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1ucu

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[[Image:1ucu.gif|left|200px]]
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{{Seed}}
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[[Image:1ucu.png|left|200px]]
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{{STRUCTURE_1ucu| PDB=1ucu | SCENE= }}
{{STRUCTURE_1ucu| PDB=1ucu | SCENE= }}
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'''R-type straight flagellar filament made of full-length flagellin'''
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===R-type straight flagellar filament made of full-length flagellin===
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==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.
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The line below this paragraph, {{ABSTRACT_PUBMED_12904785}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 12904785 is the PubMed ID number.
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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]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 11:03:05 2008''
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''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

Image: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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