Experiment: 1V4Q

Three-dimensional solution structure of the analogue peptide of omega-conotoxin MVIIC

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	9mM omega-conotoxin MVIIC analogue; 90% H2O, 10% D2O	90% H2O/10% D2O	0	4.0	ambient	288
2	DQF-COSY	9mM omega-conotoxin MVIIC analogue; 90% H2O, 10% D2O	90% H2O/10% D2O	0	4.0	ambient	288
3	2D TOCSY	9mM omega-conotoxin MVIIC analogue; 90% H2O, 10% D2O	90% H2O/10% D2O	0	4.0	ambient	288
4	2D NOESY	9mM omega-conotoxin MVIIC analogue; D2O	D2O	0	4.0	ambient	288
5	DQF-COSY	9mM omega-conotoxin MVIIC analogue; D2O	D2O	0	4.0	ambient	288
6	2D TOCSY	9mM omega-conotoxin MVIIC analogue; D2O	D2O	0	4.0	ambient	288
7	PE-COSY	9mM omega-conotoxin MVIIC analogue; D2O	D2O	0	4.0	ambient	288

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, molecular dynamics, torsion angle dynamics	The structures are based on a total of 562 restraints, 536 are NOE-derived distance constraints, 18 dihedral angle restraints, 8 distance restraints from hydrogen bonds and disulfide bonds.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	18
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	XwinNMR	2.6	Bruker
2	processing	NMRPipe	2002	Delaglio
3	data analysis	PIPP	4.3.2	Garrett
4	refinement	X-PLOR	3.1	Brunger