3zrf

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[[Image:3zrf.png|left|200px]]
 
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{{STRUCTURE_3zrf| PDB=3zrf | SCENE= }}
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==pVHL54-213-EloB-EloC complex_apo==
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<StructureSection load='3zrf' size='340' side='right'caption='[[3zrf]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3zrf]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3ZRF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3ZRF 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]] 2.8&#8491;</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=3zrf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3zrf OCA], [https://pdbe.org/3zrf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3zrf RCSB], [https://www.ebi.ac.uk/pdbsum/3zrf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3zrf ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ELOB_HUMAN ELOB_HUMAN] SIII, also known as elongin, is a general transcription elongation factor that increases the RNA polymerase II transcription elongation past template-encoded arresting sites. Subunit A is transcriptionally active and its transcription activity is strongly enhanced by binding to the dimeric complex of the SIII regulatory subunits B and C (elongin BC complex).<ref>PMID:7638163</ref> <ref>PMID:15590694</ref> The elongin BC complex seems to be involved as an adapter protein in the proteasomal degradation of target proteins via different E3 ubiquitin ligase complexes, including the von Hippel-Lindau ubiquitination complex CBC(VHL). By binding to BC-box motifs it seems to link target recruitment subunits, like VHL and members of the SOCS box family, to Cullin/RBX1 modules that activate E2 ubiquitination enzymes.<ref>PMID:7638163</ref> <ref>PMID:15590694</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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E3 ubiquitin ligases, which bind protein targets, leading to their ubiquitination and subsequent degradation, are attractive drug targets due to their exquisite substrate specificity. However, the development of small-molecule inhibitors has proven extraordinarily challenging as modulation of E3 ligase activities requires the targeting of protein-protein interactions. Using rational design, we have generated the first small molecule targeting the von Hippel-Lindau protein (VHL), the substrate recognition subunit of an E3 ligase, and an important target in cancer, chronic anemia, and ischemia. We have also obtained the crystal structure of VHL bound to our most potent inhibitor, confirming that the compound mimics the binding mode of the transcription factor HIF-1alpha, a substrate of VHL. These results have the potential to guide future development of improved lead compounds as therapeutics for the treatment of chronic anemia and ischemia.
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===pVHL54-213-EloB-EloC complex_apo===
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Targeting the von Hippel-Lindau E3 Ubiquitin Ligase Using Small Molecules To Disrupt the VHL/HIF-1alpha Interaction.,Buckley DL, Van Molle I, Gareiss PC, Tae HS, Michel J, Noblin DJ, Jorgensen WL, Ciulli A, Crews CM J Am Chem Soc. 2012 Mar 14;134(10):4465-8. Epub 2012 Feb 27. PMID:22369643<ref>PMID:22369643</ref>
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{{ABSTRACT_PUBMED_22369643}}
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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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==About this Structure==
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<div class="pdbe-citations 3zrf" style="background-color:#fffaf0;"></div>
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[[3zrf]] is a 12 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=3ZRF OCA].
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==See Also==
==See Also==
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*[[Elongation factor|Elongation factor]]
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*[[Elongation factor 3D structures|Elongation factor 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:022369643</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Buckley, D L.]]
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[[Category: Large Structures]]
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[[Category: Ciulli, A.]]
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[[Category: Buckley DL]]
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[[Category: Crews, C M.]]
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[[Category: Ciulli A]]
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[[Category: Molle, I Van.]]
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[[Category: Crews CM]]
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[[Category: Chronic aneamia treatment]]
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[[Category: Van Molle I]]
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[[Category: E3 ubiquitin ligase]]
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[[Category: Transcription]]
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[[Category: Tumour supressor protein]]
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Current revision

pVHL54-213-EloB-EloC complex_apo

PDB ID 3zrf

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