3le4

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{{Seed}}
 
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[[Image:3le4.jpg|left|200px]]
 
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==Crystal structure of the DGCR8 dimerization domain==
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The line below this paragraph, containing "STRUCTURE_3le4", creates the "Structure Box" on the page.
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<StructureSection load='3le4' size='340' side='right'caption='[[3le4]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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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'>[[3le4]] is a 1 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=3LE4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3LE4 FirstGlance]. <br>
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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]] 1.701&#8491;</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=3le4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3le4 OCA], [https://pdbe.org/3le4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3le4 RCSB], [https://www.ebi.ac.uk/pdbsum/3le4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3le4 ProSAT]</span></td></tr>
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{{STRUCTURE_3le4| PDB=3le4 | SCENE= }}
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</table>
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== Function ==
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===Crystal structure of the DGCR8 dimerization domain===
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[https://www.uniprot.org/uniprot/DGCR8_HUMAN DGCR8_HUMAN] Component of the microprocessor complex that acts as a RNA- and heme-binding protein that is involved in the initial step of microRNA (miRNA) biogenesis. Component of the microprocessor complex that is required to process primary miRNA transcripts (pri-miRNAs) to release precursor miRNA (pre-miRNA) in the nucleus. Within the microprocessor complex, DGCR8 function as a molecular anchor necessary for the recognition of pri-miRNA at dsRNA-ssRNA junction and directs DROSHA to cleave 11 bp away form the junction to release hairpin-shaped pre-miRNAs that are subsequently cut by the cytoplasmic DICER to generate mature miRNAs. The heme-bound DGCR8 dimer binds pri-miRNAs as a cooperative trimer (of dimers) and is active in triggering pri-miRNA cleavage, whereas the heme-free DGCR8 monomer binds pri-miRNAs as a dimer and is much less active. Both double-stranded and single-stranded regions of a pri-miRNA are required for its binding. Involved in the silencing of embryonic stem cells self-renewal.<ref>PMID:15589161</ref> <ref>PMID:15574589</ref> <ref>PMID:15531877</ref> <ref>PMID:16751099</ref> <ref>PMID:16906129</ref> <ref>PMID:16963499</ref> <ref>PMID:17159994</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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(as it appears on PubMed at http://www.pubmed.gov), where 20506313 is the PubMed ID number.
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/le/3le4_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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{{ABSTRACT_PUBMED_20506313}}
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</jmolCheckbox>
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==About this Structure==
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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=3le4 ConSurf].
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3LE4 is a 1 chain structure with sequence 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=3LE4 OCA].
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:20506313</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Cascio, D.]]
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[[Category: Large Structures]]
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[[Category: Guo, F.]]
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[[Category: Cascio D]]
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[[Category: Sawaya, M.]]
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[[Category: Guo F]]
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[[Category: Senturia, R.]]
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[[Category: Sawaya M]]
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[[Category: 3d domain swapping]]
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[[Category: Senturia R]]
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[[Category: Dimerization]]
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[[Category: Heme]]
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[[Category: Heme binding]]
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[[Category: Iron]]
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[[Category: Metal-binding]]
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[[Category: Microrna processing]]
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[[Category: Nuclear protein]]
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[[Category: Nucleus]]
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[[Category: Phosphoprotein]]
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[[Category: Rna-binding]]
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[[Category: Ww motif]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 7 08:40:39 2010''
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Current revision

Crystal structure of the DGCR8 dimerization domain

PDB ID 3le4

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OCA

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