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- | {{Seed}} | |
- | [[Image:1ttu.png|left|200px]] | |
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- | <!--
| + | ==Crystal Structure of CSL bound to DNA== |
- | The line below this paragraph, containing "STRUCTURE_1ttu", creates the "Structure Box" on the page.
| + | <StructureSection load='1ttu' size='340' side='right'caption='[[1ttu]], [[Resolution|resolution]] 2.85Å' scene=''> |
- | You may change the PDB parameter (which sets the PDB file loaded into the applet)
| + | == Structural highlights == |
- | or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
| + | <table><tr><td colspan='2'>[[1ttu]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Caenorhabditis_elegans Caenorhabditis elegans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TTU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1TTU FirstGlance]. <br> |
- | or leave the SCENE parameter empty for the default display.
| + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.85Å</td></tr> |
- | -->
| + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene></td></tr> |
- | {{STRUCTURE_1ttu| PDB=1ttu | SCENE= }}
| + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1ttu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ttu OCA], [https://pdbe.org/1ttu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ttu RCSB], [https://www.ebi.ac.uk/pdbsum/1ttu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ttu ProSAT]</span></td></tr> |
- | | + | </table> |
- | ===Crystal Structure of CSL bound to DNA===
| + | == Function == |
- | | + | [https://www.uniprot.org/uniprot/LAG1_CAEEL LAG1_CAEEL] Transcriptional regulator that plays a central role in lin-12/Notch and glp-1/Notch signaling pathways, involved in cell-cell communication that regulate a broad spectrum of cell-fate determinations (PubMed:8625826). Binds directly to the 5'-[A/G]TGGGAA-3' DNA consensus sequence, which is present in the regulatory region of several genes (PubMed:8625826, PubMed:18706403, PubMed:23615264, PubMed:15297877, PubMed:32196486, PubMed:21737278). Acts as a transcriptional repressor when it is not associated with Notch proteins (By similarity). When in a complex with a Notch intracellular domain (NICD) product of lin-12/Notch or glp-1/Notch, and transcription regulator lag-3, it may act as a transcriptional activator that activates transcription of target genes(PubMed:18381292, PubMed:10830967, PubMed:32196486, PubMed:9003776). Probably represses or activates transcription via the recruitment of chromatin remodeling complexes containing histone deacetylase or histone acetylase proteins, respectively (By similarity). Autonomously required in the germline for the stem cell fate, acting in the glp-1-dependent transcriptional activation of genes, including lst-1 and sygl-1 (PubMed:32196486). Involved in cell-fate specification during reproductive system development, by positively autoregulating its own expression, in response to lin-12/Notch signaling (PubMed:23615264, PubMed:32839181). Plays a role in Notch-dependent induction of left-right asymmetry in interneurons and motoneurons (PubMed:21737278). May repress expression of hlh-6, in a lin-12/Notch-independent manner (PubMed:18706403).[UniProtKB:P28159]<ref>PMID:10830967</ref> <ref>PMID:15297877</ref> <ref>PMID:18381292</ref> <ref>PMID:18706403</ref> <ref>PMID:21737278</ref> <ref>PMID:23615264</ref> <ref>PMID:32196486</ref> <ref>PMID:32839181</ref> <ref>PMID:8625826</ref> |
- | | + | == Evolutionary Conservation == |
- | <!-- | + | [[Image:Consurf_key_small.gif|200px|right]] |
- | The line below this paragraph, {{ABSTRACT_PUBMED_15297877}}, adds the Publication Abstract to the page
| + | Check<jmol> |
- | (as it appears on PubMed at http://www.pubmed.gov), where 15297877 is the PubMed ID number.
| + | <jmolCheckbox> |
- | -->
| + | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/tt/1ttu_consurf.spt"</scriptWhenChecked> |
- | {{ABSTRACT_PUBMED_15297877}}
| + | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> |
- | | + | <text>to colour the structure by Evolutionary Conservation</text> |
- | ==About this Structure== | + | </jmolCheckbox> |
- | 1TTU is a 3 chains structure of sequences from [http://en.wikipedia.org/wiki/Caenorhabditis_elegans Caenorhabditis elegans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TTU OCA].
