1PJV | pdb_00001pjv

Cobatoxin 1 from Centruroides noxius Scorpion venom: Chemical Synthesis, 3-D Structure in Solution, Pharmacology and Docking on K+ channels

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2mM Cobatoxin 1; 90% H2O, 10% D2O	90% H2O/10% D2O		3.1	ambient	300
2	2D TOCSY	2mM Cobatoxin 1; 90% H2O, 10% D2O	90% H2O/10% D2O		3.1	ambient	300
3	DQF-COSY	2mM Cobatoxin 1; 90% H2O, 10% D2O	90% H2O/10% D2O		3.1	ambient	300
4	2D NOESY	2mM Cobatoxin 1; 90% H2O, 10% D2O	90% H2O/10% D2O		3.1	ambient	300
5	2D TOCSY	2mM Cobatoxin 1; 90% H2O, 10% D2O	90% H2O/10% D2O		3.1	ambient	300
6	DQF-COSY	2mM Cobatoxin 1; 90% H2O, 10% D2O	90% H2O/10% D2O		3.1	ambient	300

NMR Refinement
Method	Details	Software
distance geometry calculation and CNS refinement		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	back calculated data agree with experimental NOESY spectrum, structures with acceptable covalent geometry, structures with favorable non-bond energy, structures with the least restraint violations, structures with the lowest energy, target function
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average, fewest violations, lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR
2	processing	NMRPipe
3	data analysis	XEASY
4	structure solution	DIANA
5	refinement	CNS
6	structure solution	Turbo-Frodo
7	structure solution	MOLMOL