2MI5

Structure of insect-specific sodium channel toxin mu-Dc1a

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	350 uM [U-99% 13C; U-99% 15N] Dc1a-1, 20 mM sodium acetate-2	95% H2O/5% D2O	0.02	5.0	ambient	298
2	2D 1H-13C HSQC	350 uM [U-99% 13C; U-99% 15N] Dc1a-1, 20 mM sodium acetate-2	95% H2O/5% D2O	0.02	5.0	ambient	298
3	3D HNCO	350 uM [U-99% 13C; U-99% 15N] Dc1a-1, 20 mM sodium acetate-2	95% H2O/5% D2O	0.02	5.0	ambient	298
4	3D HNCACB	350 uM [U-99% 13C; U-99% 15N] Dc1a-1, 20 mM sodium acetate-2	95% H2O/5% D2O	0.02	5.0	ambient	298
5	3D HBHA(CO)NH	350 uM [U-99% 13C; U-99% 15N] Dc1a-1, 20 mM sodium acetate-2	95% H2O/5% D2O	0.02	5.0	ambient	298
6	3D CBCA(CO)NH	350 uM [U-99% 13C; U-99% 15N] Dc1a-1, 20 mM sodium acetate-2	95% H2O/5% D2O	0.02	5.0	ambient	298
7	3D 1H-13C NOESY aliphatic	350 uM [U-99% 13C; U-99% 15N] Dc1a-1, 20 mM sodium acetate-2	95% H2O/5% D2O	0.02	5.0	ambient	298
8	3D 1H-13C NOESY aromatic	350 uM [U-99% 13C; U-99% 15N] Dc1a-1, 20 mM sodium acetate-2	95% H2O/5% D2O	0.02	5.0	ambient	298
9	3D 1H-15N NOESY	350 uM [U-99% 13C; U-99% 15N] Dc1a-1, 20 mM sodium acetate-2	95% H2O/5% D2O	0.02	5.0	ambient	298
10	4D HCC(CO)NH	350 uM [U-99% 13C; U-99% 15N] Dc1a-1, 20 mM sodium acetate-2	95% H2O/5% D2O	0.02	5.0	ambient	298

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

NMR Refinement
Method	Details	Software
torsion angle dynamics		CYANA

NMR Ensemble Information
Conformer Selection Criteria	Best MolProbity score
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (best molprobity score)

Additional NMR Experimental Information
Details	All 3D and 4D except NOESY type data were acquired using non-uniform sampling and processed using maximum entropy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	3	Guntert, Mumenthaler and Wuthrich
2	geometry optimization	TALOS	+	Cornilescu, Delaglio and Bax
3	chemical shift assignment	XEASY		Bartels et al.
4	collection	TopSpin	3	Bruker Biospin
5	processing	Rowland_NMR_Toolkit	3	Jeffrey C. Hoch, Alan S. Stern
6	processing	GENPROC	2	Mehdi Mobli
7	refinement	CYANA	3