1M4E
Solution Structure of Hepcidin-20
SOLUTION NMR
NMR Experiment | ||||||||
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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 | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 500 |
2 | Bruker | AVANCE | 700 |
NMR Refinement | ||
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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 | |
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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 | |
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Details | This structure was determined using standard 2D homonuclear techniques. |
Computation: NMR Software | ||||
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# | 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 |