Incorporation of dehydro-aza-proline residues in avian pancreatic polypeptide: Aza-Pro substitution at positions 4 and 6
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H TOCSY | 2 mM avian pancreatic polypeptide, dehydro-aza-proline substitution at residues 4 and 6, 50 mM [U-2H] sodium acetate, 0.05 mM DSS | 90% H2O/10% D2O | 50 mM | 4.1 | 1 atm | 300 | Bruker AVANCE II 800 |
| 2 | 2D 1H-1H NOESY | 2 mM avian pancreatic polypeptide, dehydro-aza-proline substitution at residues 4 and 6, 50 mM [U-2H] sodium acetate, 0.05 mM DSS | 90% H2O/10% D2O | 50 mM | 4.1 | 1 atm | 300 | Bruker AVANCE II 800 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE II | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | ARIA | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | TopSpin | Bruker Biospin | |
| 2 | peak picking | Poky | Manthey, Tonelli, Clos II, Rahimi, Markley and Lee | |
| 3 | structure calculation | ARIA | Linge, O'Donoghue and Nilges | |
