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 |