2acl: Difference between revisions

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==Liver X-Receptor alpha Ligand Binding Domain with SB313987==
==Liver X-Receptor alpha Ligand Binding Domain with SB313987==
<StructureSection load='2acl' size='340' side='right' caption='[[2acl]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
<StructureSection load='2acl' size='340' side='right' caption='[[2acl]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=L05:1-BENZYL-3-(4-METHOXYPHENYLAMINO)-4-PHENYLPYRROLE-2,5-DIONE'>L05</scene>, <scene name='pdbligand=REA:RETINOIC+ACID'>REA</scene></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=L05:1-BENZYL-3-(4-METHOXYPHENYLAMINO)-4-PHENYLPYRROLE-2,5-DIONE'>L05</scene>, <scene name='pdbligand=REA:RETINOIC+ACID'>REA</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">RXRA, NR2B1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN]), Nr1h3, Lxra ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 LK3 transgenic mice])</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">RXRA, NR2B1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN]), Nr1h3, Lxra ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 LK3 transgenic mice])</td></tr>
<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=2acl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2acl OCA], [http://pdbe.org/2acl PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2acl RCSB], [http://www.ebi.ac.uk/pdbsum/2acl PDBsum]</span></td></tr>
<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=2acl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2acl OCA], [http://pdbe.org/2acl PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2acl RCSB], [http://www.ebi.ac.uk/pdbsum/2acl PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2acl ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ac/2acl_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ac/2acl_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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==See Also==
==See Also==
*[[Liver X receptor|Liver X receptor]]
*[[Retinoid X receptor|Retinoid X receptor]]
*[[Retinoid X receptor|Retinoid X receptor]]
== References ==
== References ==

Revision as of 09:58, 9 May 2018

Liver X-Receptor alpha Ligand Binding Domain with SB313987Liver X-Receptor alpha Ligand Binding Domain with SB313987

Structural highlights

2acl is a 8 chain structure with sequence from Human and Lk3 transgenic mice. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:,
Gene:RXRA, NR2B1 (HUMAN), Nr1h3, Lxra (LK3 transgenic mice)
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[RXRA_HUMAN] Receptor for retinoic acid. Retinoic acid receptors bind as heterodimers to their target response elements in response to their ligands, all-trans or 9-cis retinoic acid, and regulate gene expression in various biological processes. The RAR/RXR heterodimers bind to the retinoic acid response elements (RARE) composed of tandem 5'-AGGTCA-3' sites known as DR1-DR5. The high affinity ligand for RXRs is 9-cis retinoic acid. RXRA serves as a common heterodimeric partner for a number of nuclear receptors. The RXR/RAR heterodimers bind to the retinoic acid response elements (RARE) composed of tandem 5'-AGGTCA-3' sites known as DR1-DR5. In the absence of ligand, the RXR-RAR heterodimers associate with a multiprotein complex containing transcription corepressors that induce histone acetylation, chromatin condensation and transcriptional suppression. On ligand binding, the corepressors dissociate from the receptors and associate with the coactivators leading to transcriptional activation. The RXRA/PPARA heterodimer is required for PPARA transcriptional activity on fatty acid oxidation genes such as ACOX1 and the P450 system genes.[1] [2] [3] [4] [NR1H3_MOUSE] Orphan receptor. Interaction with RXR shifts RXR from its role as a silent DNA-binding partner to an active ligand-binding subunit in mediating retinoid responses through target genes defined by LXRES. LXRES are DR4-type response elements characterized by direct repeats of two similar hexanuclotide half-sites spaced by four nucleotides. Plays an important role in the regulation of cholesterol homeostasis, regulating cholesterol uptake through MYLIP-dependent ubiquitination of LDLR, VLDLR and LRP8.[5] [6]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

Substituted 3-(phenylamino)-1H-pyrrole-2,5-diones were identified from a high throughput screen as inducers of human ATP binding cassette transporter A1 expression. Mechanism of action studies led to the identification of GSK3987 as an LXR ligand. GSK3987 recruits the steroid receptor coactivator-1 to human LXRalpha and LXRbeta with EC(50)s of 40 nM, profiles as an LXR agonist in functional assays, and activates LXR though a mechanism that is similar to first generation LXR agonists.

