2az2

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{{STRUCTURE_2az2| PDB=2az2 | SCENE= }}
{{STRUCTURE_2az2| PDB=2az2 | SCENE= }}
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'''Flock House virus B2-dsRNA Complex (P4122)'''
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===Flock House virus B2-dsRNA Complex (P4122)===
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==Overview==
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As a counter-defense against antiviral RNA silencing during infection, the insect Flock House virus (FHV) expresses the silencing suppressor protein B2. Biochemical experiments show that B2 binds to double-stranded RNA (dsRNA) without regard to length and inhibits cleavage of dsRNA by Dicer in vitro. A cocrystal structure reveals that a B2 dimer forms a four-helix bundle that binds to one face of an A-form RNA duplex independently of sequence. These results suggest that B2 blocks both cleavage of the FHV genome by Dicer and incorporation of FHV small interfering RNAs into the RNA-induced silencing complex.
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{{ABSTRACT_PUBMED_16228003}}
==About this Structure==
==About this Structure==
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[[Category: Four-helix bundle]]
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[[Category: Protein-rna complex]]
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Revision as of 07:58, 29 July 2008

Image:2az2.png

Template:STRUCTURE 2az2

Flock House virus B2-dsRNA Complex (P4122)

Template:ABSTRACT PUBMED 16228003

About this Structure

2AZ2 is a Single protein structure of sequence from Flock house virus. Full crystallographic information is available from OCA.

Reference

Dual modes of RNA-silencing suppression by Flock House virus protein B2., Chao JA, Lee JH, Chapados BR, Debler EW, Schneemann A, Williamson JR, Nat Struct Mol Biol. 2005 Nov;12(11):952-7. PMID:16228003

Page seeded by OCA on Tue Jul 29 10:58:46 2008

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