8UWF

NMR structure of the funnel-web spider toxin Hc3a

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	4 mg/mL Hc3a	90% H2O/10% D2O	0 mM	3.5	1 atm	298	Bruker AVANCE 900
2	2D 1H-1H NOESY	4 mg/mL Hc3a	90% H2O/10% D2O	0 mM	3.5	1 atm	298	Bruker AVANCE 900
3	2D 1H-13C HSQC	4 mg/mL Hc3a	90% H2O/10% D2O	0 mM	3.5	1 atm	298	Bruker AVANCE 900
4	2D 1H-15N HSQC	4 mg/mL Hc3a	90% H2O/10% D2O	0 mM	3.5	1 atm	298	Bruker AVANCE 900
5	2D 1H-1H TOCSY	4 mg/mL Hc3a	90% H2O/10% D2O	0 mM	3.5	1 atm	288	Bruker AVANCE 900
6	2D 1H-1H TOCSY	4 mg/mL Hc3a	90% H2O/10% D2O	0 mM	3.5	1 atm	293	Bruker AVANCE 900
7	2D 1H-1H TOCSY	4 mg/mL Hc3a	90% H2O/10% D2O	0 mM	3.5	1 atm	303	Bruker AVANCE 900
8	2D 1H-1H TOCSY	4 mg/mL Hc3a	90% H2O/10% D2O	0 mM	3.5	1 atm	308	Bruker AVANCE 900

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

NMR Refinement
Method	Details	Software
simulated annealing	Simulated annealing using torsion angle dynamics	CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (best molprobity score)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	CARA		Keller and Wuthrich
2	peak picking	CARA		Keller and Wuthrich
3	structure calculation	CYANA		Guntert, Mumenthaler and Wuthrich
5	refinement	CYANA		Guntert, Mumenthaler and Wuthrich
4	data analysis	MolProbity		Richardson