3fss

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[[Image:3fss.png|left|200px]]
 
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==Structure of the tandem PH domains of Rtt106==
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The line below this paragraph, containing "STRUCTURE_3fss", creates the "Structure Box" on the page.
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<StructureSection load='3fss' size='340' side='right'caption='[[3fss]], [[Resolution|resolution]] 1.43&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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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'>[[3fss]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Atcc_18824 Atcc 18824]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3FSS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3FSS FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MLA:MALONIC+ACID'>MLA</scene></td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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{{STRUCTURE_3fss| PDB=3fss | SCENE= }}
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">N1346, RTT106, YNL206C ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 ATCC 18824])</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=3fss FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3fss OCA], [https://pdbe.org/3fss PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3fss RCSB], [https://www.ebi.ac.uk/pdbsum/3fss PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3fss ProSAT]</span></td></tr>
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</table>
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== Function ==
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[[https://www.uniprot.org/uniprot/RT106_YEAST RT106_YEAST]] Histones H3 and H4 chaperone involved in the nucleosome formation and heterochromatin silencing. Required for the deposition of H3K56ac-carrying H3-H4 complex onto newly-replicated DNA. Plays a role in the transcriptional regulation of the cell-cycle dependent histone genes by directly recruiting the SWI/SNF and RSC chromatin remodeling complexes to the histone genes in a cell cycle dependent manner. In cooperation with HIR and ASF1, creates a repressive structure at the core histone gene promoter and contributes to their repression outside of S phase. Involved in regulation of Ty1 transposition.<ref>PMID:11779788</ref> <ref>PMID:16157874</ref> <ref>PMID:17410207</ref> <ref>PMID:19683497</ref> <ref>PMID:20188666</ref> <ref>PMID:21763693</ref> <ref>PMID:22156209</ref> <ref>PMID:21444721</ref> <ref>PMID:21698254</ref> <ref>PMID:21978826</ref> <ref>PMID:22128187</ref> <ref>PMID:20007951</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/fs/3fss_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=3fss 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 ==
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Dynamic variations in the structure of chromatin influence virtually all DNA-related processes in eukaryotes and are controlled in part by post-translational modifications of histones. One such modification, the acetylation of lysine 56 (H3K56ac) in the amino-terminal alpha-helix (alphaN) of histone H3, has been implicated in the regulation of nucleosome assembly during DNA replication and repair, and nucleosome disassembly during gene transcription. In Saccharomyces cerevisiae, the histone chaperone Rtt106 contributes to the deposition of newly synthesized H3K56ac-carrying H3-H4 complex on replicating DNA, but it is unclear how Rtt106 binds H3-H4 and specifically recognizes H3K56ac as there is no apparent acetylated lysine reader domain in Rtt106. Here, we show that two domains of Rtt106 are involved in a combinatorial recognition of H3-H4. An N-terminal domain homodimerizes and interacts with H3-H4 independently of acetylation while a double pleckstrin-homology (PH) domain binds the K56-containing region of H3. Affinity is markedly enhanced upon acetylation of K56, an effect that is probably due to increased conformational entropy of the alphaN helix of H3. Our data support a mode of interaction where the N-terminal homodimeric domain of Rtt106 intercalates between the two H3-H4 components of the (H3-H4)(2) tetramer while two double PH domains in the Rtt106 dimer interact with each of the two H3K56ac sites in (H3-H4)(2). We show that the Rtt106-(H3-H4)(2) interaction is important for gene silencing and the DNA damage response.
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===Structure of the tandem PH domains of Rtt106===
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Structural basis for recognition of H3K56-acetylated histone H3-H4 by the chaperone Rtt106.,Su D, Hu Q, Li Q, Thompson JR, Cui G, Fazly A, Davies BA, Botuyan MV, Zhang Z, Mer G Nature. 2012 Feb 5. doi: 10.1038/nature10861. PMID:22307274<ref>PMID:22307274</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_22307274}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 3fss" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 22307274 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_22307274}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Atcc 18824]]
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[[3fss]] is a 1 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=3FSS OCA].
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[[Category: Large Structures]]
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[[Category: Mer, G]]
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==Reference==
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[[Category: Su, D]]
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<ref group="xtra">PMID:022307274</ref><references group="xtra"/>
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[[Category: Thompson, J R]]
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[[Category: Saccharomyces cerevisiae]]
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[[Category: Mer, G.]]
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[[Category: Su, D.]]
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[[Category: Thompson, J R.]]
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[[Category: Chaperone]]
[[Category: Chaperone]]
[[Category: Chromosomal protein]]
[[Category: Chromosomal protein]]

Current revision

Structure of the tandem PH domains of Rtt106

PDB ID 3fss

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