5y7y

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(New page: ==Crystal structure of AhRR/ARNT complex== <StructureSection load='5y7y' size='340' side='right' caption='5y7y, resolution 2.40&Aring;' scene=''> == Structural highligh...)
Current revision (10:22, 27 March 2024) (edit) (undo)
 
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==Crystal structure of AhRR/ARNT complex==
==Crystal structure of AhRR/ARNT complex==
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<StructureSection load='5y7y' size='340' side='right' caption='[[5y7y]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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<StructureSection load='5y7y' size='340' side='right'caption='[[5y7y]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5y7y]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bovin Bovin] and [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5Y7Y OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5Y7Y FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5y7y]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus] and [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5Y7Y OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5Y7Y FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</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]] 2.4&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">AHRR, BHLHE77, KIAA1234 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN]), ARNT ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9913 BOVIN])</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=GOL:GLYCEROL'>GOL</scene></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=5y7y FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5y7y OCA], [http://pdbe.org/5y7y PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5y7y RCSB], [http://www.ebi.ac.uk/pdbsum/5y7y PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5y7y ProSAT]</span></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=5y7y FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5y7y OCA], [https://pdbe.org/5y7y PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5y7y RCSB], [https://www.ebi.ac.uk/pdbsum/5y7y PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5y7y ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/AHRR_HUMAN AHRR_HUMAN]] Mediates dioxin toxicity and is involved in regulation of cell growth and differentiation. Represses the transcription activity of AHR by competing with this transcription factor for heterodimer formation with the ARNT and subsequently binding to the xenobiotic response element (XRE) sequence present in the promoter regulatory region of variety of genes. Represses CYP1A1 by binding the XRE sequence and recruiting ANKRA2, HDAC4 and/or HDAC5. Autoregulates its expression by associating with its own XRE site.<ref>PMID:17890447</ref> <ref>PMID:18172554</ref> [[http://www.uniprot.org/uniprot/ARNT_BOVIN ARNT_BOVIN]] Required for activity of the Ah (dioxin) receptor. This protein is required for the ligand-binding subunit to translocate from the cytosol to the nucleus after ligand binding. The complex then initiates transcription of genes involved in the activation of PAH procarcinogens (By similarity). The heterodimer with HIF1A or EPAS1/HIF2A functions as a transcriptional regulator of the adaptive response to hypoxia (By similarity).
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[https://www.uniprot.org/uniprot/AHRR_HUMAN AHRR_HUMAN] Mediates dioxin toxicity and is involved in regulation of cell growth and differentiation. Represses the transcription activity of AHR by competing with this transcription factor for heterodimer formation with the ARNT and subsequently binding to the xenobiotic response element (XRE) sequence present in the promoter regulatory region of variety of genes. Represses CYP1A1 by binding the XRE sequence and recruiting ANKRA2, HDAC4 and/or HDAC5. Autoregulates its expression by associating with its own XRE site.<ref>PMID:17890447</ref> <ref>PMID:18172554</ref>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Bovin]]
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[[Category: Bos taurus]]
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[[Category: Human]]
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[[Category: Homo sapiens]]
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[[Category: Ohto, U]]
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[[Category: Large Structures]]
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[[Category: Sakurai, S]]
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[[Category: Ohto U]]
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[[Category: Shimizu, T]]
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[[Category: Sakurai S]]
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[[Category: Transcription]]
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[[Category: Shimizu T]]
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[[Category: Transcriptional regulation]]
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Current revision

Crystal structure of AhRR/ARNT complex

PDB ID 5y7y

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