5exh: Difference between revisions
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==Crystal structure of mTET3-CXXC domain in complex with 5-carboxylcytosine DNA at 1.3 Angstroms resolution.== | ==Crystal structure of mTET3-CXXC domain in complex with 5-carboxylcytosine DNA at 1.3 Angstroms resolution.== | ||
<StructureSection load='5exh' size='340' side='right' caption='[[5exh]], [[Resolution|resolution]] 1.30Å' scene=''> | <StructureSection load='5exh' size='340' side='right'caption='[[5exh]], [[Resolution|resolution]] 1.30Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[5exh]] is a 3 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5EXH OCA]. For a <b>guided tour on the structure components</b> use [http:// | <table><tr><td colspan='2'>[[5exh]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Lk3_transgenic_mice Lk3 transgenic mice]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5EXH OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=5EXH FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr> | ||
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=1CC:5-CARBOXY-2-DEOXYCYTIDINE+MONOPHOSPHATE'>1CC</scene></td></tr> | <tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=1CC:5-CARBOXY-2-DEOXYCYTIDINE+MONOPHOSPHATE'>1CC</scene></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http:// | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Tet3 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 LK3 transgenic mice])</td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=5exh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5exh OCA], [http://pdbe.org/5exh PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5exh RCSB], [http://www.ebi.ac.uk/pdbsum/5exh PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5exh ProSAT]</span></td></tr> | |||
</table> | </table> | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
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</div> | </div> | ||
<div class="pdbe-citations 5exh" style="background-color:#fffaf0;"></div> | <div class="pdbe-citations 5exh" style="background-color:#fffaf0;"></div> | ||
==See Also== | |||
*[[Dioxygenase 3D structures|Dioxygenase 3D structures]] | |||
== References == | == References == | ||
<references/> | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Large Structures]] | |||
[[Category: Lk3 transgenic mice]] | |||
[[Category: Song, J]] | [[Category: Song, J]] | ||
[[Category: 5-carboxylcytosine]] | [[Category: 5-carboxylcytosine]] | ||
Revision as of 10:49, 29 April 2020
Crystal structure of mTET3-CXXC domain in complex with 5-carboxylcytosine DNA at 1.3 Angstroms resolution.Crystal structure of mTET3-CXXC domain in complex with 5-carboxylcytosine DNA at 1.3 Angstroms resolution.
Structural highlights
Publication Abstract from PubMedWe report that the mammalian 5-methylcytosine (5mC) oxidase Tet3 exists as three major isoforms and characterized the full-length isoform containing an N-terminal CXXC domain (Tet3FL). This CXXC domain binds to unmethylated CpGs, but, unexpectedly, its highest affinity is toward 5-carboxylcytosine (5caC). We determined the crystal structure of the CXXC domain-5caC-DNA complex, revealing the structural basis of the binding specificity of this domain as a reader of CcaCG sequences. Mapping of Tet3FL in neuronal cells shows that Tet3FL is localized precisely at the transcription start sites (TSSs) of genes involved in lysosome function, mRNA processing, and key genes of the base excision repair pathway. Therefore, Tet3FL may function as a regulator of 5caC removal by base excision repair. Active removal of accumulating 5mC from the TSSs of genes coding for lysosomal proteins by Tet3FL in postmitotic neurons of the brain may be important for preventing neurodegenerative diseases. Tet3 Reads 5-Carboxylcytosine through Its CXXC Domain and Is a Potential Guardian against Neurodegeneration.,Jin SG, Zhang ZM, Dunwell TL, Harter MR, Wu X, Johnson J, Li Z, Liu J, Szabo PE, Lu Q, Xu GL, Song J, Pfeifer GP Cell Rep. 2016 Jan 26;14(3):493-505. doi: 10.1016/j.celrep.2015.12.044. Epub 2016, Jan 7. PMID:26774490[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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