1u04

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[[Image:1u04.png|left|200px]]
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==Crystal structure of full length Argonaute from Pyrococcus furiosus==
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<StructureSection load='1u04' size='340' side='right' caption='[[1u04]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1u04]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pyrococcus_furiosus Pyrococcus furiosus]. The February 2008 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Small Interfering RNA'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2008_2 10.2210/rcsb_pdb/mom_2008_2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1U04 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1U04 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></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=1u04 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1u04 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1u04 RCSB], [http://www.ebi.ac.uk/pdbsum/1u04 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/u0/1u04_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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Argonaute proteins and small interfering RNAs (siRNAs) are the known signature components of the RNA interference effector complex RNA-induced silencing complex (RISC). However, the identity of "Slicer," the enzyme that cleaves the messenger RNA (mRNA) as directed by the siRNA, has not been resolved. Here, we report the crystal structure of the Argonaute protein from Pyrococcus furiosus at 2.25 angstrom resolution. The structure reveals a crescent-shaped base made up of the amino-terminal, middle, and PIWI domains. The Piwi Argonaute Zwille (PAZ) domain is held above the base by a "stalk"-like region. The PIWI domain (named for the protein piwi) is similar to ribonuclease H, with a conserved active site aspartate-aspartate-glutamate motif, strongly implicating Argonaute as "Slicer." The architecture of the molecule and the placement of the PAZ and PIWI domains define a groove for substrate binding and suggest a mechanism for siRNA-guided mRNA cleavage.
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{{STRUCTURE_1u04| PDB=1u04 | SCENE= }}
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Crystal structure of Argonaute and its implications for RISC slicer activity.,Song JJ, Smith SK, Hannon GJ, Joshua-Tor L Science. 2004 Sep 3;305(5689):1434-7. Epub 2004 Jul 29. PMID:15284453<ref>PMID:15284453</ref>
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===Crystal structure of full length Argonaute from Pyrococcus furiosus===
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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_15284453}}
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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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[[1u04]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pyrococcus_furiosus Pyrococcus furiosus]. The February 2008 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Small Interfering RNA'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2008_2 10.2210/rcsb_pdb/mom_2008_2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1U04 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:015284453</ref><references group="xtra"/>
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[[Category: Pyrococcus furiosus]]
[[Category: Pyrococcus furiosus]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]

Revision as of 21:55, 29 September 2014

Crystal structure of full length Argonaute from Pyrococcus furiosus

1u04, resolution 2.25Å

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