5xpn

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Current revision (10:19, 27 March 2024) (edit) (undo)
 
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<StructureSection load='5xpn' size='340' side='right'caption='[[5xpn]], [[Resolution|resolution]] 1.96&Aring;' scene=''>
<StructureSection load='5xpn' size='340' side='right'caption='[[5xpn]], [[Resolution|resolution]] 1.96&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5xpn]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5XPN OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=5XPN FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5xpn]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5XPN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5XPN FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=8BO:(1~{R},3~{R})-5-[(2~{E})-2-[(1~{R},3~{a}~{S},7~{a}~{R})-1-[(2~{R},6~{S})-6-(4-hydroxyphenyl)-6-methoxy-hexan-2-yl]-7~{a}-methyl-2,3,3~{a},5,6,7-hexahydro-1~{H}-inden-4-ylidene]ethylidene]-2-methylidene-cyclohexane-1,3-diol'>8BO</scene>, <scene name='pdbligand=9RO:(1~{R},3~{R})-5-[(2~{E})-2-[(1~{R},3~{a}~{S},7~{a}~{R})-1-[(2~{R},6~{R})-6-(4-hydroxyphenyl)-6-methoxy-hexan-2-yl]-7~{a}-methyl-2,3,3~{a},5,6,7-hexahydro-1~{H}-inden-4-ylidene]ethylidene]-2-methylidene-cyclohexane-1,3-diol'>9RO</scene></td></tr>
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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]] 1.96&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=5xpn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5xpn OCA], [http://pdbe.org/5xpn PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5xpn RCSB], [http://www.ebi.ac.uk/pdbsum/5xpn PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5xpn ProSAT]</span></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=8BO:(1~{R},3~{R})-5-[(2~{E})-2-[(1~{R},3~{a}~{S},7~{a}~{R})-1-[(2~{R},6~{S})-6-(4-hydroxyphenyl)-6-methoxy-hexan-2-yl]-7~{a}-methyl-2,3,3~{a},5,6,7-hexahydro-1~{H}-inden-4-ylidene]ethylidene]-2-methylidene-cyclohexane-1,3-diol'>8BO</scene>, <scene name='pdbligand=9RO:(1~{R},3~{R})-5-[(2~{E})-2-[(1~{R},3~{a}~{S},7~{a}~{R})-1-[(2~{R},6~{R})-6-(4-hydroxyphenyl)-6-methoxy-hexan-2-yl]-7~{a}-methyl-2,3,3~{a},5,6,7-hexahydro-1~{H}-inden-4-ylidene]ethylidene]-2-methylidene-cyclohexane-1,3-diol'>9RO</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=5xpn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5xpn OCA], [https://pdbe.org/5xpn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5xpn RCSB], [https://www.ebi.ac.uk/pdbsum/5xpn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5xpn ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://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>
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[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>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Vitamin D receptor (VDR) antagonists can be classified into two categories: the first category of VDR antagonists, which do not stabilize the helix 11-12, and the second category of antagonists, which destabilize the helix 6-7 region. To elucidate the mechanism underlying the first category antagonists by using the crystal structure, we designed and synthesized several VDR ligands with a p-hydroxyphenyl group at the C25-position. Of these, 22S-butyl-25-carbonyl analogue 5b and 25-di-p-hydoroxyphenyl analogues 6a,b showed strong antagonistic activity. We succeeded in cocrystallizing the ligand-binding domain of VDR complexed with 5b and found that the structure showed an alternative conformation of the helix 11-12 that explained the mechanism of the first category antagonists. Taking the present and previous studies together, we could elucidate the mechanisms underlying first and second categories antagonists based on individual crystal structures. This study provides significant insights into antagonism against not only VDR but also nuclear receptors.
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Vitamin D Analogues with a p-Hydroxyphenyl Group at the C25 Position: Crystal Structure of Vitamin D Receptor Ligand-Binding Domain Complexed with the Ligand Explains the Mechanism Underlying Full Antagonistic Action.,Kato A, Yamao M, Hashihara Y, Ishida H, Itoh T, Yamamoto K J Med Chem. 2017 Oct 26;60(20):8394-8406. doi: 10.1021/acs.jmedchem.7b00819. Epub, 2017 Oct 10. PMID:28954197<ref>PMID:28954197</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 5xpn" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Itoh, T]]
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[[Category: Rattus norvegicus]]
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[[Category: Kato, A]]
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[[Category: Itoh T]]
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[[Category: Yamamoto, K]]
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[[Category: Kato A]]
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[[Category: Co-factor]]
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[[Category: Yamamoto K]]
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[[Category: Rxr]]
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[[Category: Transcription]]
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[[Category: Vdr]]
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[[Category: Vdre]]
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[[Category: Vitamin d3]]
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Current revision

Crystal structure of VDR-LBD complexed with 25RS-(hydroxyphenyl)-25-methoxy-2-methylidene-19,26,27-trinor-1-hydroxyvitamin D3

PDB ID 5xpn

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OCA

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