SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | Several experiments | 4.5 mM candoxin at pH 3.0 at 298 K. | 100% H2O for water samples 90% D2O and 10% H2O for deuterated samples | 3.0 | ambient | 298 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | UNITY | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry simulated annealing | total of 629 (noe and distance restraints) and 39 dihedral constraints. | X-PLOR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with acceptable covalent geometry |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 19 |
| Representative Model | 19 (fewest violations,lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | The assignments and distance constraints were obtained by 2D homonuclear NMR spectroscopy. Structure calculation was performed using XPLOR program. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | X-PLOR | 3.1 | Brunger |
| 2 | refinement | X-PLOR | 3.1 | Brunger |