| + | </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/main_output.php?pdb_ID=1ttu ConSurf]. |
- | | + | <div style="clear:both"></div> |
- | ==Reference== | + | == References == |
- | <ref group="xtra">PMID:15297877</ref><references group="xtra"/> | + | <references/> |
| + | __TOC__ |
| + | </StructureSection> |
| [[Category: Caenorhabditis elegans]] | | [[Category: Caenorhabditis elegans]] |
- | [[Category: Hendrickson, W A.]] | + | [[Category: Large Structures]] |
- | [[Category: Kovall, R A.]] | + | [[Category: Hendrickson WA]] |
- | [[Category: Beta-trefoil domain]] | + | [[Category: Kovall RA]] |
- | [[Category: Csl]]
| + | |
- | [[Category: Notch signaling]]
| + | |
- | [[Category: Protein-dna complex]]
| + | |
- | [[Category: Rel homology region]]
| + | |
- | [[Category: Transcription factor]]
| + | |
- | | + | |
- | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 12:36:48 2009''
| + | |
| Structural highlights
Function
LAG1_CAEEL Transcriptional regulator that plays a central role in lin-12/Notch and glp-1/Notch signaling pathways, involved in cell-cell communication that regulate a broad spectrum of cell-fate determinations (PubMed:8625826). Binds directly to the 5'-[A/G]TGGGAA-3' DNA consensus sequence, which is present in the regulatory region of several genes (PubMed:8625826, PubMed:18706403, PubMed:23615264, PubMed:15297877, PubMed:32196486, PubMed:21737278). Acts as a transcriptional repressor when it is not associated with Notch proteins (By similarity). When in a complex with a Notch intracellular domain (NICD) product of lin-12/Notch or glp-1/Notch, and transcription regulator lag-3, it may act as a transcriptional activator that activates transcription of target genes(PubMed:18381292, PubMed:10830967, PubMed:32196486, PubMed:9003776). Probably represses or activates transcription via the recruitment of chromatin remodeling complexes containing histone deacetylase or histone acetylase proteins, respectively (By similarity). Autonomously required in the germline for the stem cell fate, acting in the glp-1-dependent transcriptional activation of genes, including lst-1 and sygl-1 (PubMed:32196486). Involved in cell-fate specification during reproductive system development, by positively autoregulating its own expression, in response to lin-12/Notch signaling (PubMed:23615264, PubMed:32839181). Plays a role in Notch-dependent induction of left-right asymmetry in interneurons and motoneurons (PubMed:21737278). May repress expression of hlh-6, in a lin-12/Notch-independent manner (PubMed:18706403).[UniProtKB:P28159][1] [2] [3] [4] [5] [6] [7] [8] [9]
Evolutionary Conservation
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
References
- ↑ Petcherski AG, Kimble J. LAG-3 is a putative transcriptional activator in the C. elegans Notch pathway. Nature. 2000 May 18;405(6784):364-8. PMID:10830967 doi:10.1038/35012645
- ↑ Kovall RA, Hendrickson WA. Crystal structure of the nuclear effector of Notch signaling, CSL, bound to DNA. EMBO J. 2004 Sep 1;23(17):3441-51. Epub 2004 Aug 5. PMID:15297877 doi:10.1038/sj.emboj.7600349
- ↑ Friedmann DR, Wilson JJ, Kovall RA. RAM-induced allostery facilitates assembly of a notch pathway active transcription complex. J Biol Chem. 2008 May 23;283(21):14781-91. Epub 2008 Apr 1. PMID:18381292 doi:http://dx.doi.org/10.1074/jbc.M709501200
- ↑ Ghai V, Gaudet J. The CSL transcription factor LAG-1 directly represses hlh-6 expression in C. elegans. Dev Biol. 2008 Oct 15;322(2):334-44. PMID:18706403 doi:10.1016/j.ydbio.2008.07.018
- ↑ Bertrand V, Bisso P, Poole RJ, Hobert O. Notch-dependent induction of left/right asymmetry in C. elegans interneurons and motoneurons. Curr Biol. 2011 Jul 26;21(14):1225-31. PMID:21737278 doi:10.1016/j.cub.2011.06.016
- ↑ Choi VN, Park SK, Hwang BJ. Clustered LAG-1 binding sites in lag-1/CSL are involved in regulating lag-1 expression during lin-12/Notch-dependent cell-fate specification. BMB Rep. 2013 Apr;46(4):219-24. PMID:23615264 doi:10.5483/bmbrep.2013.46.4.269
- ↑ Chen J, Mohammad A, Pazdernik N, Huang H, Bowman B, Tycksen E, Schedl T. GLP-1 Notch-LAG-1 CSL control of the germline stem cell fate is mediated by transcriptional targets lst-1 and sygl-1. PLoS Genet. 2020 Mar 20;16(3):e1008650. PMID:32196486 doi:10.1371/journal.pgen.1008650
- ↑ Luo KL, Underwood RS, Greenwald I. Positive autoregulation of lag-1 in response to LIN-12 activation in cell fate decisions during C. elegans reproductive system development. Development. 2020 Sep 28;147(18):dev193482. PMID:32839181 doi:10.1242/dev.193482
- ↑ Christensen S, Kodoyianni V, Bosenberg M, Friedman L, Kimble J. lag-1, a gene required for lin-12 and glp-1 signaling in Caenorhabditis elegans, is homologous to human CBF1 and Drosophila Su(H). Development. 1996 May;122(5):1373-83. PMID:8625826 doi:10.1242/dev.122.5.1373
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