Experiment: 6BX9

Solution structure of conotoxin reg3b

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D_NOESY	1.275 mM reg3b, 10 % [U-99% 2H] D2O, 0.025 mM TSP, 90 % H2O	90% H2O/10% D2O	low-medium	3.5	1 atm	298	Varian INOVA 900
2	2D_TOCSY	1.275 mM reg3b, 10 % [U-99% 2H] D2O, 0.025 mM TSP, 90 % H2O	90% H2O/10% D2O	low-medium	3.5	1 atm	298	Varian INOVA 900
3	DQF-COSY	1.275 mM reg3b, 10 % [U-99% 2H] D2O, 0.025 mM TSP, 90 % H2O	90% H2O/10% D2O	low-medium	3.5	1 atm	298	Varian INOVA 900
4	2D 1H-1H NOESY	1.275 mM reg3b, 10 % [U-99% 2H] D2O, 0.025 mM TSP, 90 % H2O	90% H2O/10% D2O	low-medium	3.5	1 atm	273	Varian INOVA 900
5	2D 1H-1H TOCSY	1.275 mM reg3b, 10 % [U-99% 2H] D2O, 0.025 mM TSP, 90 % H2O	90% H2O/10% D2O	low-medium	3.5	1 atm	273	Varian INOVA 900
6	2D 1H-1H TOCSY	1.275 mM reg3b, 10 % [U-99% 2H] D2O, 0.025 mM TSP, 90 % H2O	90% H2O/10% D2O	low-medium	3.5	1 atm	283	Varian INOVA 900
7	2D 1H-1H NOESY	1.275 mM reg3b, 10 % [U-99% 2H] D2O, 0.025 mM TSP, 90 % H2O	90% H2O/10% D2O	low-medium	3.5	1 atm	283	Varian INOVA 900
8	1D 1H exchange	1.275 mM reg3b, 10 % [U-99% 2H] D2O, 0.025 mM TSP, 90 % H2O	90% H2O/10% D2O	low-medium	3.5	1 atm	283	Varian INOVA 900

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	900
2	Varian	INOVA	500

NMR Refinement
Method	Details	Software
simulated annealing	torsion angle dynamics	X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	VNMR		Varian
2	structure calculation	X-PLOR NIH	2.21	Schwieters, Kuszewski, Tjandra and Clore
3	chemical shift assignment	Sparky		Goddard
4	peak picking	Sparky		Goddard
5	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
6	data analysis	AQUA		Rullmann, Doreleijers and Kaptein
7	data analysis	Procheck		Laskowski, MacArthur, Smith, Jones, Hutchinson, Morris, Moss and Thornton