1KOZ | pdb_00001koz

SOLUTION STRUCTURE OF OMEGA-GRAMMOTOXIN SIA

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	2.4mM Grammotoxin NA; 90% H2O, 10% D2O	90% H2O/10% D2O	0	3.5	1 atm	283
2	E-COSY	2.4mM Grammotoxin NA; 90% H2O, 10% D2O	90% H2O/10% D2O	0	3.5	1 atm	283
3	2D NOESY	2.4mM Grammotoxin NA; 90% H2O, 10% D2O	90% H2O/10% D2O	0	3.5	1 atm	283

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

NMR Refinement
Method	Details	Software
simulated annealing	Additional comments about the NMR refinement can be placed here, e.g. the structures are based on a total of 561 restraints, 536 are NOE-derived distance constraints, 20 dihedral angle restraints,5 distance restraints from hydrogen bonds.	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 (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	refinement	X-PLOR	3.1	BRUNGER
2	data analysis	ANSIG	3.3	Kraulis
3	collection	XwinNMR	1.3	Bruker