4avw

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[[Image:4avw.jpg|left|200px]]
 
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==Crystal structure of human tankyrase 2 in complex with TIQ-A==
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The line below this paragraph, containing "STRUCTURE_4avw", creates the "Structure Box" on the page.
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<StructureSection load='4avw' size='340' side='right'caption='[[4avw]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[4avw]] is a 2 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=4AVW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4AVW 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]] 2.15&#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=G18:4H-THIENO[2,3-C]ISOQUINOLIN-5-ONE'>G18</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_4avw| PDB=4avw | SCENE= }}
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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=4avw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4avw OCA], [https://pdbe.org/4avw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4avw RCSB], [https://www.ebi.ac.uk/pdbsum/4avw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4avw ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/TNKS2_HUMAN TNKS2_HUMAN] Poly-ADP-ribosyltransferase involved in various processes such as Wnt signaling pathway, telomere length and vesicle trafficking. Acts as an activator of the Wnt signaling pathway by mediating poly-ADP-ribosylation of AXIN1 and AXIN2, 2 key components of the beta-catenin destruction complex: poly-ADP-ribosylated target proteins are recognized by RNF146, which mediates their ubiquitination and subsequent degradation. Also mediates poly-ADP-ribosylation of BLZF1 and CASC3, followed by recruitment of RNF146 and subsequent ubiquitination. Mediates poly-ADP-ribosylation of TERF1, thereby contributing to the regulation of telomere length. May also regulate vesicle trafficking and modulate the subcellular distribution of SLC2A4/GLUT4-vesicles.<ref>PMID:11802774</ref> <ref>PMID:11739745</ref> <ref>PMID:19759537</ref> <ref>PMID:21478859</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Tankyrases, an enzyme subfamily of human poly(ADP-ribosyl)polymerases, are potential drug targets especially against cancer. We have evaluated inhibition of tankyrases by known PARP inhibitors and report five cocrystal structures of the most potent compounds in complex with human tankyrase 2. The inhibitors include the small general PARP inhibitors Phenanthridinone, PJ-34, and TIQ-A as well as the more advanced inhibitors EB-47 and rucaparib. The compounds anchor to the nicotinamide subsite of tankyrase 2. Crystal structures reveal flexibility of the ligand binding site with implications for drug development against tankyrases and other ADP-ribosyltransferases. EB-47 mimics the substrate NAD(+) and extends from the nicotinamide to the adenosine subsite. The clinical ARTD1 inhibitor candidate rucaparib was the most potent tankyrase inhibitor identified (24 and 14 nM for tankyrases), which indicates that inhibition of tankyrases would affect the cellular responses of this compound.
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===Crystal structure of human tankyrase 2 in complex with TIQ-A===
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Evaluation and Structural Basis for the Inhibition of Tankyrases by PARP Inhibitors.,Haikarainen T, Narwal M, Joensuu P, Lehtio L ACS Med Chem Lett. 2013 Nov 20;5(1):18-22. doi: 10.1021/ml400292s. eCollection, 2014 Jan 9. PMID:24900770<ref>PMID:24900770</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 4avw" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[4avw]] is a 2 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=4AVW OCA].
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*[[Poly(ADP-ribose) polymerase 3D structures|Poly(ADP-ribose) polymerase 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Haikarainen, T.]]
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[[Category: Large Structures]]
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[[Category: Lehtio, L.]]
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[[Category: Haikarainen T]]
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[[Category: Narwal, M.]]
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[[Category: Lehtio L]]
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[[Category: Adp-ribosylation]]
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[[Category: Narwal M]]
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[[Category: Diphtheria toxin like fold]]
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[[Category: Protein-ligand complex]]
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[[Category: Transferase]]
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[[Category: Transferase inhibitor complex]]
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Current revision

Crystal structure of human tankyrase 2 in complex with TIQ-A

PDB ID 4avw

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