1ucu: Difference between revisions

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[[Image:1ucu.gif|left|200px]]
{{Seed}}
[[Image:1ucu.png|left|200px]]


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{{STRUCTURE_1ucu|  PDB=1ucu  |  SCENE=  }}  
{{STRUCTURE_1ucu|  PDB=1ucu  |  SCENE=  }}  


'''R-type straight flagellar filament made of full-length flagellin'''
===R-type straight flagellar filament made of full-length flagellin===




==Overview==
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The bacterial flagellar filament is a helical propeller for bacterial locomotion. It is a helical assembly of a single protein, flagellin, and its tubular structure is formed by 11 protofilaments in two distinct conformations, L- and R-type, for supercoiling. The X-ray crystal structure of a flagellin fragment lacking about 100 terminal residues revealed the protofilament structure, but the full filament structure is still essential for understanding the mechanism of supercoiling and polymerization. Here we report a complete atomic model of the R-type filament by electron cryomicroscopy. A density map obtained from image data up to 4 A resolution shows the feature of alpha-helical backbone and some large side chains. The atomic model built on the map reveals intricate molecular packing and an alpha-helical coiled coil formed by the terminal chains in the inner core of the filament, with its intersubunit hydrophobic interactions having an important role in stabilizing the filament.
The line below this paragraph, {{ABSTRACT_PUBMED_12904785}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_12904785}}


==About this Structure==
==About this Structure==
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[[Category: Flagellin]]
[[Category: Flagellin]]
[[Category: Helical reconstruction]]
[[Category: Helical reconstruction]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 11:03:05 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 07:00:38 2008''

Revision as of 04:00, 28 July 2008

File:1ucu.png

Template:STRUCTURE 1ucu

R-type straight flagellar filament made of full-length flagellin

Template:ABSTRACT PUBMED 12904785

About this Structure

1UCU is a Single protein structure of sequence from Salmonella typhimurium. Full crystallographic information is available from OCA.

Reference

Complete atomic model of the bacterial flagellar filament by electron cryomicroscopy., Yonekura K, Maki-Yonekura S, Namba K, Nature. 2003 Aug 7;424(6949):643-50. PMID:12904785

Page seeded by OCA on Mon Jul 28 07:00:38 2008

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