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==Cryo-EM structure of Arabidopsis VIM1 in complex with hemi-methylated CG-containing nucleosome 1== | |||
<StructureSection load='12of' size='340' side='right'caption='[[12of]], [[Resolution|resolution]] 3.80Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[12of]] is a 11 chain structure with sequence from [https://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana], [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Xenopus_laevis Xenopus laevis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=12OF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=12OF FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.8Å</td></tr> | |||
[[Category: | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=5CM:5-METHYL-2-DEOXY-CYTIDINE-5-MONOPHOSPHATE'>5CM</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=12of FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=12of OCA], [https://pdbe.org/12of PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=12of RCSB], [https://www.ebi.ac.uk/pdbsum/12of PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=12of ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/ORTH2_ARATH ORTH2_ARATH] E3 ubiquitin-protein ligase. Participates in CpG methylation-dependent transcriptional regulation and epigenetic transcriptional silencing. Mediates ubiquitination with the E2 ubiquitin-conjugating enzyme UBC11. Promotes methylation-mediated gene silencing leading, for example, to early flowering. Associates with methylated DNA, and can bind to CpG, CpNpG, and CpNpN DNA motifs, with a strong preference for methylated forms, and with highest affinity for CpG substrate. Probably acts at the DNA methylation?histone interface to maintain centromeric heterochromatin.<ref>PMID:17239600</ref> <ref>PMID:17242155</ref> <ref>PMID:18643997</ref> <ref>PMID:18704160</ref> | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Arabidopsis thaliana]] | |||
[[Category: Homo sapiens]] | |||
[[Category: Large Structures]] | |||
[[Category: Xenopus laevis]] | |||
[[Category: Chen X]] | |||
[[Category: Song J]] | |||
Latest revision as of 06:47, 7 October 2026
Cryo-EM structure of Arabidopsis VIM1 in complex with hemi-methylated CG-containing nucleosome 1
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