2MT7

Solution structure of spider-venom peptide Hs1a

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	0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3	95% H2O/5% D2O	20	4.9	ambient	298
2	3D HNCO	0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3	95% H2O/5% D2O	20	4.9	ambient	298
3	3D CBCA(CO)NH	0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3	95% H2O/5% D2O	20	4.9	ambient	298
4	3D HNCACB	0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3	95% H2O/5% D2O	20	4.9	ambient	298
5	3D 1H-15N NOESY	0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3	95% H2O/5% D2O	20	4.9	ambient	298
6	3D 1H-13C NOESY aliphatic	0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3	95% H2O/5% D2O	20	4.9	ambient	298
7	3D 1H-13C NOESY aromatic	0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3	95% H2O/5% D2O	20	4.9	ambient	298
8	4D HCC(CO)NH TOCSY	0.5 mM [U-98% 13C; U-98% 15N] Hs1a-1, 20 mM sodium acetate-2, 5 % D2O-3	95% H2O/5% D2O	20	4.9	ambient	298

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

NMR Refinement
Method	Details	Software
torsion angle dynamics	Using automated NOE assignments	TopSpin

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

Additional NMR Experimental Information
Details	All 3D/4D data other than NOESY data acquired with NUS and processed using maximum entropy reconstruction

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	3.1	Bruker Biospin
2	processing	Rowland_NMR_Toolkit	3	Jeffrey C. Hoch & Alan Stern
3	peak picking	XEASY		Bartels et al.
4	data analysis	XEASY		Bartels et al.
5	data analysis	TALOS+		Cornilescu, Delaglio and Bax
6	geometry optimization	CYANA	3	Guntert, Mumenthaler and Wuthrich
7	structure solution	CYANA	3	Guntert, Mumenthaler and Wuthrich
8	refinement	CYANA	3	Guntert, Mumenthaler and Wuthrich