3okh

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{{STRUCTURE_3okh| PDB=3okh | SCENE= }}
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==Crystal structure of human FXR in complex with 2-(4-chlorophenyl)-1-[(1S)-1-cyclohexyl-2-(cyclohexylamino)-2-oxoethyl]-1H-benzimidazole-6-carboxylic acid==
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===Crystal structure of human FXR in complex with 2-(4-chlorophenyl)-1-[(1S)-1-cyclohexyl-2-(cyclohexylamino)-2-oxoethyl]-1H-benzimidazole-6-carboxylic acid===
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<StructureSection load='3okh' size='340' side='right' caption='[[3okh]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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{{ABSTRACT_PUBMED_21134747}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3okh]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3OKH OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3OKH FirstGlance]. <br>
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==Disease==
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=OKH:2-(4-CHLOROPHENYL)-1-[(1S)-1-CYCLOHEXYL-2-(CYCLOHEXYLAMINO)-2-OXOETHYL]-1H-BENZIMIDAZOLE-6-CARBOXYLIC+ACID'>OKH</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3oki|3oki]], [[3olf|3olf]], [[3omk|3omk]], [[3omm|3omm]], [[3oof|3oof]], [[3ook|3ook]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NR1H4, HCG_20893 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</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=3okh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3okh OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3okh RCSB], [http://www.ebi.ac.uk/pdbsum/3okh PDBsum]</span></td></tr>
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</table>
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== Disease ==
[[http://www.uniprot.org/uniprot/NCOA1_HUMAN NCOA1_HUMAN]] Note=A chromosomal aberration involving NCOA1 is a cause of rhabdomyosarcoma. Translocation t(2;2)(q35;p23) with PAX3 generates the NCOA1-PAX3 oncogene consisting of the N-terminus part of PAX3 and the C-terminus part of NCOA1. The fusion protein acts as a transcriptional activator. Rhabdomyosarcoma is the most common soft tissue carcinoma in childhood, representing 5-8% of all malignancies in children.
[[http://www.uniprot.org/uniprot/NCOA1_HUMAN NCOA1_HUMAN]] Note=A chromosomal aberration involving NCOA1 is a cause of rhabdomyosarcoma. Translocation t(2;2)(q35;p23) with PAX3 generates the NCOA1-PAX3 oncogene consisting of the N-terminus part of PAX3 and the C-terminus part of NCOA1. The fusion protein acts as a transcriptional activator. Rhabdomyosarcoma is the most common soft tissue carcinoma in childhood, representing 5-8% of all malignancies in children.
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== Function ==
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[[http://www.uniprot.org/uniprot/NR1H4_HUMAN NR1H4_HUMAN]] Ligand-activated transcription factor. Receptor for bile acids such as chenodeoxycholic acid, lithocholic acid and deoxycholic acid. Represses the transcription of the cholesterol 7-alpha-hydroxylase gene (CYP7A1) through the induction of NR0B2 or FGF19 expression, via two distinct mechanisms. Activates the intestinal bile acid-binding protein (IBABP). Activates the transcription of bile salt export pump ABCB11 by directly recruiting histone methyltransferase CARM1 to this locus.<ref>PMID:10334992</ref> <ref>PMID:10334993</ref> <ref>PMID:12815072</ref> <ref>PMID:15471871</ref> <ref>PMID:12718892</ref> <ref>PMID:18621523</ref> <ref>PMID:19410460</ref> <ref>PMID:19586769</ref> [[http://www.uniprot.org/uniprot/NCOA1_HUMAN NCOA1_HUMAN]] Nuclear receptor coactivator that directly binds nuclear receptors and stimulates the transcriptional activities in a hormone-dependent fashion. Involved in the coactivation of different nuclear receptors, such as for steroids (PGR, GR and ER), retinoids (RXRs), thyroid hormone (TRs) and prostanoids (PPARs). Also involved in coactivation mediated by STAT3, STAT5A, STAT5B and STAT6 transcription factors. Displays histone acetyltransferase activity toward H3 and H4; the relevance of such activity remains however unclear. Plays a central role in creating multisubunit coactivator complexes that act via remodeling of chromatin, and possibly acts by participating in both chromatin remodeling and recruitment of general transcription factors. Required with NCOA2 to control energy balance between white and brown adipose tissues. Required for mediating steroid hormone response. Isoform 2 has a higher thyroid hormone-dependent transactivation activity than isoform 1 and isoform 3.