2P4L

Structure and sodium channel activity of an excitatory I1-superfamily conotoxin

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.1mM [L-Phe44] iota-RXIA-, 95% H2O, 5% D2O	95% H2O/5% D2O		5.9	AMBIENT	298
2	2D TOCSY	1.1mM [L-Phe44] iota-RXIA-, 95% H2O, 5% D2O	95% H2O/5% D2O		5.9	AMBIENT	298
3	DQF-COSY	1.1mM [L-Phe44] iota-RXIA-, 95% H2O, 5% D2O	95% H2O/5% D2O		5.9	AMBIENT	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	600
2	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (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	refinement	X-PLOR	Xplor-nih 2.9.3	Schwieters
2	structure solution	DYANA	Cyana 1.0.6	Hermann
3	data analysis	XEASY	Xeasy 1.3.13	Bartels
4	processing	Bruker Biospin	Xwinnmr 3.5	Bruker Biospin

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.