SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | DQF-COSY | 3.5mM hepcidin, 95% H2O, 5% D2O, pH=4.7 | 95% H2O/5% D2O | 0 | 4.7 | 1 atm | 298 | |
| 2 | 2D TOCSY | 3.5mM hepcidin, 95% H2O, 5% D2O, pH=4.7 | 95% H2O/5% D2O | 0 | 4.7 | 1 atm | 298 | |
| 3 | 2D NOESY | 3.5mM hepcidin, 95% H2O, 5% D2O, pH=4.7 | 95% H2O/5% D2O | 0 | 4.7 | 1 atm | 298 | |
| 4 | E-COSY | 3.5mM hepcidin, 100% D2O, 10mM CD3COONa, pH=4.5 | 100% D2O; 10mM CD3COONa pH=4.5 | 10mM CD3COONa | 4.5 | 1 atm | 298 | |
| 5 | 2D NOESY | 3.5mM hepcidin, 100% D2O, 10mM CD3COONa, pH=4.5 | 100% D2O; 10mM CD3COONa pH=4.5 | 10mM CD3COONa | 4.5 | 1 atm | 298 | |
| 6 | 13C-HSQC | 3.5mM hepcidin, 95% H2O, 5% D2O, pH=4.7 | 95% H2O/5% D2O | 0 | 4.7 | 1 atm | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 500 |
| 2 | Bruker | AVANCE | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing molecular dynamics torsion angle dynamics | the structures are based on 188 NOE-derived distance constraints, 238 dihedral angle restraints, 4 distance restraintsfrom hydrogen bonds | X-PLOR-NIH |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | The submitted conformer models are the 20 structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 4 (closest to the average) |
| Additional NMR Experimental Information | |
|---|---|
| Details | this structure was determined using standard 2D homonuclear techniques and chemical shift data was obtained using standard 2D heteronuclear techniques performed at natural abundance isotope levels |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | X-PLOR-NIH | 2.0.6 | C.D.Schwieters, J.J.Kuszewski, N.Tjandra and G.M.Clore |
| 2 | data analysis | NMRPipe | 1 | F.Delaglio, S.Grzesiek, G.W.Vuister, G. Zhu, J.Pfeifer and A.Bax |
| 3 | collection | XwinNMR | 3.5 | bruker |
| 4 | refinement | X-PLOR-NIH | 2.0.6 | C.D.Schwieters, J.J.Kuszewski, N.Tjandra and G.M.Clore |
