1q4x

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{{STRUCTURE_1q4x| PDB=1q4x | SCENE= }}
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==Crystal Structure of Human Thyroid Hormone Receptor beta LBD in complex with specific agonist GC-24==
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===Crystal Structure of Human Thyroid Hormone Receptor beta LBD in complex with specific agonist GC-24===
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<StructureSection load='1q4x' size='340' side='right' caption='[[1q4x]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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{{ABSTRACT_PUBMED_14673100}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1q4x]] is a 1 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=1Q4X OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1Q4X FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=G24:[4-(3-BENZYL-4-HYDROXYBENZYL)-3,5-DIMETHYLPHENOXY]ACETIC+ACID'>G24</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">THRB OR NR1A2 OR ERBA2 OR THR1 ([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><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1q4x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1q4x OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1q4x RCSB], [http://www.ebi.ac.uk/pdbsum/1q4x PDBsum]</span></td></tr>
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<table>
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== Disease ==
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[[http://www.uniprot.org/uniprot/THB_HUMAN THB_HUMAN]] Defects in THRB are the cause of generalized thyroid hormone resistance (GTHR) [MIM:[http://omim.org/entry/188570 188570]]. GTHR is a disease characterized by goiter, abnormal mental functions, increased susceptibility to infections, abnormal growth and bone maturation, tachycardia and deafness. Affected individuals may also have attention deficit-hyperactivity disorders (ADHD) and language difficulties. GTHR patients also have high levels of circulating thyroid hormones (T3-T4), with normal or slightly elevated thyroid stimulating hormone (TSH).<ref>PMID:2510172</ref> <ref>PMID:2153155</ref> <ref>PMID:1846005</ref> <ref>PMID:1661299</ref> <ref>PMID:1653889</ref> <ref>PMID:1563081</ref> <ref>PMID:1314846</ref> <ref>PMID:1619012</ref> <ref>PMID:1587388</ref> <ref>PMID:1324420</ref> <ref>PMID:8514853</ref> <ref>PMID:8175986</ref> <ref>PMID:7833659</ref> <ref>PMID:8664910</ref> <ref>PMID:8889584</ref> <ref>PMID:10660344</ref> <ref>PMID:16804041</ref> <ref>PMID:19268523</ref> Defects in THRB are the cause of generalized thyroid hormone resistance autosomal recessive (GTHRAR) [MIM:[http://omim.org/entry/274300 274300]]. An autosomal recessive disorder characterized by goiter, clinical euthyroidism, end-organ unresponsiveness to thyroid hormone, abnormal growth and bone maturation, and deafness. Patients also have high levels of circulating thyroid hormones, with elevated thyroid stimulating hormone. Defects in THRB are the cause of selective pituitary thyroid hormone resistance (PRTH) [MIM:[http://omim.org/entry/145650 145650]]; also known as familial hyperthyroidism due to inappropriate thyrotropin secretion. PRTH is a variant form of thyroid hormone resistance and is characterized by clinical hyperthyroidism, with elevated free thyroid hormones, but inappropriately normal serum TSH. Unlike GRTH, where the syndrome usually segregates with a dominant allele, the mode of inheritance in PRTH has not been established.<ref>PMID:7528740</ref> <ref>PMID:8381821</ref>
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== Function ==
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[[http://www.uniprot.org/uniprot/THB_HUMAN THB_HUMAN]] High affinity receptor for triiodothyronine.