2N8F

Chemical shift assignments and structure calculation of spider toxin pi-hexatoxin-Hi1a

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	300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES	95% H2O/5% D2O		6.0	ambient	298
2	3D 1H-13C NOESY aliphatic	300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES	95% H2O/5% D2O		6.0	ambient	298
3	3D 1H-13C NOESY aromatic	300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES	95% H2O/5% D2O		6.0	ambient	298
4	3D HNCO	300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES	95% H2O/5% D2O		6.0	ambient	298
5	3D HNCACB	300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES	95% H2O/5% D2O		6.0	ambient	298
6	3D CBCA(CO)NH	300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES	95% H2O/5% D2O		6.0	ambient	298
7	3D HBHA(CO)NH	300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES	95% H2O/5% D2O		6.0	ambient	298
8	3D 1H-15N NOESY	300 uM [U-99% 13C; U-99% 15N] hi1a, 10 uM DSS, 0.02 % sodium azide, 20 mM MES	95% H2O/5% D2O		6.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE II	900

NMR Refinement
Method	Details	Software
torsion angle dynamics		TopSpin

NMR Ensemble Information
Conformer Selection Criteria	structures with best stereochemical properties
Conformers Calculated Total Number	30
Conformers Submitted Total Number	20
Representative Model	1 (best stereochemical properties)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	3.2	Bruker Biospin
2	dihedral angle prediction	TALOS		Cornilescu, Delaglio and Bax
3	chemical shift assignment	Sparky		Goddard
4	peak picking	Sparky		Goddard
5	chemical shift assignment	XEASY		Bartels et al.
6	peak picking	XEASY		Bartels et al.
7	processing nus data	Rowland_NMR_Toolkit		Hoch JC
8	processing	Rowland_NMR_Toolkit		Hoch JC
9	chemical shift assignment	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
10	structure calculation	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
11	refinement	CYANA	3.0	Guntert, Mumenthaler and Wuthrich