<ref>PMID:9427757</ref> <ref>PMID:7481822</ref> <ref>PMID:9223431</ref> <ref>PMID:9296499</ref> <ref>PMID:9223281</ref> <ref>PMID:10449719</ref> <ref>PMID:12954634</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Herein we describe the synthesis and structure activity relationship of a new class of FXR agonists identified from a high-throughput screening campaign. Further optimization of the original hits led to molecules that were highly active in an LDL-receptor KO model for dyslipidemia. The most promising candidate is discussed in more detail.
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==Function==
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Discovery of novel and orally active FXR agonists for the potential treatment of dyslipidemia &amp; diabetes.,Richter HG, Benson GM, Blum D, Chaput E, Feng S, Gardes C, Grether U, Hartman P, Kuhn B, Martin RE, Plancher JM, Rudolph MG, Schuler F, Taylor S, Bleicher KH Bioorg Med Chem Lett. 2011 Jan 1;21(1):191-4. Epub 2010 Nov 12. PMID:21134747<ref>PMID:21134747</ref>
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[[http://www.uniprot.org/uniprot/NR1H4_HUMAN NR1H4_HUMAN]] Ligand-activated transcription factor. Receptor for bile acids such as chenodeoxycholic acid, lithocholic acid and deoxycholic acid. Represses the transcription of the cholesterol 7-alpha-hydroxylase gene (CYP7A1) through the induction of NR0B2 or FGF19 expression, via two distinct mechanisms. Activates the intestinal bile acid-binding protein (IBABP). Activates the transcription of bile salt export pump ABCB11 by directly recruiting histone methyltransferase CARM1 to this locus.<ref>PMID:10334992</ref><ref>PMID:10334993</ref><ref>PMID:12815072</ref><ref>PMID:15471871</ref><ref>PMID:12718892</ref><ref>PMID:18621523</ref><ref>PMID:19410460</ref><ref>PMID:19586769</ref> [[http://www.uniprot.org/uniprot/NCOA1_HUMAN NCOA1_HUMAN]] Nuclear receptor coactivator that directly binds nuclear receptors and stimulates the transcriptional activities in a hormone-dependent fashion. Involved in the coactivation of different nuclear receptors, such as for steroids (PGR, GR and ER), retinoids (RXRs), thyroid hormone (TRs) and prostanoids (PPARs). Also involved in coactivation mediated by STAT3, STAT5A, STAT5B and STAT6 transcription factors. Displays histone acetyltransferase activity toward H3 and H4; the relevance of such activity remains however unclear. Plays a central role in creating multisubunit coactivator complexes that act via remodeling of chromatin, and possibly acts by participating in both chromatin remodeling and recruitment of general transcription factors. Required with NCOA2 to control energy balance between white and brown adipose tissues. Required for mediating steroid hormone response. Isoform 2 has a higher thyroid hormone-dependent transactivation activity than isoform 1 and isoform 3.<ref>PMID:9427757</ref><ref>PMID:7481822</ref><ref>PMID:9223431</ref><ref>PMID:9296499</ref><ref>PMID:9223281</ref><ref>PMID:10449719</ref><ref>PMID:12954634</ref>
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[3okh]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3OKH OCA].
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</div>
==See Also==
==See Also==
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*[[Bile acid receptor|Bile acid receptor]]
*[[Hormone|Hormone]]
*[[Hormone|Hormone]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:021134747</ref><references group="xtra"/><references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Rudolph, M G.]]
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[[Category: Rudolph, M G]]
[[Category: Bile acid]]
[[Category: Bile acid]]
[[Category: Cholesterol]]
[[Category: Cholesterol]]

Revision as of 07:14, 19 December 2014

Crystal structure of human FXR in complex with 2-(4-chlorophenyl)-1-[(1S)-1-cyclohexyl-2-(cyclohexylamino)-2-oxoethyl]-1H-benzimidazole-6-carboxylic acid

3okh, resolution 2.50Å

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