1vyn

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[[Image:1vyn.png|left|200px]]
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==STRUCTURE AND NUCLEIC ACID BINDING OF THE DROSOPHILA ARGONAUTE2 PAZ DOMAIN==
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<StructureSection load='1vyn' size='340' side='right' caption='[[1vyn]], [[NMR_Ensembles_of_Models | 10 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1vyn]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1upo 1upo]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1VYN OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1VYN FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1r6z|1r6z]]</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1vyn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1vyn OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1vyn RCSB], [http://www.ebi.ac.uk/pdbsum/1vyn PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/vy/1vyn_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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RNA interference is a conserved mechanism that regulates gene expression in response to the presence of double-stranded (ds)RNAs. The RNase III-like enzyme Dicer first cleaves dsRNA into 21-23-nucleotide small interfering RNAs (siRNAs). In the effector step, the multimeric RNA-induced silencing complex (RISC) identifies messenger RNAs homologous to the siRNAs and promotes their degradation. The Argonaute 2 protein (Ago2) is a critical component of RISC. Both Argonaute and Dicer family proteins contain a common PAZ domain whose function is unknown. Here we present the three-dimensional nuclear magnetic resonance structure of the Drosophila melanogaster Ago2 PAZ domain. This domain adopts a nucleic-acid-binding fold that is stabilized by conserved hydrophobic residues. The nucleic-acid-binding patch is located in a cleft between the surface of a central beta-barrel and a conserved module comprising strands beta3, beta4 and helix alpha3. Because critical structural residues and the binding surface are conserved, we suggest that PAZ domains in all members of the Argonaute and Dicer families adopt a similar fold with nucleic-acid binding function, and that this plays an important part in gene silencing.
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{{STRUCTURE_1vyn| PDB=1vyn | SCENE= }}
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Structure and nucleic-acid binding of the Drosophila Argonaute 2 PAZ domain.,Lingel A, Simon B, Izaurralde E, Sattler M Nature. 2003 Nov 27;426(6965):465-9. Epub 2003 Nov 16. PMID:14615801<ref>PMID:14615801</ref>
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===STRUCTURE AND NUCLEIC ACID BINDING OF THE DROSOPHILA ARGONAUTE2 PAZ DOMAIN===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_14615801}}
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==See Also==
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*[[Argonaute|Argonaute]]
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==About this Structure==
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== References ==
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[[1vyn]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1upo 1upo]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1VYN OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:014615801</ref><references group="xtra"/>
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[[Category: Drosophila melanogaster]]
[[Category: Drosophila melanogaster]]
[[Category: Izaurralde, E.]]
[[Category: Izaurralde, E.]]

Revision as of 21:22, 29 September 2014

STRUCTURE AND NUCLEIC ACID BINDING OF THE DROSOPHILA ARGONAUTE2 PAZ DOMAIN

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