2hzm

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[[Image:2hzm.png|left|200px]]
 
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{{STRUCTURE_2hzm| PDB=2hzm | SCENE= }}
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==Structure of the Mediator head subcomplex Med18/20==
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<StructureSection load='2hzm' size='340' side='right'caption='[[2hzm]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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===Structure of the Mediator head subcomplex Med18/20===
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2hzm]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HZM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2HZM FirstGlance]. <br>
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{{ABSTRACT_PUBMED_16964259}}
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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]] 2.4&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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==About this Structure==
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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=2hzm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hzm OCA], [https://pdbe.org/2hzm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2hzm RCSB], [https://www.ebi.ac.uk/pdbsum/2hzm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2hzm ProSAT]</span></td></tr>
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[[2hzm]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HZM OCA].
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/MED20_YEAST MED20_YEAST] Component of the Mediator complex, a coactivator involved in the regulated transcription of nearly all RNA polymerase II-dependent genes. Mediator functions as a bridge to convey information from gene-specific regulatory proteins to the basal RNA polymerase II transcription machinery. The Mediator complex, having a compact conformation in its free form, is recruited to promoters by direct interactions with regulatory proteins and serves for the assembly of a functional preinitiation complex with RNA polymerase II and the general transcription factors. The Mediator complex unfolds to an extended conformation and partially surrounds RNA polymerase II, specifically interacting with the unphosphorylated form of the C-terminal domain (CTD) of RNA polymerase II. The Mediator complex dissociates from the RNA polymerase II holoenzyme and stays at the promoter when transcriptional elongation begins.<ref>PMID:16076843</ref> <ref>PMID:16109375</ref> <ref>PMID:16263706</ref> <ref>PMID:16885025</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/hz/2hzm_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=2hzm ConSurf].
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<div style="clear:both"></div>
==See Also==
==See Also==
*[[Mediator|Mediator]]
*[[Mediator|Mediator]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:016964259</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Cramer, P.]]
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[[Category: Cramer P]]
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[[Category: Geiger, S.]]
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[[Category: Geiger S]]
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[[Category: Hoeppner, S.]]
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[[Category: Hoeppner S]]
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[[Category: Lariviere, L.]]
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[[Category: Lariviere L]]
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[[Category: Rother, S.]]
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[[Category: Rother S]]
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[[Category: Straesser, K.]]
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[[Category: Straesser K]]
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[[Category: Beta barrel]]
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[[Category: Channel]]
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[[Category: Transcription]]
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Current revision

Structure of the Mediator head subcomplex Med18/20

PDB ID 2hzm

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