Anabaena Sensory Rhodopsin Structure Determination from Paramagnetic Relaxation Enhancement and NMR Restraints
SOLID-STATE NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 13C-13C DARR | 0.9 w/w [U-13C; U-15N] Reconstituted protein, 0.09 w/w DMPC, 0.01 w/w DMPA | CHES | 10 mM | 9 | 1 atm | 277 | Bruker AVANCE III 800 |
| 2 | 2D 13C-15N N-CA | 0.9 w/w [U-13C; U-15N] Reconstituted protein, 0.09 w/w DMPC, 0.01 w/w DMPA | CHES | 10 mM | 9 | 1 atm | 277 | Bruker AVANCE III 800 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE III | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | X-PLOR NIH | |
| 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 | chemical shift assignment | CARA | Keller and Wuthrich | |
| 2 | structure calculation | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 3 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 4 | peak picking | CARA | Keller and Wuthrich | |
| 5 | collection | TopSpin | Bruker Biospin | |
