Structure of the channel-forming trans-membrane domain of Virus protein "u"(Vpu) from HIV-1
SOLID-STATE NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | PISEMA | Completely aligned sample in glass plates: 3.5 mg Vpu2-30+ U-15N, 75 mg lipid mixture (DOPC:DOPG, 9:1) | 7.0 | ambient | 293 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 700 |
NMR Refinement | ||
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Method | Details | Software |
Direct structural fitting of 2D solid-state NMR data | This structure was calculated by using a structural fitting algorithm that finds torsion angles between consecutive residues based on their NMR frequencies | NMRPipe |
NMR Ensemble Information | |
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Conformer Selection Criteria | minimized average structure |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 1 |
Representative Model | 1 (minimized average structure) |
Additional NMR Experimental Information | |
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Details | PISEMA: Polarization Inversion Spin Exchange at the Magic Angle |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | processing | NMRPipe | 2.1 | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer, Bax |
2 | structure solution | Structural Fitting | 1.0 | Nevzorov, Opella |
3 | refinement | Structural Fitting | 1.0 | Nevzorov, Opella |