2MUB

Solution structure of the analgesic sea anemone peptide APETx2

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 APETx2, 20 mM potassium phosphate	95% H2O/5% D2O	20	6.0	ambient	298
2	2D 1H-13C HSQC	300 uM APETx2, 20 mM potassium phosphate	95% H2O/5% D2O	20	6.0	ambient	298
3	2D 1H-1H COSY	300 uM APETx2, 20 mM potassium phosphate	95% H2O/5% D2O	20	6.0	ambient	298
4	2D 1H-1H NOESY	300 uM APETx2, 20 mM potassium phosphate	95% H2O/5% D2O	20	6.0	ambient	298
5	2D 1H-1H TOCSY	300 uM APETx2, 20 mM potassium phosphate	95% H2O/5% D2O	20	6.0	ambient	298

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

NMR Refinement
Method	Details	Software
torsion angle dynamics	AUTOMATED NOE ASSIGNMENTS BY CYANA	CYANA

NMR Ensemble Information
Conformer Selection Criteria	Best MolProbity score
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (best stereochemistry)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
2	data analysis	TALOS	+	Cornilescu, Delaglio and Bax
3	processing	TopSpin	3.1	Cornilescu, Delaglio and Bax
4	collection	TopSpin	3.1	Cornilescu, Delaglio and Bax
5	processing	Rowland_NMR_Toolkit	3	J. C. Hoch & A. S. Stern
6	refinement	CYANA	3.0	Guntert, Mumenthaler and Wuthrich