5anr

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==4E-T - DDX6 - CNOT1 complex==
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<StructureSection load='5anr' size='340' side='right' caption='[[5anr]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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==Structure of a human 4E-T - DDX6 - CNOT1 complex==
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<StructureSection load='5anr' size='340' side='right'caption='[[5anr]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5anr]] is a 3 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5ANR OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5ANR FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5anr]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5ANR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5ANR FirstGlance]. <br>
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</td></tr><tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/RNA_helicase RNA helicase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.6.4.13 3.6.4.13] </span></td></tr>
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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]] 2.102&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5anr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5anr OCA], [http://pdbe.org/5anr PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5anr RCSB], [http://www.ebi.ac.uk/pdbsum/5anr PDBsum]</span></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=5anr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5anr OCA], [https://pdbe.org/5anr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5anr RCSB], [https://www.ebi.ac.uk/pdbsum/5anr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5anr ProSAT]</span></td></tr>
</table>
</table>
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== Disease ==
 
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[[http://www.uniprot.org/uniprot/4ET_HUMAN 4ET_HUMAN]] Primary ovarian failure. [[http://www.uniprot.org/uniprot/DDX6_HUMAN DDX6_HUMAN]] Note=A chromosomal aberration involving DDX6 may be a cause of hematopoietic tumors such as B-cell lymphomas. Translocation t(11;14)(q23;q32).
 
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/CNOT1_HUMAN CNOT1_HUMAN]] Belongs to the CCR4-NOT complex that functions as general transcription regulation complex. Acts as a transcriptional repressor. Represses the ligand-dependent transcriptional activation by nuclear receptors.<ref>PMID:10637334</ref> <ref>PMID:16778766</ref> [[http://www.uniprot.org/uniprot/4ET_HUMAN 4ET_HUMAN]] Nucleoplasmic shuttling protein. Mediates the nuclear import of EIF4E by a piggy-back mechanism. [[http://www.uniprot.org/uniprot/DDX6_HUMAN DDX6_HUMAN]] In the process of mRNA degradation, may play a role in mRNA decapping.
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[https://www.uniprot.org/uniprot/CNOT1_HUMAN CNOT1_HUMAN] Belongs to the CCR4-NOT complex that functions as general transcription regulation complex. Acts as a transcriptional repressor. Represses the ligand-dependent transcriptional activation by nuclear receptors.<ref>PMID:10637334</ref> <ref>PMID:16778766</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The DEAD-box protein DDX6 is a central component of translational repression mechanisms in maternal mRNA storage in oocytes and microRNA-mediated silencing in somatic cells. DDX6 interacts with the CCR4-NOT complex and functions in concert with several post-transcriptional regulators, including Edc3, Pat1, and 4E-T. We show that the conserved CUP-homology domain (CHD) of human 4E-T interacts directly with DDX6 in both the presence and absence of the central MIF4G domain of CNOT1. The 2.1-A resolution structure of the corresponding ternary complex reveals how 4E-T CHD wraps around the RecA2 domain of DDX6 and contacts CNOT1. Although 4E-T CHD lacks recognizable sequence similarity with Edc3 or Pat1, it shares the same DDX6-binding surface. In contrast to 4E-T, however, the Edc3 and Pat1 FDF motifs dissociate from DDX6 upon CNOT1 MIF4G binding in vitro. The results underscore the presence of a complex network of simultaneous and/or mutually exclusive interactions in DDX6-mediated repression.
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Structure of a Human 4E-T/DDX6/CNOT1 Complex Reveals the Different Interplay of DDX6-Binding Proteins with the CCR4-NOT Complex.,Ozgur S, Basquin J, Kamenska A, Filipowicz W, Standart N, Conti E Cell Rep. 2015 Oct 27;13(4):703-11. doi: 10.1016/j.celrep.2015.09.033. Epub 2015 , Oct 17. PMID:26489469<ref>PMID:26489469</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 5anr" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: RNA helicase]]
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[[Category: Homo sapiens]]
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[[Category: Basquin, J]]
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[[Category: Large Structures]]
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[[Category: Conti, E]]
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[[Category: Basquin J]]
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[[Category: Oezguer, S]]
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[[Category: Conti E]]
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[[Category: Rna binding protein]]
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[[Category: Oezguer S]]

Current revision

Structure of a human 4E-T - DDX6 - CNOT1 complex

PDB ID 5anr

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