1yvu

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{{Seed}}
 
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[[Image:1yvu.png|left|200px]]
 
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==Crystal structure of A. aeolicus Argonaute==
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The line below this paragraph, containing "STRUCTURE_1yvu", creates the "Structure Box" on the page.
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<StructureSection load='1yvu' size='340' side='right'caption='[[1yvu]], [[Resolution|resolution]] 2.90&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1yvu]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Aquifex_aeolicus_VF5 Aquifex aeolicus VF5]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YVU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1YVU FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.9&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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{{STRUCTURE_1yvu| PDB=1yvu | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1yvu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yvu OCA], [https://pdbe.org/1yvu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1yvu RCSB], [https://www.ebi.ac.uk/pdbsum/1yvu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1yvu ProSAT]</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/yv/1yvu_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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/main_output.php?pdb_ID=1yvu 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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Argonaute (Ago) proteins constitute a key component of the RNA-induced silencing complex (RISC). We report the crystal structure of Aquifex aeolicus Ago (Aa-Ago) together with binding and cleavage studies, which establish this eubacterial Ago as a bona fide guide DNA strand-mediated site-specific RNA endonuclease. We have generated a stereochemically robust model of the complex, where the guide DNA-mRNA duplex is positioned within a basic channel spanning the bilobal interface, such that the 5' phosphate of the guide strand can be anchored in a basic pocket, and the mRNA can be positioned for site-specific cleavage by RNase H-type divalent cation-coordinated catalytic Asp residues of the PIWI domain. Domain swap experiments involving chimeras of human Ago (hAgo1) and cleavage-competent hAgo2 reinforce the role of the PIWI domain in "slicer" activity. We propose a four-step Ago-mediated catalytic cleavage cycle model, which provides distinct perspectives into the mechanism of guide strand-mediated mRNA cleavage within the RISC.
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===Crystal structure of A. aeolicus Argonaute===
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Crystal structure of A. aeolicus argonaute, a site-specific DNA-guided endoribonuclease, provides insights into RISC-mediated mRNA cleavage.,Yuan YR, Pei Y, Ma JB, Kuryavyi V, Zhadina M, Meister G, Chen HY, Dauter Z, Tuschl T, Patel DJ Mol Cell. 2005 Aug 5;19(3):405-19. PMID:16061186<ref>PMID:16061186</ref>
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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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The line below this paragraph, {{ABSTRACT_PUBMED_16061186}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1yvu" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 16061186 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_16061186}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Aquifex aeolicus VF5]]
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1YVU is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Aquifex_aeolicus_vf5 Aquifex aeolicus vf5]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YVU OCA].
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[[Category: Large Structures]]
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[[Category: Chen HY]]
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==Reference==
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[[Category: Dauter Z]]
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Crystal structure of A. aeolicus argonaute, a site-specific DNA-guided endoribonuclease, provides insights into RISC-mediated mRNA cleavage., Yuan YR, Pei Y, Ma JB, Kuryavyi V, Zhadina M, Meister G, Chen HY, Dauter Z, Tuschl T, Patel DJ, Mol Cell. 2005 Aug 5;19(3):405-19. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16061186 16061186]
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[[Category: Kuryavyi V]]
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[[Category: Aquifex aeolicus vf5]]
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[[Category: Ma JB]]
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[[Category: Single protein]]
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[[Category: Meister G]]
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[[Category: Chen, H Y.]]
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[[Category: Patel DJ]]
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[[Category: Dauter, Z.]]
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[[Category: Pei Y]]
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[[Category: Kuryavyi, V.]]
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[[Category: Tuschl T]]
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[[Category: Ma, J B.]]
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[[Category: Yuan YR]]
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[[Category: Meister, G.]]
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[[Category: Zhadina M]]
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[[Category: Patel, D J.]]
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[[Category: Pei, Y.]]
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[[Category: Tuschl, T.]]
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[[Category: Yuan, Y R.]]
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[[Category: Zhadina, M.]]
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[[Category: Rnase h fold]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 23:51:35 2008''
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Current revision

Crystal structure of A. aeolicus Argonaute

PDB ID 1yvu

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