3i8z
From Proteopedia
(Difference between revisions)
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==Crystal structure of human chromobox homolog 4 (CBX4)== | ==Crystal structure of human chromobox homolog 4 (CBX4)== | ||
- | <StructureSection load='3i8z' size='340' side='right' caption='[[3i8z]], [[Resolution|resolution]] 1.51Å' scene=''> | + | <StructureSection load='3i8z' size='340' side='right'caption='[[3i8z]], [[Resolution|resolution]] 1.51Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
- | <table><tr><td colspan='2'>[[3i8z]] is a 1 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[3i8z]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3I8Z OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3I8Z FirstGlance]. <br> |
- | </td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3i8y|3i8y]], [[3i90|3i90]], [[3i91|3i91]]</td></tr> | + | </td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3i8y|3i8y]], [[3i90|3i90]], [[3i91|3i91]]</div></td></tr> |
- | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CBX4 ([ | + | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CBX4 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr> |
- | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3i8z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3i8z OCA], [https://pdbe.org/3i8z PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3i8z RCSB], [https://www.ebi.ac.uk/pdbsum/3i8z PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3i8z ProSAT]</span></td></tr> |
</table> | </table> | ||
== Function == | == Function == | ||
- | [[ | + | [[https://www.uniprot.org/uniprot/CBX4_HUMAN CBX4_HUMAN]] E3 SUMO-protein ligase which facilitates SUMO1 conjugation by UBE2I. Involved in the sumoylation of HNRNPK, a p53/TP53 transcriptional coactivator, hence indirectly regulates p53/TP53 transcriptional activation resulting in p21/CDKN1A expression.<ref>PMID:12679040</ref> <ref>PMID:16061479</ref> <ref>PMID:17018294</ref> <ref>PMID:21282530</ref> <ref>PMID:22825850</ref> Component of a Polycomb group (PcG) multiprotein PRC1-like complex, a complex class required to maintain the transcriptionally repressive state of many genes, including Hox genes, throughout development. PcG PRC1 complex acts via chromatin remodeling and modification of histones; it mediates monoubiquitination of histone H2A 'Lys-119', rendering chromatin heritably changed in its expressibility.<ref>PMID:12679040</ref> <ref>PMID:16061479</ref> <ref>PMID:17018294</ref> <ref>PMID:21282530</ref> <ref>PMID:22825850</ref> |
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
Check<jmol> | Check<jmol> | ||
<jmolCheckbox> | <jmolCheckbox> | ||
- | <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/i8/3i8z_consurf.spt"</scriptWhenChecked> | + | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/i8/3i8z_consurf.spt"</scriptWhenChecked> |
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | ||
<text>to colour the structure by Evolutionary Conservation</text> | <text>to colour the structure by Evolutionary Conservation</text> | ||
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</StructureSection> | </StructureSection> | ||
[[Category: Human]] | [[Category: Human]] | ||
+ | [[Category: Large Structures]] | ||
[[Category: Amaya, M F]] | [[Category: Amaya, M F]] | ||
[[Category: Arrowsmith, C H]] | [[Category: Arrowsmith, C H]] |
Revision as of 11:01, 13 April 2022
Crystal structure of human chromobox homolog 4 (CBX4)
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Categories: Human | Large Structures | Amaya, M F | Arrowsmith, C H | Bochkarev, A | Bountra, C | Edwards, A M | Kozieradzki, I | Loppnau, P | Min, J | Ouyang, H | Structural genomic | Weigelt, J | Zhihong, L | Alternative splicing | Cbx4 | Chromatin regulator | Chromobox homolog 4 | Isopeptide bond | Nucleus | Phosphoprotein | Repressor | Sgc | Transcription | Transcription regulation | Ubl conjugation | Ubl conjugation pathway