2iun

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{{STRUCTURE_2iun| PDB=2iun | SCENE= }}
{{STRUCTURE_2iun| PDB=2iun | SCENE= }}
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'''STRUCTURE OF THE C-TERMINAL HEAD DOMAIN OF THE AVIAN ADENOVIRUS CELO LONG FIBRE (P21 CRYSTAL FORM)'''
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===STRUCTURE OF THE C-TERMINAL HEAD DOMAIN OF THE AVIAN ADENOVIRUS CELO LONG FIBRE (P21 CRYSTAL FORM)===
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==Overview==
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Avian adenovirus CELO (chicken embryo lethal orphan virus, fowl adenovirus type 1) incorporates two different homotrimeric fiber proteins extending from the same penton base: a long fiber (designated fiber 1) and a short fiber (designated fiber 2). The short fibers extend straight outwards from the viral vertices, whilst the long fibers emerge at an angle. In contrast to the short fiber, which binds an unknown avian receptor and has been shown to be essential to the invasiveness of this virus, the long fiber appears to be unnecessary for infection in birds. Both fibers contain a short N-terminal virus-binding peptide, a slender shaft domain and a globular C-terminal head domain; the head domain, by analogy with human adenoviruses, is likely to be involved mainly in receptor binding. This study reports the high-resolution crystal structure of the head domain of the long fiber, solved using single isomorphous replacement (using anomalous signal) and refined against data at 1.6 A (0.16 nm) resolution. The C-terminal globular head domain had an anti-parallel beta-sandwich fold formed by two four-stranded beta-sheets with the same overall topology as human adenovirus fiber heads. The presence in the sequence of characteristic repeats N-terminal to the head domain suggests that the shaft domain contains a triple beta-spiral structure. Implications of the structure for the function and stability of the avian adenovirus long fiber protein are discussed; notably, the structure suggests a different mode of binding to the coxsackievirus and adenovirus receptor from that proposed for the human adenovirus fiber heads.
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{{ABSTRACT_PUBMED_17698649}}
==About this Structure==
==About this Structure==
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==Reference==
==Reference==
Structure of the C-terminal head domain of the fowl adenovirus type 1 long fiber., Guardado-Calvo P, Llamas-Saiz AL, Fox GC, Langlois P, van Raaij MJ, J Gen Virol. 2007 Sep;88(Pt 9):2407-16. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17698649 17698649]
Structure of the C-terminal head domain of the fowl adenovirus type 1 long fiber., Guardado-Calvo P, Llamas-Saiz AL, Fox GC, Langlois P, van Raaij MJ, J Gen Virol. 2007 Sep;88(Pt 9):2407-16. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17698649 17698649]
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Crystallization of the C-terminal head domain of the avian adenovirus CELO long fibre., Guardado Calvo P, Llamas-Saiz AL, Langlois P, van Raaij MJ, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2006 May 1;62(Pt, 5):449-52. Epub 2006 Apr 12. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16682773 16682773]
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The complete DNA sequence and genomic organization of the avian adenovirus CELO., Chiocca S, Kurzbauer R, Schaffner G, Baker A, Mautner V, Cotten M, J Virol. 1996 May;70(5):2939-49. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8627769 8627769]
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The avian adenovirus penton: two fibres and one base., Hess M, Cuzange A, Ruigrok RW, Chroboczek J, Jacrot B, J Mol Biol. 1995 Sep 29;252(4):379-85. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7563058 7563058]
[[Category: Fowl adenovirus 1]]
[[Category: Fowl adenovirus 1]]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: Viral fibre]]
[[Category: Viral fibre]]
[[Category: Viral protein]]
[[Category: Viral protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 07:54:13 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 10:27:03 2008''

Revision as of 07:27, 29 July 2008

Image:2iun.png

Template:STRUCTURE 2iun

STRUCTURE OF THE C-TERMINAL HEAD DOMAIN OF THE AVIAN ADENOVIRUS CELO LONG FIBRE (P21 CRYSTAL FORM)

Template:ABSTRACT PUBMED 17698649

About this Structure

2IUN is a Single protein structure of sequence from Fowl adenovirus 1. Full crystallographic information is available from OCA.

Reference

Structure of the C-terminal head domain of the fowl adenovirus type 1 long fiber., Guardado-Calvo P, Llamas-Saiz AL, Fox GC, Langlois P, van Raaij MJ, J Gen Virol. 2007 Sep;88(Pt 9):2407-16. PMID:17698649

Crystallization of the C-terminal head domain of the avian adenovirus CELO long fibre., Guardado Calvo P, Llamas-Saiz AL, Langlois P, van Raaij MJ, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2006 May 1;62(Pt, 5):449-52. Epub 2006 Apr 12. PMID:16682773

The complete DNA sequence and genomic organization of the avian adenovirus CELO., Chiocca S, Kurzbauer R, Schaffner G, Baker A, Mautner V, Cotten M, J Virol. 1996 May;70(5):2939-49. PMID:8627769

The avian adenovirus penton: two fibres and one base., Hess M, Cuzange A, Ruigrok RW, Chroboczek J, Jacrot B, J Mol Biol. 1995 Sep 29;252(4):379-85. PMID:7563058

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