1i38: Difference between revisions

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[[Image:1i38.png|left|200px]]


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==CRYSTAL STRUCTURE OF THE RAT ANDROGEN RECEPTOR LIGAND BINDING DOMAIN T877A MUTANT COMPLEX WITH DIHYDROTESTOSTERONE==
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<StructureSection load='1i38' size='340' side='right'caption='[[1i38]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1i38]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1I38 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1I38 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]] 2&#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=DHT:5-ALPHA-DIHYDROTESTOSTERONE'>DHT</scene></td></tr>
{{STRUCTURE_1i38|  PDB=1i38  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1i38 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1i38 OCA], [https://pdbe.org/1i38 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1i38 RCSB], [https://www.ebi.ac.uk/pdbsum/1i38 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1i38 ProSAT]</span></td></tr>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/ANDR_RAT ANDR_RAT] Note=Defects in Ar are a cause of androgen insensitivity. Rats with this syndrome are called testicular feminized (TFM).<ref>PMID:2341409</ref>
== Function ==
[https://www.uniprot.org/uniprot/ANDR_RAT ANDR_RAT] Steroid hormone receptors are ligand-activated transcription factors that regulate eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues. Transcription factor activity is modulated by bound coactivator and corepressor proteins. Transcription activation is down-regulated by NR0B2. Activated, but not phosphorylated, by HIPK3 and ZIPK/DAPK3 (By similarity).<ref>PMID:17181141</ref> <ref>PMID:17008401</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
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    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1i38 ConSurf].
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== Publication Abstract from PubMed ==
The structures of the ligand-binding domains (LBD) of the wild-type androgen receptor (AR) and the T877A mutant corresponding to that in LNCaP cells, both bound to dihydrotestosterone, have been refined at 2.0 A resolution. In contrast to the homodimer seen in the retinoid-X receptor and estrogen receptor LBD structures, the AR LBD is monomeric, possibly because of the extended C terminus of AR, which lies in a groove at the dimerization interface. Binding of the natural ligand dihydrotestosterone by the mutant LBD involves interactions with the same residues as in the wild-type receptor, with the exception of the side chain of threonine 877, which is an alanine residue in the mutant. This structural difference in the binding pocket can explain the ability of the mutant AR found in LNCaP cells (T877A) to accommodate progesterone and other ligands that the wild-type receptor cannot.


===CRYSTAL STRUCTURE OF THE RAT ANDROGEN RECEPTOR LIGAND BINDING DOMAIN T877A MUTANT COMPLEX WITH DIHYDROTESTOSTERONE===
Crystallographic structures of the ligand-binding domains of the androgen receptor and its T877A mutant complexed with the natural agonist dihydrotestosterone.,Sack JS, Kish KF, Wang C, Attar RM, Kiefer SE, An Y, Wu GY, Scheffler JE, Salvati ME, Krystek SR Jr, Weinmann R, Einspahr HM Proc Natl Acad Sci U S A. 2001 Apr 24;98(9):4904-9. PMID:11320241<ref>PMID:11320241</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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==See Also==
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*[[Androgen receptor 3D structures|Androgen receptor 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 11320241 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_11320241}}
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</StructureSection>
==About this Structure==
[[Category: Large Structures]]
1I38 is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1I38 OCA].
 
==Reference==
<ref group="xtra">PMID:11320241</ref><references group="xtra"/>
[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
[[Category: Sack, J S.]]
[[Category: Sack JS]]
[[Category: Androgen receptor]]
[[Category: Ligand-binding domain]]
[[Category: Nuclear receptor]]
[[Category: Steroid receptor]]
[[Category: Transcription regulation]]
 
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