1MA4
Solution Structure of Tachyplesin I Mutant TPY4 in water
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | TPY4 17 residue peptide | 90%/10% H2O/D2O and 99% D2O with 0.15% TFA, pH 3.0 | 0.15% | 3.0 | ambient | 298 | |
| 2 | 2D TOCSY | TPY4 17 residue peptide | 90%/10% H2O/D2O and 99% D2O with 0.15% TFA, pH 3.0 | 0.15% | 3.0 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| Simulated Annealing with complete cross-validation | CNS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 300 |
| Conformers Submitted Total Number | 31 |
| Representative Model | 1 (minimized average structure) |
| Additional NMR Experimental Information | |
|---|---|
| Details | For reasons of overlap, data was collected at both 298K and 277K. NOEs from spectra at both temperatures were used. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | CNS | 1.0 | Brunger, Adams, Clore, DeLano, Gros, Grosse-Kunstleve, Jiang, Kuszewski, Nilges, Pannu, Read, Rice, Simonson, Warren |
| 2 | collection | XwinNMR | 6.1 | Bruker |
| 3 | processing | XwinNMR | 6.1 | Bruker |
| 4 | refinement | CNS | 1.0 | Brunger, Adams, Clore, DeLano, Gros, Grosse-Kunstleve, Jiang, Kuszewski, Nilges, Pannu, Read, Rice, Simonson, Warren |
