Structure of the channel-forming trans-membrane domain of Virus protein "u" (Vpu) from HIV-1
SOLID-STATE NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | PISEMA | Completely aligned in glass plates: 3.5 mg Vpu2-30+ U-15N, 75 mg lipid mixture (DOPC:DOPG, 9:1) | NA | 7.0 | ambient | 293 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 700 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| SCWRL 2.1 | This structure was constructed as a symmetric tetramer of the Vpu2-30+ trans-membrane construct based on the empirical minimization of energy upon the addition of sidechains to a backbone structure that was generated from solid-state NMR data using the program SCWRL. | NMRPipe |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | |
| Conformers Calculated Total Number | |
| Conformers Submitted Total Number | 4 |
| Representative Model | 1 (minimized average structure) |
| Additional NMR Experimental Information | |
|---|---|
| Details | PISEMA: Polarization Inversion Spin Exchange at the Magic Angle |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | NMRPipe | 2.1 | Delaglio, F., Grzesiek, S., Vuister, G.W., Zhu, G., Pfeifer, J., Bax, A. |
| 2 | refinement | SCRWL | 2.1 | Bower, M.J., Cohen, F.E., Dunbrack Jr., R.L. |
