2LI3

Structural and functional analysis of a novel potassium toxin argentinean scorpion Tityus trivittatus reveals a new kappa sub-family

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	NOESY	2.3 mM KAPPA-KTX3.1 SCORPION TOXIN	95% H2O/5% D2O		3.5	AMBIENT	298
2	2D 1H-1H TOCSY	2.3 mM KAPPA-KTX3.1 SCORPION TOXIN	95% H2O/5% D2O		3.5	AMBIENT	298
3	2D DQF-C	2.3 mM KAPPA-KTX3.1 SCORPION TOXIN	95% H2O/5% D2O		3.5	AMBIENT	298

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

NMR Refinement
Method	Details	Software
TORSION ANGLE DYNAMICS, MOLECULAR DYNAMICS	STRUCTURE DETERMINATION WAS PERFORMED USING CYANA 2.1.THE 20 STRUCTURES OF 200 WITH LOWEST TARGET FUNCTION WERE REFINED BY MOLECULAR DYNAMICS WITH EXPLICIT SOLVENT USING AMBER 9.0.	CYANA

NMR Ensemble Information
Conformer Selection Criteria	LOWEST TARGET FUNCTION
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CYANA	2.1	D.A.CASE, ET AL.
2	structure solution	NMRPipe		Delaglio, Zhengrong and Bax
3	structure solution	XEASY		Bartels et al.
4	structure solution	CARA1.5		Keller and Wuthrich
5	structure solution	AMBER	9	Guntert, Mumenthaler and Wuthrich
6	structure solution	MOLMOL		Koradi, Billeter and Wuthrich
7	refinement	AMBER		Guntert, Mumenthaler and Wuthrich
8	structure solution	CYANA	2.1	D.A.CASE, ET AL.