2MM5
solution structure of alpha-amylase inhibitor peptide aS4 from Allatide scholaris
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H TOCSY | 1 mM aS4-1, 95 % H2O-2, 5 % D2O-3 | 95% H2O/5% D2O | 0 | 3.2 | ambient | 298 | |
| 2 | 2D 1H-1H NOESY | 1 mM aS4-1, 95 % H2O-2, 5 % D2O-3 | 95% H2O/5% D2O | 0 | 3.2 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | TopSpin | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 11 |
| Representative Model | 1 (fewest violations) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | TopSpin | Bruker Biospin | |
| 2 | data analysis | NMRDraw | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
| 3 | processing | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
| 4 | chemical shift assignment | NMRspy | Zheng Yu, Xu Yingqi and Yang Daiwen | |
| 5 | refinement | CYANA | Guntert, Mumenthaler and Wuthrich | |
| 6 | geometry optimization | MOLMOL | Koradi, Billeter and Wuthrich | |
| 7 | geometry optimization | ProcheckNMR | Laskowski and MacArthur | |
