3vtd: Difference between revisions

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'''Unreleased structure'''


The entry 3vtd is ON HOLD
==Crystal structure of rat vitamin D receptor bound to a partial agonist 26-adamantyl-23-yne-19-norvitammin D ADTK4==
<StructureSection load='3vtd' size='340' side='right'caption='[[3vtd]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[3vtd]] is a 2 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=3VTD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3VTD FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.7&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=TKD:(1R,3R,7E,17BETA)-17-{(2R,6S)-6-HYDROXY-7-[(3S,5S,7S)-TRICYCLO[3.3.1.1~3,7~]DEC-1-YL]HEPT-4-YN-2-YL}-2-METHYLIDENE-9,10-SECOESTRA-5,7-DIENE-1,3-DIOL'>TKD</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3vtd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3vtd OCA], [https://pdbe.org/3vtd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3vtd RCSB], [https://www.ebi.ac.uk/pdbsum/3vtd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3vtd ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/VDR_RAT VDR_RAT] Nuclear hormone receptor. Transcription factor that mediates the action of vitamin D3 by controlling the expression of hormone sensitive genes. Regulates transcription of hormone sensitive genes via its association with the WINAC complex, a chromatin-remodeling complex. Recruited to promoters via its interaction with the WINAC complex subunit BAZ1B/WSTF, which mediates the interaction with acetylated histones, an essential step for VDR-promoter association. Plays a central role in calcium homeostasis.<ref>PMID:17227670</ref>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Vitamin D receptor (VDR) ligands are therapeutic agents that are used for the treatment of psoriasis, osteoporosis, and secondary hyperparathyroidism and have immense potential as therapeutic agents for autoimmune diseases, cancers, and cardiovascular diseases. However, the major side effect of VDR ligands, the development of hypercalcemia, limits their expanded use. To develop tissue-selective VDR modulators, we have designed vitamin D analogues with an adamantane ring at the side chain terminal, which would interfere with helix 12, the activation function 2, and modulate the VDR potency. Here we report 25- or 26-adamantyl-23,23,24,24-tetradehydro-19-norvitamin D derivatives (ADTK1-4, 4b,a and 5a,b). These compounds showed high VDR affinities (90% at maximum), partial agonistic activities (EC50 10-9-10-8 M with 40-80% efficacy) in transactivation, and tissue-selective activity in target gene expressions. We investigate the structure-activity relationships of these compounds on the basis of their X-ray crystal structures.


Authors: Nakabayashi, M., Shimizu, M., Ikura, T., Ito, N.
Combination of Triple Bond and Adamantane Ring on the Vitamin D Side Chain Produced Partial Agonists for Vitamin D Receptor.,Kudo T, Ishizawa M, Maekawa K, Nakabayashi M, Watarai Y, Uchida H, Tokiwa H, Ikura T, Ito N, Makishima M, Yamada S J Med Chem. 2014 May 7. PMID:24773565<ref>PMID:24773565</ref>


Description: Crystal structure of rat vitamin D receptor bound to a partial agonist 26-adamantyl-23-yne-19-norvitammin D ADTK4
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 3vtd" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Rattus norvegicus]]
[[Category: Ikura T]]
[[Category: Ito N]]
[[Category: Kudo T]]
[[Category: Makishima M]]
[[Category: Nakabayashi M]]
[[Category: Tokiwa H]]
[[Category: Yamada S]]

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