2ri2

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==Crystal structure of the 3-MBT repeats from human L3MBTL1 with D355A point mutation==
==Crystal structure of the 3-MBT repeats from human L3MBTL1 with D355A point mutation==
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<StructureSection load='2ri2' size='340' side='right' caption='[[2ri2]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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<StructureSection load='2ri2' size='340' side='right'caption='[[2ri2]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2ri2]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2RI2 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2RI2 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2ri2]] 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=2RI2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2RI2 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene>, <scene name='pdbligand=PGE:TRIETHYLENE+GLYCOL'>PGE</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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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=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene>, <scene name='pdbligand=PGE:TRIETHYLENE+GLYCOL'>PGE</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=CML:(2S)-2-{[(2R)-2-AMINO-2-CARBOXYETHYL]SULFANYL}BUTANEDIOIC+ACID'>CML</scene></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=CML:(2S)-2-{[(2R)-2-AMINO-2-CARBOXYETHYL]SULFANYL}BUTANEDIOIC+ACID'>CML</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2rhi|2rhi]], [[2rhu|2rhu]], [[2rhx|2rhx]], [[2rhy|2rhy]], [[2rhz|2rhz]], [[2ri3|2ri3]], [[2ri5|2ri5]]</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[2rhi|2rhi]], [[2rhu|2rhu]], [[2rhx|2rhx]], [[2rhy|2rhy]], [[2rhz|2rhz]], [[2ri3|2ri3]], [[2ri5|2ri5]]</div></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">L3MBTL, KIAA0681, L3MBT ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">L3MBTL, KIAA0681, L3MBT ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ri2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ri2 OCA], [http://pdbe.org/2ri2 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2ri2 RCSB], [http://www.ebi.ac.uk/pdbsum/2ri2 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2ri2 ProSAT]</span></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=2ri2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ri2 OCA], [https://pdbe.org/2ri2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ri2 RCSB], [https://www.ebi.ac.uk/pdbsum/2ri2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ri2 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/LMBL1_HUMAN LMBL1_HUMAN]] Polycomb group (PcG) protein that specifically recognizes and binds mono- and dimethyllysine residues on target proteins, therey acting as a 'reader' of a network of post-translational modifications. PcG proteins maintain the transcriptionally repressive state of genes: acts as a chromatin compaction factor by recognizing and binding mono- and dimethylated histone H1b/HIST1H1E at 'Lys-26' (H1bK26me1 and H1bK26me2) and histone H4 at 'Lys-20' (H4K20me1 and H4K20me2), leading to condense chromatin and repress transcription. Recognizes and binds p53/TP53 monomethylated at 'Lys-382', leading to repress p53/TP53-target genes. Also recognizes and binds RB1/RB monomethylated at 'Lys-860'. Participates in the ETV6-mediated repression. Probably plays a role in cell proliferation. Overexpression induces multinucleated cells, suggesting that it is required to accomplish normal mitosis.<ref>PMID:17540172</ref> <ref>PMID:18408754</ref> <ref>PMID:20870719</ref> <ref>PMID:20870725</ref>
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[[https://www.uniprot.org/uniprot/LMBL1_HUMAN LMBL1_HUMAN]] Polycomb group (PcG) protein that specifically recognizes and binds mono- and dimethyllysine residues on target proteins, therey acting as a 'reader' of a network of post-translational modifications. PcG proteins maintain the transcriptionally repressive state of genes: acts as a chromatin compaction factor by recognizing and binding mono- and dimethylated histone H1b/HIST1H1E at 'Lys-26' (H1bK26me1 and H1bK26me2) and histone H4 at 'Lys-20' (H4K20me1 and H4K20me2), leading to condense chromatin and repress transcription. Recognizes and binds p53/TP53 monomethylated at 'Lys-382', leading to repress p53/TP53-target genes. Also recognizes and binds RB1/RB monomethylated at 'Lys-860'. Participates in the ETV6-mediated repression. Probably plays a role in cell proliferation. Overexpression induces multinucleated cells, suggesting that it is required to accomplish normal mitosis.<ref>PMID:17540172</ref> <ref>PMID:18408754</ref> <ref>PMID:20870719</ref> <ref>PMID:20870725</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Human]]
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[[Category: Large Structures]]
[[Category: Li, H]]
[[Category: Li, H]]
[[Category: Patel, D J]]
[[Category: Patel, D J]]

Revision as of 04:26, 2 July 2021

Crystal structure of the 3-MBT repeats from human L3MBTL1 with D355A point mutation

PDB ID 2ri2

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