<ref>PMID:17418816</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/q4/1q4x_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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Selective therapeutics for nuclear receptors would revolutionize treatment for endocrine disease. Specific control of nuclear receptor activity is challenging because the internal cavities that bind hormones can be virtually identical. Only one highly selective hormone analog is known for the thyroid receptor, GC-24, an agonist for human thyroid hormone receptor beta. The compound differs from natural hormone in benzyl, substituting for an iodine atom in the 3' position. The benzyl is too large to fit into the enclosed pocket of the receptor. The crystal structure of human thyroid hormone receptor beta at 2.8-A resolution with GC-24 bound explains its agonist activity and unique isoform specificity. The benzyl of GC-24 is accommodated through shifts of 3-4 A in two helices. These helices are required for binding hormone and positioning the critical helix 12 at the C terminus. Despite these changes, the complex associates with coactivator as tightly as human thyroid hormone receptor bound to thyroid hormone and is fully active. Our data suggest that increased specificity of ligand recognition derives from creating a new hydrophobic cluster with ligand and protein components.
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==Disease==
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Ligand selectivity by seeking hydrophobicity in thyroid hormone receptor.,Borngraeber S, Budny MJ, Chiellini G, Cunha-Lima ST, Togashi M, Webb P, Baxter JD, Scanlan TS, Fletterick RJ Proc Natl Acad Sci U S A. 2003 Dec 23;100(26):15358-63. Epub 2003 Dec 12. PMID:14673100<ref>PMID:14673100</ref>
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[[http://www.uniprot.org/uniprot/THB_HUMAN THB_HUMAN]] Defects in THRB are the cause of generalized thyroid hormone resistance (GTHR) [MIM:[http://omim.org/entry/188570 188570]]. GTHR is a disease characterized by goiter, abnormal mental functions, increased susceptibility to infections, abnormal growth and bone maturation, tachycardia and deafness. Affected individuals may also have attention deficit-hyperactivity disorders (ADHD) and language difficulties. GTHR patients also have high levels of circulating thyroid hormones (T3-T4), with normal or slightly elevated thyroid stimulating hormone (TSH).<ref>PMID:2510172</ref><ref>PMID:2153155</ref><ref>PMID:1846005</ref><ref>PMID:1661299</ref><ref>PMID:1653889</ref><ref>PMID:1563081</ref><ref>PMID:1314846</ref><ref>PMID:1619012</ref><ref>PMID:1587388</ref><ref>PMID:1324420</ref><ref>PMID:8514853</ref><ref>PMID:8175986</ref><ref>PMID:7833659</ref><ref>PMID:8664910</ref><ref>PMID:8889584</ref><ref>PMID:10660344</ref><ref>PMID:16804041</ref><ref>PMID:19268523</ref> Defects in THRB are the cause of generalized thyroid hormone resistance autosomal recessive (GTHRAR) [MIM:[http://omim.org/entry/274300 274300]]. An autosomal recessive disorder characterized by goiter, clinical euthyroidism, end-organ unresponsiveness to thyroid hormone, abnormal growth and bone maturation, and deafness. Patients also have high levels of circulating thyroid hormones, with elevated thyroid stimulating hormone. Defects in THRB are the cause of selective pituitary thyroid hormone resistance (PRTH) [MIM:[http://omim.org/entry/145650 145650]]; also known as familial hyperthyroidism due to inappropriate thyrotropin secretion. PRTH is a variant form of thyroid hormone resistance and is characterized by clinical hyperthyroidism, with elevated free thyroid hormones, but inappropriately normal serum TSH. Unlike GRTH, where the syndrome usually segregates with a dominant allele, the mode of inheritance in PRTH has not been established.<ref>PMID:7528740</ref><ref>PMID:8381821</ref>
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==Function==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[http://www.uniprot.org/uniprot/THB_HUMAN THB_HUMAN]] High affinity receptor for triiodothyronine.<ref>PMID:17418816</ref>
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</div>
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== References ==
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==About this Structure==
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<references/>
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[[1q4x]] is a 1 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=1Q4X OCA].
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__TOC__
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:014673100</ref><references group="xtra"/><references/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Baxter, J D.]]
[[Category: Baxter, J D.]]

Revision as of 16:58, 29 September 2014

Crystal Structure of Human Thyroid Hormone Receptor beta LBD in complex with specific agonist GC-24

1q4x, resolution 2.80Å

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