2jtn

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[[Image:2jtn.png|left|200px]]
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==NMR Solution Structure of a ldb1-LID:Lhx3-LIM complex==
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<StructureSection load='2jtn' size='340' side='right' caption='[[2jtn]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2jtn]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JTN OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2JTN 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=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Ldb1, Nli, Lhx3, Lim-3, Lim3, Plim ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus])</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=2jtn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2jtn OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2jtn RCSB], [http://www.ebi.ac.uk/pdbsum/2jtn PDBsum]</span></td></tr>
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</table>
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== Function ==
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[[http://www.uniprot.org/uniprot/LDB1_MOUSE LDB1_MOUSE]] Binds to the LIM domain of a wide variety of LIM domain-containing transcription factors. May regulate the transcriptional activity of LIM-containing proteins by determining specific partner interactions. May play a role in the development of motor neurons. Acts synergistically with LHX1/LIM1 in axis formation and activation of gene expression. Acts with LMO2 in the regulation of red blood cell development, maintaining erythroid precursors in an immature state.<ref>PMID:8918878</ref> <ref>PMID:8876198</ref> <ref>PMID:9192866</ref> <ref>PMID:9391090</ref> <ref>PMID:16815859</ref> <ref>PMID:9315627</ref>
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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/jt/2jtn_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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LIM-homeodomain (LIM-HD) transcription factors form a combinatorial 'LIM code' that contributes to the specification of cell types. In the ventral spinal cord, the binary LIM homeobox protein 3 (Lhx3)/LIM domain-binding protein 1 (Ldb1) complex specifies the formation of V2 interneurons. The additional expression of islet-1 (Isl1) in adjacent cells instead specifies the formation of motor neurons through assembly of a ternary complex in which Isl1 contacts both Lhx3 and Ldb1, displacing Lhx3 as the binding partner of Ldb1. However, little is known about how this molecular switch occurs. Here, we have identified the 30-residue Lhx3-binding domain on Isl1 (Isl1(LBD)). Although the LIM interaction domain of Ldb1 (Ldb1(LID)) and Isl1(LBD) share low levels of sequence homology, X-ray and NMR structures reveal that they bind Lhx3 in an identical manner, that is, Isl1(LBD) mimics Ldb1(LID). These data provide a structural basis for the formation of cell type-specific protein-protein interactions in which unstructured linear motifs with diverse sequences compete to bind protein partners. The resulting alternate protein complexes can target different genes to regulate key biological events.
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{{STRUCTURE_2jtn| PDB=2jtn | SCENE= }}
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Implementing the LIM code: the structural basis for cell type-specific assembly of LIM-homeodomain complexes.,Bhati M, Lee C, Nancarrow AL, Lee M, Craig VJ, Bach I, Guss JM, Mackay JP, Matthews JM EMBO J. 2008 Jul 23;27(14):2018-29. Epub 2008 Jun 26. PMID:18583962<ref>PMID:18583962</ref>
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===NMR Solution Structure of a ldb1-LID:Lhx3-LIM complex===
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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_18583962}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[2jtn]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JTN OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:018583962</ref><references group="xtra"/>
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Lee, C.]]
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[[Category: Lee, C]]
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[[Category: Mackay, J P.]]
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[[Category: Mackay, J P]]
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[[Category: Matthews, J M.]]
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[[Category: Matthews, J M]]
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[[Category: Nancarrow, A L.]]
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[[Category: Nancarrow, A L]]
[[Category: Protein binding-transcription complex]]
[[Category: Protein binding-transcription complex]]

Revision as of 14:39, 25 December 2014

NMR Solution Structure of a ldb1-LID:Lhx3-LIM complex

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