H2O/5% D2O		4.7	ambient	278

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AMX	500
2	Bruker	DRX	600

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	13 (closest to the average)

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	3.5	Bruker Biospin
2	data analysis	XEASY	1.3.13	Bartels
3	structure solution	CYANA	1.0.3	Guentert
4	structure solution	X-PLOR	Xplor-NIH	Schweiters
5	refinement	X-PLOR	Xplor-NIH	Schweiters

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.