2rg8

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{{Seed}}
 
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[[Image:2rg8.png|left|200px]]
 
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==Crystal Structure of Programmed for Cell Death 4 Middle MA3 domain==
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The line below this paragraph, containing "STRUCTURE_2rg8", creates the "Structure Box" on the page.
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<StructureSection load='2rg8' size='340' side='right'caption='[[2rg8]], [[Resolution|resolution]] 1.80&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'>[[2rg8]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2RG8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2RG8 FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene></td></tr>
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<tr id='NonStdRes'><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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{{STRUCTURE_2rg8| PDB=2rg8 | SCENE= }}
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PDCD4, H731 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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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=2rg8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2rg8 OCA], [https://pdbe.org/2rg8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2rg8 RCSB], [https://www.ebi.ac.uk/pdbsum/2rg8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2rg8 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[[https://www.uniprot.org/uniprot/PDCD4_HUMAN PDCD4_HUMAN]] Inhibits translation initiation and cap-dependent translation. May excert its function by hindering the interaction between EIF4A1 and EIF4G. Inhibits the helicase activity of EIF4A. Modulates the activation of JUN kinase. Down-regulates the expression of MAP4K1, thus inhibiting events important in driving invasion, namely, MAPK85 activation and consequent JUN-dependent transcription. May play a role in apoptosis. Tumor suppressor. Inhibits tumor promoter-induced neoplastic transformation. Binds RNA (By similarity).<ref>PMID:16357133</ref> <ref>PMID:16449643</ref> <ref>PMID:17053147</ref> <ref>PMID:18296639</ref> <ref>PMID:19153607</ref> <ref>PMID:19204291</ref>
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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/rg/2rg8_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/main_output.php?pdb_ID=2rg8 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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Programmed Cell Death 4 (PDCD4) is a protein known to bind eukaryotic initiation factor 4A (eIF4A), inhibit translation initiation, and act as a tumor suppressor. PDCD4 contains two C-terminal MA3 domains, which are thought to be responsible for its inhibitory function. Here, we analyze the structures and inhibitory functions of these two PDCD4 MA3 domains by x-ray crystallography, NMR, and surface plasmon resonance. We show that both MA3 domains are structurally and functionally very similar and bind specifically to the eIF4A N-terminal domain (eIF4A-NTD) using similar binding interfaces. We found that the PDCD4 MA3 domains compete with the eIF4G MA3 domain and RNA for eIF4A binding. Our data provide evidence that PDCD4 inhibits translation initiation by displacing eIF4G and RNA from eIF4A. The PDCD4 MA3 domains act synergistically to form a tighter and more stable complex with eIF4A, which explains the need for two tandem MA3 domains.
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===Crystal Structure of Programmed for Cell Death 4 Middle MA3 domain===
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PDCD4 inhibits translation initiation by binding to eIF4A using both its MA3 domains.,Suzuki C, Garces RG, Edmonds KA, Hiller S, Hyberts SG, Marintchev A, Wagner G Proc Natl Acad Sci U S A. 2008 Feb 22;. PMID:18296639<ref>PMID:18296639</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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<div class="pdbe-citations 2rg8" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_18296639}}, adds the Publication Abstract to the page
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*[[Cell death protein 3D structures|Cell death protein 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 18296639 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_18296639}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Human]]
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2RG8 is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2RG8 OCA].
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[[Category: Large Structures]]
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[[Category: Garces, R]]
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==Reference==
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[[Category: Suzuki, C]]
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<ref group="xtra">PMID:18296639</ref><references group="xtra"/>
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[[Category: Wagner, G]]
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[[Category: Homo sapiens]]
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[[Category: Garces, R.]]
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[[Category: Suzuki, C.]]
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[[Category: Wagner, G.]]
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[[Category: Anti-oncogene]]
[[Category: Anti-oncogene]]
[[Category: Apoptosis]]
[[Category: Apoptosis]]
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[[Category: Rna-binding]]
[[Category: Rna-binding]]
[[Category: Translation]]
[[Category: Translation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 18:41:23 2009''
 

Current revision

Crystal Structure of Programmed for Cell Death 4 Middle MA3 domain

PDB ID 2rg8

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