1M4E

Solution Structure of Hepcidin-20

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.78mM hepcidin-20	90% H2O/10% D2O		3.2	ambient	298
2	2D TOCSY	0.78mM hepcidin-20	90% H2O/10% D2O		3.2	ambient	298
3	13C-HSQC	0.78mM hepcidin-20	90% H2O/10% D2O		3.2	ambient	298
4	Diffusion	0.78mM hepcidin-20	90% H2O/10% D2O		3.2	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
simulated annealing, molecular dynamics, matrix relaxation, torsion angle dynamics	the structures are based on 285 NOE-derived distance constraints, 17 dihedral angle restraints, 5 distance restraints from hydrogen bonds.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	structure solution	CNS	1.1	Brunger et al
3	processing	NMRPipe	3.4	Delaglio, F.
4	refinement	CNS	1.1	Brunger et al