5TWI
Alpha Helix Nucleation by a Simple Cyclic Tetrapeptide
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 4 | 2D 1H-1H ROESY | 1 mM n helix cap | 93% H2O/7% D2O | 100 mM | 6 | 1 atm | 298 | Bruker AVANCE III 600 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE III | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | Xplor | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 5 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | Xplor | Xplor-NIH | |
| 3 | chemical shift assignment | TopSpin | Bruker Biospin | |
| 4 | peak picking | TopSpin | Bruker Biospin | |
