SOLUTION STRUCTURE OF TACHYCITIN, AN ANTIMICROBIAL PROTEIN WITH CHITIN-BINDING FUNCTION
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 1.5mM Tachycitin; 90% H2O, 10% D2O | 90% H2O/10% D2O | 4.2 | ambient | 303 | ||
| 2 | DQF-COSY | 1.5mM Tachycitin; 90% H2O, 10% D2O | 90% H2O/10% D2O | 4.2 | ambient | 303 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | JEOL | Alpha | 600 |
| 2 | JEOL | Alpha | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry simulated annealing | The structures are based on a total of 1070 restraints, 1009 are NOE-derived distance constraints, 35 dihedral angle restraints, 26 distance restraints from hydrogen bonds. | NMRPipe |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 25 |
| 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 | data analysis | NMRPipe | 1.7 | Delaglio |
| 2 | data analysis | PIPP | 4.0.4 | Garrett |
| 3 | structure solution | X-PLOR | 3.851 | Brunger |
| 4 | refinement | X-PLOR | 3.851 | Brunger |
