Solution structure of the cathelin-like domain of protegrins (all amide bonds involving proline residues are in trans conformation)
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | HNCA,HNCO,CBCA(CO)NH,3D_15N-separated_NOESY | 1.5-2mM; U-15N, 13C; 50mM phosphate buffer; pH 6.2 | 95% H2O/5% D2O | 100mM | 6.2 | ambient | 300 | |
| 2 | HC(C)H-TOCSY,3D_13C-separated_NOESY | 1.5-2mM; U-15N, 13C; 50mM phosphate buffer; pH 6.2 | 100% D2O | |||||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AMX | 600 |
| 2 | Varian | INOVA | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry and simulated annealing | Gifa | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations |
| Conformers Calculated Total Number | 60 |
| Conformers Submitted Total Number | 15 |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | Gifa | 4.4 | Delsuc, M.A. |
| 2 | refinement | X-PLOR | 3.8 | Rice, L.M., Brunger, A.T. |
| 3 | collection | XwinNMR | 2.0 | |
