2M3I

Characterization of a Novel Alpha4/6-Conotoxin TxIC from Conus textile that Potently Blocks alpha3beta4 Nicotinic Acetylcholine Receptors

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	~3 mg Conotoxin-1	30% trifluoroethanol/70% water		3.5		308
2	2D 1H-1H NOESY	~3 mg Conotoxin-1	30% trifluoroethanol/70% water		3.5		308
3	2D DQF-COSY	~3 mg Conotoxin-1	30% trifluoroethanol/70% water		3.5		308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
simulated annealing		CYANA

NMR Ensemble Information
Conformer Selection Criteria	Structures with the lowest MolProbity score
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (n/a)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich
2	refinement	CNSSOLVE		Brunger, Adams, Clore, Gros, Nilges and Read
3	structure validation	MolProbity		Richardson
4	structure validation	PROMOTIF		Hutchinson, E. G., and Thornton, J. M

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.