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| {{STRUCTURE_2e0z| PDB=2e0z | SCENE= }} | | {{STRUCTURE_2e0z| PDB=2e0z | SCENE= }} |
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| '''Crystal structure of virus-like particle from Pyrococcus furiosus'''
| | ===Crystal structure of virus-like particle from Pyrococcus furiosus=== |
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| ==Overview==
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| Pyrococcus furiosus is a hyperthermophilic archaeal microorganism found near deep-sea thermal vents and its optimal growth temperature of 100 degrees C. Recently, a 38.8-kDa protein from P. furiosus DSM 3638 was isolated and characterized. Electron microscopy revealed that this protein aggregated as spheres of approximately 30 nm in diameter, which we designated P. furiosus virus-like particles (PfVs). X-ray crystallographic analysis at 3.6-A resolution revealed that each PfV consisted of 180 copies of the 38.8-kDa protein and retained T=3 icosahedral symmetry, as is often the case in spherical viruses. The total molecular mass of each particle was approximately 7 MDa. An examination of capsid structures suggested strong evolutionary links among PfV, tailed double-stranded DNA bacteriophages, and herpes viruses. The similar three-dimensional structures of the various coat proteins indicate that these viral capsids might have originated and evolved from a common ancestor. The structure of PfV provides a previously undescribed example of viral relationships across the three domains of life (Eukarya, Bacteria, and Archaea).
| | The line below this paragraph, {{ABSTRACT_PUBMED_17397865}}, adds the Publication Abstract to the page |
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| | {{ABSTRACT_PUBMED_17397865}} |
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| ==About this Structure== | | ==About this Structure== |
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| [[Category: Virus]] | | [[Category: Virus]] |
| [[Category: Virus-like particle]] | | [[Category: Virus-like particle]] |
| ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 01:43:41 2008'' | | |
| | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 12:40:38 2008'' |
