1tja

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[[Image:1tja.gif|left|200px]]
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{{Seed}}
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[[Image:1tja.png|left|200px]]
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{{STRUCTURE_1tja| PDB=1tja | SCENE= }}
{{STRUCTURE_1tja| PDB=1tja | SCENE= }}
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'''Fitting of gp8, gp9, and gp11 into the cryo-EM reconstruction of the bacteriophage T4 contracted tail'''
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===Fitting of gp8, gp9, and gp11 into the cryo-EM reconstruction of the bacteriophage T4 contracted tail===
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==Overview==
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The contractile tail of bacteriophage T4 undergoes major structural transitions when the virus attaches to the host cell surface. The baseplate at the distal end of the tail changes from a hexagonal to a star shape. This causes the sheath around the tail tube to contract and the tail tube to protrude from the baseplate and pierce the outer cell membrane and the cell wall before reaching the inner cell membrane for subsequent viral DNA injection. Analogously, the T4 tail can be contracted by treatment with 3 M urea. The structure of the T4 contracted tail, including the head-tail joining region, has been determined by cryo-electron microscopy to 17 A resolution. This 1200 A-long, 20 MDa structure has been interpreted in terms of multiple copies of its approximately 20 component proteins. A comparison with the metastable hexagonal baseplate of the mature virus shows that the baseplate proteins move as rigid bodies relative to each other during the structural change.
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The line below this paragraph, {{ABSTRACT_PUBMED_15315755}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 15315755 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15315755}}
==About this Structure==
==About this Structure==
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[[Category: Gp8]]
[[Category: Gp8]]
[[Category: Gp9]]
[[Category: Gp9]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 10:00:48 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 06:47:17 2008''

Revision as of 03:47, 28 July 2008

Image:1tja.png

Template:STRUCTURE 1tja

Fitting of gp8, gp9, and gp11 into the cryo-EM reconstruction of the bacteriophage T4 contracted tail

Template:ABSTRACT PUBMED 15315755

About this Structure

1TJA is a Protein complex structure of sequences from Enterobacteria phage t4. Full crystallographic information is available from OCA.

Reference

Three-dimensional rearrangement of proteins in the tail of bacteriophage T4 on infection of its host., Leiman PG, Chipman PR, Kostyuchenko VA, Mesyanzhinov VV, Rossmann MG, Cell. 2004 Aug 20;118(4):419-29. PMID:15315755

Page seeded by OCA on Mon Jul 28 06:47:17 2008

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