Helical hairpin structure of a novel antimicrobial peptide EcAMP1 from seeds of barnyard grass (Echinochloa crus-galli)
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 0.7 mg/mL EcAMP1, 10 mM KOH | 95% H2O/5% D2O | 10 | 6.62 | 1 atm | 293 | |
| 2 | 2D 1H-1H TOCSY | 0.7 mg/mL EcAMP1, 10 mM KOH | 95% H2O/5% D2O | 10 | 6.62 | 1 atm | 293 | |
| 3 | 2D DQF-COSY | 0.7 mg/mL EcAMP1, 10 mM KOH | 95% H2O/5% D2O | 10 | 6.62 | 1 atm | 293 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | Simulated annealing in torsion angle space implemented in CYANA | CYANA |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | target function |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (fewest violations) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | CYANA | 2.1 | Guntert, Mumenthaler and Wuthrich |
| 2 | refinement | CYANA | 2.1 | Guntert, Mumenthaler and Wuthrich |
