3c9c: Difference between revisions

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==Structural Basis of Histone H4 Recognition by p55==
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<StructureSection load='3c9c' size='340' side='right'caption='[[3c9c]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3c9c]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3C9C OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3C9C 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]] 3.2&#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=CD:CADMIUM+ION'>CD</scene></td></tr>
{{STRUCTURE_3c9c|  PDB=3c9c  |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3c9c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3c9c OCA], [https://pdbe.org/3c9c PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3c9c RCSB], [https://www.ebi.ac.uk/pdbsum/3c9c PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3c9c ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/CAF1_DROME CAF1_DROME] Core histone-binding subunit that may target chromatin assembly factors, chromatin remodeling factors and histone deacetylases to their histone substrates in a manner that is regulated by nucleosomal DNA. Component of several complexes which regulate chromatin metabolism. These include the chromatin assembly factor 1 (CAF-1) complex, which is required for chromatin assembly following DNA replication and DNA repair; the nucleosome remodeling and deacetylase complex (the NuRD complex), which promotes transcriptional repression by histone deacetylation and nucleosome remodeling; the nucleosome remodeling factor (NURF) complex, which catalyzes ATP-dependent nucleosome sliding and facilitates transcription of chromatin; and the polycomb group (PcG) repressor complex ESC-E(Z), which promotes repression of homeotic genes during development. Also required for transcriptional repression of E2F target genes by E2f2 and Rbf or Rbf2.<ref>PMID:8887645</ref> <ref>PMID:9419341</ref> <ref>PMID:9784495</ref> <ref>PMID:12490953</ref> <ref>PMID:15456884</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/c9/3c9c_consurf.spt"</scriptWhenChecked>
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    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=3c9c ConSurf].
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== Publication Abstract from PubMed ==
p55 is a common component of many chromatin-modifying complexes and has been shown to bind to histones. Here, we present a crystal structure of Drosophila p55 bound to a histone H4 peptide. p55, a predicted WD40 repeat protein, recognizes the first helix of histone H4 via a binding pocket located on the side of a beta-propeller structure. The pocket cannot accommodate the histone fold of H4, which must be altered to allow p55 binding. Reconstitution experiments show that the binding pocket is important to the function of p55-containing complexes. These data demonstrate that WD40 repeat proteins use various surfaces to direct the modification of histones.


===Structural Basis of Histone H4 Recognition by p55===
Structural basis of histone H4 recognition by p55.,Song JJ, Garlick JD, Kingston RE Genes Dev. 2008 May 15;22(10):1313-8. Epub 2008 Apr 28. PMID:18443147<ref>PMID:18443147</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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== References ==
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<references/>
{{ABSTRACT_PUBMED_18443147}}
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</StructureSection>
==About this Structure==
3C9C is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3C9C OCA].
 
==Reference==
<ref group="xtra">PMID:18443147</ref><references group="xtra"/>
[[Category: Drosophila melanogaster]]
[[Category: Drosophila melanogaster]]
[[Category: Garlick, J D.]]
[[Category: Large Structures]]
[[Category: Kingston, R E.]]
[[Category: Garlick JD]]
[[Category: Song, J J.]]
[[Category: Kingston RE]]
[[Category: Chromatin]]
[[Category: Song JJ]]
[[Category: Chromatin regulator]]
[[Category: Chromosomal protein]]
[[Category: Dna-binding]]
[[Category: Epigenetic]]
[[Category: Histone]]
[[Category: Nuclear protein]]
[[Category: Nucleosome core]]
[[Category: Nucleus]]
[[Category: P55]]
[[Category: Phosphoprotein]]
[[Category: Repressor]]
[[Category: Transcription]]
[[Category: Transcription regulation]]
[[Category: Transcription repressor]]
[[Category: Wd repeat]]
[[Category: Wd4]]
 
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