Discovery, structural determination and processing of the precursor protein that produces the cyclic trypsin inhibitor SFTI-1
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D TOCSY | approx 1mM pro-SFTI-1, 90% H2O, 10% D2O | 90% H2O/10% D2O | NA | 4 | ambient | 298 | |
| 2 | 2D NOESY | approx 1mM pro-SFTI-1, 90% H2O, 10% D2O | 90% H2O/10% D2O | NA | 4 | ambient | 298 | |
| 3 | DQF-COSY | approx 1mM pro-SFTI-1, 90% H2O, 10% D2O | 90% H2O/10% D2O | NA | 4 | ambient | 298 | |
| 4 | E-COSY | approx 1mM pro-SFTI-1 | 100% D2O | NA | 4 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics, simulated annealing | CNS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | CNS | 1.0 | A.T.Brunger, P.D.Adams, G.M.Clore, W.L.Delano, P.Gros, R.W.Grosse-Kunstleve, J.-S.Jiang, J.Kuszewski, M.Nilges, N.S.Pannu, R.J.Read, L.M.Rice, T.Simonson, G.L.Warren |
| 2 | refinement | CNS | 1.0 | |