Discovery of substituted maleimides as liver X receptor agonists and determination of a ligand-bound crystal structure.,Jaye MC, Krawiec JA, Campobasso N, Smallwood A, Qiu C, Lu Q, Kerrigan JJ, De Los Frailes Alvaro M, Laffitte B, Liu WS, Marino JP Jr, Meyer CR, Nichols JA, Parks DJ, Perez P, Sarov-Blat L, Seepersaud SD, Steplewski KM, Thompson SK, Wang P, Watson MA, Webb CL, Haigh D, Caravella JA, Macphee CH, Willson TM, Collins JL J Med Chem. 2005 Aug 25;48(17):5419-22. PMID:16107141[7]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. Gorla-Bajszczak A, Juge-Aubry C, Pernin A, Burger AG, Meier CA. Conserved amino acids in the ligand-binding and tau(i) domains of the peroxisome proliferator-activated receptor alpha are necessary for heterodimerization with RXR. Mol Cell Endocrinol. 1999 Jan 25;147(1-2):37-47. PMID:10195690
  2. Harish S, Ashok MS, Khanam T, Rangarajan PN. Serine 27, a human retinoid X receptor alpha residue, phosphorylated by protein kinase A is essential for cyclicAMP-mediated downregulation of RXRalpha function. Biochem Biophys Res Commun. 2000 Dec 29;279(3):853-7. PMID:11162439 doi:10.1006/bbrc.2000.4043
  3. Tsutsumi T, Suzuki T, Shimoike T, Suzuki R, Moriya K, Shintani Y, Fujie H, Matsuura Y, Koike K, Miyamura T. Interaction of hepatitis C virus core protein with retinoid X receptor alpha modulates its transcriptional activity. Hepatology. 2002 Apr;35(4):937-46. PMID:11915042 doi:10.1053/jhep.2002.32470
  4. Santos NC, Kim KH. Activity of retinoic acid receptor-alpha is directly regulated at its protein kinase A sites in response to follicle-stimulating hormone signaling. Endocrinology. 2010 May;151(5):2361-72. doi: 10.1210/en.2009-1338. Epub 2010 Mar , 9. PMID:20215566 doi:10.1210/en.2009-1338
  5. Zelcer N, Hong C, Boyadjian R, Tontonoz P. LXR regulates cholesterol uptake through Idol-dependent ubiquitination of the LDL receptor. Science. 2009 Jul 3;325(5936):100-4. doi: 10.1126/science.1168974. Epub 2009 Jun , 11. PMID:19520913 doi:10.1126/science.1168974
  6. Hong C, Duit S, Jalonen P, Out R, Scheer L, Sorrentino V, Boyadjian R, Rodenburg KW, Foley E, Korhonen L, Lindholm D, Nimpf J, van Berkel TJ, Tontonoz P, Zelcer N. The E3 ubiquitin ligase IDOL induces the degradation of the low density lipoprotein receptor family members VLDLR and ApoER2. J Biol Chem. 2010 Jun 25;285(26):19720-6. doi: 10.1074/jbc.M110.123729. Epub 2010, Apr 28. PMID:20427281 doi:10.1074/jbc.M110.123729
  7. Jaye MC, Krawiec JA, Campobasso N, Smallwood A, Qiu C, Lu Q, Kerrigan JJ, De Los Frailes Alvaro M, Laffitte B, Liu WS, Marino JP Jr, Meyer CR, Nichols JA, Parks DJ, Perez P, Sarov-Blat L, Seepersaud SD, Steplewski KM, Thompson SK, Wang P, Watson MA, Webb CL, Haigh D, Caravella JA, Macphee CH, Willson TM, Collins JL. Discovery of substituted maleimides as liver X receptor agonists and determination of a ligand-bound crystal structure. J Med Chem. 2005 Aug 25;48(17):5419-22. PMID:16107141 doi:10.1021/jm050532w

2acl, resolution 2.80Å

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