2wx4

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[[Image:2wx4.png|left|200px]]
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==ASYMMETRIC TRIMER OF THE DROSOPHILA MELANOGASTER DCP1 C-TERMINAL DOMAIN==
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<StructureSection load='2wx4' size='340' side='right' caption='[[2wx4]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2wx4]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2WX4 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2WX4 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2wx3|2wx3]]</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=2wx4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2wx4 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2wx4 RCSB], [http://www.ebi.ac.uk/pdbsum/2wx4 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/wx/2wx4_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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DCP1 stimulates the decapping enzyme DCP2, which removes the mRNA 5' cap structure committing mRNAs to degradation. In multicellular eukaryotes, DCP1-DCP2 interaction is stabilized by additional proteins, including EDC4. However, most information on DCP2 activation stems from studies in S. cerevisiae, which lacks EDC4. Furthermore, DCP1 orthologs from multicellular eukaryotes have a C-terminal extension, absent in fungi. Here, we show that in metazoa, a conserved DCP1 C-terminal domain drives DCP1 trimerization. Crystal structures of the DCP1-trimerization domain reveal an antiparallel assembly comprised of three kinked alpha-helices. Trimerization is required for DCP1 to be incorporated into active decapping complexes and for efficient mRNA decapping in vivo. Our results reveal an unexpected connectivity and complexity of the mRNA decapping network in multicellular eukaryotes, which likely enhances opportunities for regulating mRNA degradation.
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{{STRUCTURE_2wx4| PDB=2wx4 | SCENE= }}
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DCP1 forms asymmetric trimers to assemble into active mRNA decapping complexes in metazoa.,Tritschler F, Braun JE, Motz C, Igreja C, Haas G, Truffault V, Izaurralde E, Weichenrieder O Proc Natl Acad Sci U S A. 2009 Dec 4. PMID:19966221<ref>PMID:19966221</ref>
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===ASYMMETRIC TRIMER OF THE DROSOPHILA MELANOGASTER DCP1 C-TERMINAL 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_19966221}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[2wx4]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2WX4 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:019966221</ref><references group="xtra"/>
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[[Category: Drosophila melanogaster]]
[[Category: Drosophila melanogaster]]
[[Category: Tritschler, F.]]
[[Category: Tritschler, F.]]

Revision as of 01:43, 1 October 2014

ASYMMETRIC TRIMER OF THE DROSOPHILA MELANOGASTER DCP1 C-TERMINAL DOMAIN

2wx4, resolution 2.80Å

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