1yuc

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(New page: 200px<br /> <applet load="1yuc" size="450" color="white" frame="true" align="right" spinBox="true" caption="1yuc, resolution 1.90&Aring;" /> '''Human Nuclear Recep...)
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[[Image:1yuc.gif|left|200px]]<br />
 
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<applet load="1yuc" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="1yuc, resolution 1.90&Aring;" />
 
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'''Human Nuclear Receptor Liver Receptor Homologue-1, LRH-1, Bound to Phospholipid and a Fragment of Human SHP'''<br />
 
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==Overview==
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==Human Nuclear Receptor Liver Receptor Homologue-1, LRH-1, Bound to Phospholipid and a Fragment of Human SHP==
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The human nuclear receptor liver receptor homolog 1 (hLRH-1) plays an, important role in the development of breast carcinomas. This orphan, receptor is efficiently downregulated by the unusual co-repressor SHP and, has been thought to be ligand-independent. We present the crystal, structure at a resolution of 1.9 A of the ligand-binding domain of hLRH-1, in complex with the NR box 1 motif of human SHP, which we find contacts, the AF-2 region of hLRH-1 using selective structural motifs. Electron, density indicates phospholipid bound within the ligand-binding pocket, which we confirm using mass spectrometry of solvent-extracted samples. We, further show that pocket mutations reduce phospholipid binding and, receptor activity in vivo. Our results indicate that hLRH-1's control of, gene expression is mediated by phospholipid binding, and establish hLRH-1, as a novel target for compounds designed to slow breast cancer, development.
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<StructureSection load='1yuc' size='340' side='right'caption='[[1yuc]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1yuc]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YUC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1YUC FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EPH:L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE'>EPH</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></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=1yuc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yuc OCA], [https://pdbe.org/1yuc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1yuc RCSB], [https://www.ebi.ac.uk/pdbsum/1yuc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1yuc ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/NR5A2_HUMAN NR5A2_HUMAN] Binds to the sequence element 5'-AACGACCGACCTTGAG-3' of the enhancer II of hepatitis B virus genes, a critical cis-element of their expression and regulation. May be responsible for the liver-specific activity of enhancer II, probably in combination with other hepatocyte transcription factors. Key regulator of cholesterol 7-alpha-hydroxylase gene (CYP7A) expression in liver. May also contribute to the regulation of pancreas-specific genes and play important roles in embryonic development.
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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/yu/1yuc_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/main_output.php?pdb_ID=1yuc ConSurf].
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<div style="clear:both"></div>
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==Disease==
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==See Also==
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Known diseases associated with this structure: Obesity, mild, early-onset OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=604630 604630]]
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*[[Liver receptor homolog-1|Liver receptor homolog-1]]
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__TOC__
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==About this Structure==
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</StructureSection>
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1YUC is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with EPH and GOL as [http://en.wikipedia.org/wiki/ligands ligands]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1YUC OCA].
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==Reference==
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Modulation of human nuclear receptor LRH-1 activity by phospholipids and SHP., Ortlund EA, Lee Y, Solomon IH, Hager JM, Safi R, Choi Y, Guan Z, Tripathy A, Raetz CR, McDonnell DP, Moore DD, Redinbo MR, Nat Struct Mol Biol. 2005 Apr;12(4):357-63. Epub 2005 Feb 22. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=15723037 15723037]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Protein complex]]
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[[Category: Large Structures]]
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[[Category: Choi, Y.]]
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[[Category: Choi Y]]
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[[Category: Guan, Z.]]
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[[Category: Guan Z]]
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[[Category: Hager, J.M.]]
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[[Category: Hager JM]]
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[[Category: McDonnell, D.P.]]
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[[Category: McDonnell DP]]
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[[Category: Moore, D.D.]]
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[[Category: Moore DD]]
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[[Category: Ortlund, E.A.]]
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[[Category: Ortlund EA]]
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[[Category: Raetz, C.R.H.]]
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[[Category: Raetz CRH]]
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[[Category: Redinbo, M.R.]]
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[[Category: Redinbo MR]]
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[[Category: Safi, R.]]
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[[Category: Safi R]]
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[[Category: Solomon, I.H.]]
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[[Category: Solomon IH]]
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[[Category: Tripathy, A.]]
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[[Category: Tripathy A]]
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[[Category: Yoonkwang, L.]]
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[[Category: Yoonkwang L]]
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[[Category: EPH]]
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[[Category: GOL]]
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[[Category: liver receptor homologue 1; nuclear receptor ligand binding domain; lrh-1; phospholipid; shp; small heterodimer partner]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Mon Nov 12 20:24:42 2007''
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Current revision

Human Nuclear Receptor Liver Receptor Homologue-1, LRH-1, Bound to Phospholipid and a Fragment of Human SHP

PDB ID 1yuc

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