1cqt

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{{STRUCTURE_1cqt| PDB=1cqt | SCENE= }}
 
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===CRYSTAL STRUCTURE OF A TERNARY COMPLEX CONTAINING AN OCA-B PEPTIDE, THE OCT-1 POU DOMAIN, AND AN OCTAMER ELEMENT===
 
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{{ABSTRACT_PUBMED_10541551}}
 
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==Disease==
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==CRYSTAL STRUCTURE OF A TERNARY COMPLEX CONTAINING AN OCA-B PEPTIDE, THE OCT-1 POU DOMAIN, AND AN OCTAMER ELEMENT==
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[[http://www.uniprot.org/uniprot/OBF1_HUMAN OBF1_HUMAN]] Note=A chromosomal aberration involving POU2AF1/OBF1 may be a cause of a form of B-cell leukemia. Translocation t(3;11)(q27;q23) with BCL6.
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<StructureSection load='1cqt' size='340' side='right'caption='[[1cqt]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
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== Structural highlights ==
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==Function==
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<table><tr><td colspan='2'>[[1cqt]] is a 8 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=1CQT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CQT FirstGlance]. <br>
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[[http://www.uniprot.org/uniprot/OBF1_HUMAN OBF1_HUMAN]] Transcriptional coactivator that specifically associates with either OCT1 or OCT2. It boosts the OCT1 mediated promoter activity and to a lesser extent, that of OCT2. It has no intrinsic DNA-binding activity. It recognizes the POU domains of OCT1 and OCT2. It is essential for the response of B-cells to antigens and required for the formation of germinal centers. [[http://www.uniprot.org/uniprot/PO2F1_HUMAN PO2F1_HUMAN]] Transcription factor that binds to the octamer motif (5'-ATTTGCAT-3') and activates the promoters of the genes for some small nuclear RNAs (snRNA) and of genes such as those for histone H2B and immunoglobulins. Modulates transcription transactivation by NR3C1, AR and PGR (By similarity). In case of human herpes simplex virus (HSV) infection, POU2F1 forms a multiprotein-DNA complex with the viral transactivator protein VP16 and HCFC1 thereby enabling the transcription of the viral immediate early genes.<ref>PMID:1684878</ref>
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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]] 3.2&#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=1cqt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cqt OCA], [https://pdbe.org/1cqt PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cqt RCSB], [https://www.ebi.ac.uk/pdbsum/1cqt PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cqt ProSAT]</span></td></tr>
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==About this Structure==
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</table>
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[[1cqt]] is a 8 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=1CQT OCA].
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== Function ==
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[https://www.uniprot.org/uniprot/PO2F1_HUMAN PO2F1_HUMAN] Transcription factor that binds to the octamer motif (5'-ATTTGCAT-3') and activates the promoters of the genes for some small nuclear RNAs (snRNA) and of genes such as those for histone H2B and immunoglobulins. Modulates transcription transactivation by NR3C1, AR and PGR (By similarity). In case of human herpes simplex virus (HSV) infection, POU2F1 forms a multiprotein-DNA complex with the viral transactivator protein VP16 and HCFC1 thereby enabling the transcription of the viral immediate early genes.<ref>PMID:1684878</ref>
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==Reference==
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== Evolutionary Conservation ==
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<ref group="xtra">PMID:010541551</ref><references group="xtra"/><references/>
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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/cq/1cqt_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=1cqt ConSurf].
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<div style="clear:both"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Cepek, K.]]
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[[Category: Large Structures]]
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[[Category: Chasman, D I.]]
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[[Category: Cepek K]]
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[[Category: Pabo, C O.]]
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[[Category: Chasman DI]]
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[[Category: Sharp, P A.]]
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[[Category: Pabo CO]]
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[[Category: Gene regulation-dna complex]]
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[[Category: Sharp PA]]
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[[Category: Gene regulation/dna]]
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[[Category: Oca-b]]
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[[Category: Oct1]]
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[[Category: Pou domain]]
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[[Category: Protein-dna complex]]
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[[Category: Protein-dna interface]]
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Current revision

CRYSTAL STRUCTURE OF A TERNARY COMPLEX CONTAINING AN OCA-B PEPTIDE, THE OCT-1 POU DOMAIN, AND AN OCTAMER ELEMENT

PDB ID 1cqt

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