2c62

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[[Image:2c62.gif|left|200px]]
 
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{{Structure
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==Crystal Structure of the Human Transcription Cofactor PC4 in Complex with Single-Stranded DNA==
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|PDB= 2c62 |SIZE=350|CAPTION= <scene name='initialview01'>2c62</scene>, resolution 1.74&Aring;
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<StructureSection load='2c62' size='340' side='right'caption='[[2c62]], [[Resolution|resolution]] 1.74&Aring;' scene=''>
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|SITE= <scene name='pdbsite=AC1:So4+Binding+Site+For+Chain+A'>AC1</scene>
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=DG:2&#39;-DEOXYGUANOSINE-5&#39;-MONOPHOSPHATE'>DG</scene>, <scene name='pdbligand=DT:THYMIDINE-5&#39;-MONOPHOSPHATE'>DT</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>
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<table><tr><td colspan='2'>[[2c62]] 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=2C62 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2C62 FirstGlance]. <br>
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|ACTIVITY=
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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]] 1.74&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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|DOMAIN=
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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=2c62 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2c62 OCA], [https://pdbe.org/2c62 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2c62 RCSB], [https://www.ebi.ac.uk/pdbsum/2c62 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2c62 ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2c62 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2c62 OCA], [http://www.ebi.ac.uk/pdbsum/2c62 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2c62 RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/TCP4_HUMAN TCP4_HUMAN] General coactivator that functions cooperatively with TAFs and mediates functional interactions between upstream activators and the general transcriptional machinery. May be involved in stabilizing the multiprotein transcription complex. Binds single-stranded DNA. Also binds, in vitro, non-specifically to double-stranded DNA (ds DNA).<ref>PMID:8062392</ref> <ref>PMID:8062391</ref> <ref>PMID:7628453</ref> <ref>PMID:9482861</ref> <ref>PMID:16689930</ref> <ref>PMID:9360603</ref> <ref>PMID:16605275</ref>
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== Evolutionary Conservation ==
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'''CRYSTAL STRUCTURE OF THE HUMAN TRANSCRIPTION COFACTOR PC4 IN COMPLEX WITH SINGLE-STRANDED DNA'''
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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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==Overview==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/c6/2c62_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=2c62 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 ==
The 1.74-A crystal structure of the human transcription cofactor PC4 in complex with a single-stranded 20-mer oligonucleotide reveals how symmetry-related beta-surfaces of the protein homodimer interact with juxtaposed 5-nucleotide DNA regions running in opposite directions. The structure explains high-affinity binding of PC4 to the complementary strands of unwinding duplex DNA, and it suggests the cofactor may have a role in relaxing negative supercoils or exposing unpaired bases for sequence-specific recognition by other biomolecules.
The 1.74-A crystal structure of the human transcription cofactor PC4 in complex with a single-stranded 20-mer oligonucleotide reveals how symmetry-related beta-surfaces of the protein homodimer interact with juxtaposed 5-nucleotide DNA regions running in opposite directions. The structure explains high-affinity binding of PC4 to the complementary strands of unwinding duplex DNA, and it suggests the cofactor may have a role in relaxing negative supercoils or exposing unpaired bases for sequence-specific recognition by other biomolecules.
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==About this Structure==
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A global transcription cofactor bound to juxtaposed strands of unwound DNA.,Werten S, Moras D Nat Struct Mol Biol. 2006 Feb;13(2):181-2. Epub 2006 Jan 15. PMID:16415882<ref>PMID:16415882</ref>
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2C62 is a [[Single protein]] structure of 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=2C62 OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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A global transcription cofactor bound to juxtaposed strands of unwound DNA., Werten S, Moras D, Nat Struct Mol Biol. 2006 Feb;13(2):181-2. Epub 2006 Jan 15. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16415882 16415882]
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</div>
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<div class="pdbe-citations 2c62" style="background-color:#fffaf0;"></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: Single protein]]
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[[Category: Large Structures]]
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[[Category: Moras, D.]]
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[[Category: Moras D]]
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[[Category: Werten, S.]]
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[[Category: Werten S]]
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[[Category: activator]]
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[[Category: dna unwinding]]
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[[Category: dna-binding]]
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[[Category: nuclear protein]]
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[[Category: phosphorylation]]
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[[Category: protein-dna complex]]
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[[Category: single-stranded dna]]
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[[Category: transcription]]
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[[Category: transcription cofactor]]
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[[Category: transcription regulation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 02:16:51 2008''
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Current revision

Crystal Structure of the Human Transcription Cofactor PC4 in Complex with Single-Stranded DNA

PDB ID 2c62

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