2KTC

Solution Structure of a Novel hKv1.1 inhibiting scorpion toxin from Mesibuthus tamulus

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
2	2D 1H-13C HSQC	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
3	2D 1H-1H TOCSY	1-2 mM BTK2-2	methanol	0	7	ambient	298
4	2D 1H-1H NOESY	1-2 mM BTK2-2	methanol	0	7	ambient	298
5	3D CBCA(CO)NH	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
6	3D C(CO)NH	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
7	3D HNCO	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
8	3D HNCACB	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
9	3D H(CCO)NH	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
10	3D HCCH-COSY	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
11	3D HNHA	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
12	3D 1H-15N NOESY	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
13	3D 1H-13C NOESY	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298
14	3D HACAHBCOSY	1-2 mM [U-99% 13C; U-99% 15N] BTK2-1	methanol	0	7	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	700
2	Bruker	AVANCE	500

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

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
2	data analysis	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
3	structure solution	X-PLOR NIH		Kraulis
4	data analysis	X-PLOR NIH		Kraulis
5	structure solution	X-PLOR NIH		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
6	data analysis	X-PLOR NIH		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
7	structure solution	X-PLOR NIH		Koradi, Billeter and Wuthrich
8	data analysis	X-PLOR NIH		Koradi, Billeter and Wuthrich
9	refinement	X-PLOR NIH		Koradi, Billeter and Wuthrich