2JNI

Spatial structure of antimicrobial peptide arenicin-2 in aqueous solution

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	0.6 mM arenicin-2, 90% H2O, 10% D2O	90% H2O/10% D2O	0	3.3	ambient	288
2	2D DQF-COSY	0.6 mM arenicin-2, 90% H2O, 10% D2O	90% H2O/10% D2O	0	3.3	ambient	288
3	2D 1H-1H NOESY	0.6 mM arenicin-2, 90% H2O, 10% D2O	90% H2O/10% D2O	0	3.3	ambient	288

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Varian	UNITY	600

NMR Refinement
Method	Details	Software
simulated annealing		XEASY

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	XEASY		Bartels et al.
2	peak picking	XEASY		Bartels et al.
3	collection	TopSpin		Bruker Biospin
4	data analysis	TopSpin		Bruker Biospin
5	processing	TopSpin		Bruker Biospin
6	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
7	collection	VNMR		Varian
8	data analysis	VNMR		Varian
9	refinement	CYANA	2.1	Guntert, Mumenthaler and Wuthrich