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Structure and Synthesis of a Lipid-Containing Bacteriophage. Chemical Modifications of Bacteriophage PM2 and the Resulting Alterations in Acyl-Chain Motion in the PM2 Membrane
| Content Provider | Scilit |
|---|---|
| Author | Schäfer, Rolf Huber, Ursula Franklin, Richard M. Seelig, Joachim |
| Copyright Year | 1975 |
| Description | Journal: Journal of Biological Inorganic Chemistry The nucleocapsid proteins of bacteriophage PM2 and the inner lamella of the lipid bilayer, containing most of the phosphatidlethanolamine residues, were selectively cross-linked in the presence of 0.1-0.5% glutaraldehyde, 5 mM dimethylsuberimidate, or 0.05% toluene 2,4-diisocyanate. The biological activity (p.f.u.) of PM2 modified by these reagents decreased 10(6)-fold in all cases. The spike and coat proteins were selectively cross-linked in the presence of 7.5 mM N,N'-p-phenylenedimaleimide. The biological activity of virus modified by this reagen was unaffected. The electron paramagnetic resonance spectra of fatty acid spin labels incorporated into native and chemically modified viral membranes were qualitatively similar but show quantitative differences. Fixation with glutaraldehyde increased the rigidity of the membrane while Triton X-100 induced a more flexible structure. There was no change in the electron paramagnetic resonance spectrum of virus treated with N,N'-p-phenylenedimaleimide, however. |
| Related Links | http://onlinelibrary.wiley.com/doi/10.1111/j.1432-1033.1975.tb02375.x/pdf |
| Ending Page | 296 |
| Page Count | 6 |
| Starting Page | 291 |
| ISSN | 09498257 |
| e-ISSN | 14321327 |
| DOI | 10.1111/j.1432-1033.1975.tb02375.x |
| Journal | Journal of Biological Inorganic Chemistry |
| Issue Number | 2 |
| Volume Number | 58 |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher Date | 1975-10-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Biological Inorganic Chemistry Chemical Modifications Chain Motion Acyl Chain Bacteriophage Pm2 Lipid Containing Containing Bacteriophage Resulting Alterations Pm2 Membrane |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biochemistry Inorganic Chemistry |