1FEO

Solution structure of omega-conotoxin MVIIA with C-terminal Gly

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2 mM omega-MVIIA-Gly	93% H2O, 7% D20		6.0	ambient	283
2	3D_15N-separated_NOESY	2 mM omega-MVIIA-Gly U-15N	93% H2O, 7% D20		6.0	ambient	283
3	HNHA	2 mM omega-MVIIA-Gly U-15N	93% H2O, 7% D20		6.0	ambient	283
4	HNHB	2 mM omega-MVIIA-Gly U-15N	93% H2O, 7% D20		6.0	ambient	283

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	750
2	Bruker	AMX	500
3	Bruker	AMX	600

NMR Refinement
Method	Details	Software
simulated annealing in torsion angle space	The structures are based on 249 non-reduncant NOE-derived distance restraints, 9 distance restraints from the three disulfide bonds, 16 distance restraints from hydrogen bonds, 19 dihedral angle restraints.	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	9 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe		Delaglio et al.
2	data analysis	XEASY	1.2	Bartels et al.
3	structure solution	DYANA	1.3	Guntert et al
4	refinement	DYANA	1.3	Guntert et al

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.