2bsg

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{{STRUCTURE_2bsg| PDB=2bsg | SCENE= }}
{{STRUCTURE_2bsg| PDB=2bsg | SCENE= }}
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'''THE MODELED STRUCTURE OF FIBRITIN (GPWAC) OF BACTERIOPHAGE T4 BASED ON CRYO-EM RECONSTRUCTION OF THE EXTENDED TAIL OF BACTERIOPHAGE T4'''
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===THE MODELED STRUCTURE OF FIBRITIN (GPWAC) OF BACTERIOPHAGE T4 BASED ON CRYO-EM RECONSTRUCTION OF THE EXTENDED TAIL OF BACTERIOPHAGE T4===
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==Overview==
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Bacteriophage T4 and related viruses have a contractile tail that serves as an efficient mechanical device for infecting bacteria. A three-dimensional cryo-EM reconstruction of the mature T4 tail assembly at 15-A resolution shows the hexagonal dome-shaped baseplate, the extended contractile sheath, the long tail fibers attached to the baseplate and the collar formed by six whiskers that interact with the long tail fibers. Comparison with the structure of the contracted tail shows that tail contraction is associated with a substantial rearrangement of the domains within the sheath protein and results in shortening of the sheath to about one-third of its original length. During contraction, the tail tube extends beneath the baseplate by about one-half of its total length and rotates by 345 degrees , allowing it to cross the host's periplasmic space.
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(as it appears on PubMed at http://www.pubmed.gov), where 16116440 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16116440}}
==About this Structure==
==About this Structure==
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[[Category: Structural protein]]
[[Category: Structural protein]]
[[Category: Viral protein]]
[[Category: Viral protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 20:44:13 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 20:23:14 2008''

Revision as of 17:23, 28 July 2008

Image:2bsg.png

Template:STRUCTURE 2bsg

THE MODELED STRUCTURE OF FIBRITIN (GPWAC) OF BACTERIOPHAGE T4 BASED ON CRYO-EM RECONSTRUCTION OF THE EXTENDED TAIL OF BACTERIOPHAGE T4

Template:ABSTRACT PUBMED 16116440

About this Structure

2BSG is a Single protein structure of sequence from Enterobacteria phage t4. Full crystallographic information is available from OCA.

Reference

The tail structure of bacteriophage T4 and its mechanism of contraction., Kostyuchenko VA, Chipman PR, Leiman PG, Arisaka F, Mesyanzhinov VV, Rossmann MG, Nat Struct Mol Biol. 2005 Sep;12(9):810-3. Epub 2005 Aug 14. PMID:16116440

Page seeded by OCA on Mon Jul 28 20:23:14 2008

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