1h7z

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[[Image:1h7z.jpg|left|200px]]
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{{Structure
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The line below this paragraph, containing "STRUCTURE_1h7z", creates the "Structure Box" on the page.
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1h7z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1h7z OCA], [http://www.ebi.ac.uk/pdbsum/1h7z PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1h7z RCSB]</span>
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'''ADENOVIRUS AD3 FIBRE HEAD'''
'''ADENOVIRUS AD3 FIBRE HEAD'''
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[[Category: Schoehn, G.]]
[[Category: Schoehn, G.]]
[[Category: Stehlin, C.]]
[[Category: Stehlin, C.]]
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[[Category: ad3]]
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[[Category: Ad3]]
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[[Category: adenovirus]]
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[[Category: Adenovirus]]
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[[Category: fibre]]
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[[Category: Fibre]]
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[[Category: receptor]]
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[[Category: Receptor]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 18:33:02 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 20:59:39 2008''
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Revision as of 15:33, 2 May 2008

Image:1h7z.jpg

Template:STRUCTURE 1h7z

ADENOVIRUS AD3 FIBRE HEAD


Overview

Adenoviruses of serotype Ad3 (subgenus B) use a still-unknown host cell receptor for viral attachment, whereas viruses from all other known subgenera use the coxsackie and adenovirus receptor (CAR). The receptor binding domain (head) of the Ad3 fiber protein has been expressed in Escherichia coli inclusion bodies. After denaturation and renaturation using a rapid dilution method, crystals of trimeric head were obtained. The 1.6 A resolution X-ray structure shows a strict conservation of the beta-sheet scaffold of the protein very similar to the head structures of the CAR-binding serotypes Ad2, Ad5, and Ad12. The conformation of the loops is different, with the exception of the AB loop, which forms the center of the interface in the Ad12-CAR complex structure. The structure explains why a mutation in Ad5 of one residue in the AB loop to glutamic acid, as in Ad3, abrogates binding to CAR. It is possible that the Ad3 receptor binding site is nevertheless situated similar to the CAR binding site, although it cannot be excluded that other regions of the relatively hydrophobic head surface may be used.

About this Structure

1H7Z is a Single protein structure of sequence from Human adenovirus 3. Full crystallographic information is available from OCA.

Reference

Structure of the fiber head of Ad3, a non-CAR-binding serotype of adenovirus., Durmort C, Stehlin C, Schoehn G, Mitraki A, Drouet E, Cusack S, Burmeister WP, Virology. 2001 Jul 5;285(2):302-12. PMID:11437664 Page seeded by OCA on Fri May 2 18:33:02 2008

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