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Solution Structure of Hepcidin-25
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 1.6 mM hepcidin-25, 40 mM phosphate buffer, 15N labelled Gly, Phe, Ile 90% H2O/10% D2O 3.5 ambient 298 2 2D TOCSY 1.6 mM hepcidin-25, 40 mM phosphate buffer, 15N labelled Gly, Phe, Ile 90% H2O/10% D2O 3.5 ambient 298 3 Diffusion 1.6 mM hepcidin-25, 40 mM phosphate buffer, 15N labelled Gly, Phe, Ile 90% H2O/10% D2O 3.5 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 500 2 Bruker AVANCE 400 3 Varian INOVA 800 4 Bruker AVANCE 700
NMR Refinement Method Details Software simulated annealing
molecular dynamics
matrix relaxation
torsion angle dynamics the structures are based on 251 NOE-derived distance constraints, 22 dihedral angle restraints, 4 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