NMR Solution Structure of hGal(2-12)KK, a solubility-tagged truncation of the human neuropeptide galanin
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H COSY | 5 mM hGal(2-12)KK, 4.14 mM D3 sodium acetate, 5.86 mM D4 acetic acid | 95% H2O/5% D2O | 4.14 mM sodium acetate-d3 mM | 4.6 | 1 atm | 298 | Bruker AVANCE III HD 400 |
| 2 | 2D 1H-1H TOCSY | 5 mM hGal(2-12)KK, 4.14 mM D3 sodium acetate, 5.86 mM D4 acetic acid | 95% H2O/5% D2O | 4.14 mM sodium acetate-d3 mM | 4.6 | 1 atm | 298 | Bruker AVANCE III HD 400 |
| 3 | 2D 1H-1H ROESY | 5 mM hGal(2-12)KK, 4.14 mM D3 sodium acetate, 5.86 mM D4 acetic acid | 95% H2O/5% D2O | 4.14 mM sodium acetate-d3 mM | 4.6 | 1 atm | 298 | Bruker AVANCE III HD 400 |
| 4 | 1D 1H acquisition | 5 mM hGal(2-12)KK, 4.14 mM D3 sodium acetate, 5.86 mM D4 acetic acid | 95% H2O/5% D2O | 4.14 mM sodium acetate-d3 mM | 4.6 | 1 atm | 298 | Bruker AVANCE III HD 400 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE III HD | 400 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | CNS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 1000 |
| Conformers Submitted Total Number | 25 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | CNS | Brunger A. T. et.al. | |
| 2 | structure calculation | CNS | Brunger A. T. et.al. | |
| 3 | chemical shift assignment | MestreLab (Mnova / MestReNova / MestReC) | MestreLab (Mnova / MestReNova / MestReC) | |
| 4 | peak picking | MestreLab (Mnova / MestReNova / MestReC) | MestreLab (Mnova / MestReNova / MestReC) | |
