Solution NMR of synthetic analogues of nisin and mutacin ring A and ring B - Mutacin I Ring A (Ser2, Ala5, Ala8) analogue
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H COSY | 0.7 mg/mL Mutacin I Ring A (Ser2, Ala5, Ala8) analogue | DMSO | TFA salt | 5.0 | 1 atm | 298 | Bruker AVANCE 600 |
| 2 | 2D 1H-1H NOESY | 0.7 mg/mL Mutacin I Ring A (Ser2, Ala5, Ala8) analogue | DMSO | TFA salt | 5.0 | 1 atm | 298 | Bruker AVANCE 600 |
| 3 | 2D 1H-13C HSQC | 0.7 mg/mL Mutacin I Ring A (Ser2, Ala5, Ala8) analogue | DMSO | TFA salt | 5.0 | 1 atm | 298 | Bruker AVANCE 600 |
| 4 | 2D 1H-13C HMBC | 0.7 mg/mL Mutacin I Ring A (Ser2, Ala5, Ala8) analogue | DMSO | TFA salt | 5.0 | 1 atm | 298 | Bruker AVANCE 600 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | Xplor-NIH | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 15 |
| Representative Model | 1 (closest to the average) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure calculation | Xplor-NIH | 2.45 | Schwieters, Kuszewski, Tjandra and Clore |
| 2 | refinement | Xplor-NIH | 2.45 | Schwieters, Kuszewski, Tjandra and Clore |
| 3 | chemical shift assignment | CcpNmr Analysis | CCPN | |
| 4 | peak picking | CcpNmr Analysis | CCPN | |
