2MQF

NMR structure of spider toxin-TRTX-Hhn2b

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 mM [U-99% 13C; U-99% 15N] Hhn2b-1, 20 mM sodium acetate-2	95% H2O/5% D2O	20	5	ambient	298
2	3D CBCA(CO)NH	300 mM [U-99% 13C; U-99% 15N] Hhn2b-1, 20 mM sodium acetate-2	95% H2O/5% D2O	20	5	ambient	298
3	3D HNCACB	300 mM [U-99% 13C; U-99% 15N] Hhn2b-1, 20 mM sodium acetate-2	95% H2O/5% D2O	20	5	ambient	298
4	3D HNCO	300 mM [U-99% 13C; U-99% 15N] Hhn2b-1, 20 mM sodium acetate-2	95% H2O/5% D2O	20	5	ambient	298
5	3D 1H-13C NOESY aliphatic	300 mM [U-99% 13C; U-99% 15N] Hhn2b-1, 20 mM sodium acetate-2	95% H2O/5% D2O	20	5	ambient	298
6	3D 1H-13C NOESY aromatic	300 mM [U-99% 13C; U-99% 15N] Hhn2b-1, 20 mM sodium acetate-2	95% H2O/5% D2O	20	5	ambient	298
7	3D 1H-15N NOESY	300 mM [U-99% 13C; U-99% 15N] Hhn2b-1, 20 mM sodium acetate-2	95% H2O/5% D2O	20	5	ambient	298
8	3D HBHA(CO)NH	300 mM [U-99% 13C; U-99% 15N] Hhn2b-1, 20 mM sodium acetate-2	95% H2O/5% D2O	20	5	ambient	298
9	4D HCC(CO)NH	300 mM [U-99% 13C; U-99% 15N] Hhn2b-1, 20 mM sodium acetate-2	95% H2O/5% D2O	20	5	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	Low Molprobity score
Conformers Calculated Total Number	30
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	All non-NOESY, 3D/4D data acquired using NUS and processed using MaxEnt

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
2	chemical shift assignment	CcpNmr Analysis	2.2	CCPN
3	collection	TopSpin	3.2	Bruker Biospin
4	processing	TopSpin	3.2	Bruker Biospin
5	refinement	CYANA		Guntert, Mumenthaler and Wuthrich