1h3i

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[[Image:1h3i.png|left|200px]]
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==CRYSTAL STRUCTURE OF THE HISTONE METHYLTRANSFERASE SET7/9==
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<StructureSection load='1h3i' size='340' side='right' caption='[[1h3i]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1h3i]] is a 2 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=1H3I OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1H3I FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Histone-lysine_N-methyltransferase Histone-lysine N-methyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.1.43 2.1.1.43] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1h3i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1h3i OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1h3i RCSB], [http://www.ebi.ac.uk/pdbsum/1h3i PDBsum]</span></td></tr>
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<table>
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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/h3/1h3i_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/chain_selection.php?pdb_ID=2ata 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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Methylation of lysine residues in the N-terminal tails of histones is thought to represent an important component of the mechanism that regulates chromatin structure. The evolutionarily conserved SET domain occurs in most proteins known to possess histone lysine methyltransferase activity. We present here the crystal structure of a large fragment of human SET7/9 that contains a N-terminal beta-sheet domain as well as the conserved SET domain. Mutagenesis identifies two residues in the C terminus of the protein that appear essential for catalytic activity toward lysine-4 of histone H3. Furthermore, we show how the cofactor AdoMet binds to this domain and present biochemical data supporting the role of invariant residues in catalysis, binding of AdoMet, and interactions with the peptide substrate.
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{{STRUCTURE_1h3i| PDB=1h3i | SCENE= }}
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Crystal structure and functional analysis of the histone methyltransferase SET7/9.,Wilson JR, Jing C, Walker PA, Martin SR, Howell SA, Blackburn GM, Gamblin SJ, Xiao B Cell. 2002 Oct 4;111(1):105-15. PMID:12372304<ref>PMID:12372304</ref>
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===CRYSTAL STRUCTURE OF THE HISTONE METHYLTRANSFERASE SET7/9===
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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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{{ABSTRACT_PUBMED_12372304}}
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==About this Structure==
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[[1h3i]] is a 2 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=1H3I OCA].
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==See Also==
==See Also==
*[[Histone methyltransferase|Histone methyltransferase]]
*[[Histone methyltransferase|Histone methyltransferase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:012372304</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Histone-lysine N-methyltransferase]]
[[Category: Histone-lysine N-methyltransferase]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]

Revision as of 10:03, 28 September 2014

CRYSTAL STRUCTURE OF THE HISTONE METHYLTRANSFERASE SET7/9

1h3i, resolution 2.10Å

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