3zk6

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{{STRUCTURE_3zk6| PDB=3zk6 | SCENE= }}
 
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===Crystal structure of Bcl-xL in complex with inhibitor (Compound 2).===
 
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{{ABSTRACT_PUBMED_23603658}}
 
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==Function==
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==Crystal structure of Bcl-xL in complex with inhibitor (Compound 2).==
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[[http://www.uniprot.org/uniprot/B2CL1_HUMAN B2CL1_HUMAN]] Potent inhibitor of cell death. Inhibits activation of caspases (By similarity). Appears to regulate cell death by blocking the voltage-dependent anion channel (VDAC) by binding to it and preventing the release of the caspase activator, CYC1, from the mitochondrial membrane. Also acts as a regulator of G2 checkpoint and progression to cytokinesis during mitosis.<ref>PMID:19917720</ref> <ref>PMID:21840391</ref> Isoform Bcl-X(S) promotes apoptosis.<ref>PMID:19917720</ref> <ref>PMID:21840391</ref>
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<StructureSection load='3zk6' size='340' side='right'caption='[[3zk6]], [[Resolution|resolution]] 2.48&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3zk6]] 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=3ZK6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3ZK6 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]] 2.48&#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=H1I:N-(3-(5-(1-(2-(BENZO[D]THIAZOL-2-YL)HYDRAZONO)ETHYL)FURAN-2-YL)PHENYLSULFONYL)-6-PHENYLHEXANAMIDE'>H1I</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=3zk6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3zk6 OCA], [https://pdbe.org/3zk6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3zk6 RCSB], [https://www.ebi.ac.uk/pdbsum/3zk6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3zk6 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/B2CL1_HUMAN B2CL1_HUMAN] Potent inhibitor of cell death. Inhibits activation of caspases (By similarity). Appears to regulate cell death by blocking the voltage-dependent anion channel (VDAC) by binding to it and preventing the release of the caspase activator, CYC1, from the mitochondrial membrane. Also acts as a regulator of G2 checkpoint and progression to cytokinesis during mitosis.<ref>PMID:19917720</ref> <ref>PMID:21840391</ref> Isoform Bcl-X(S) promotes apoptosis.<ref>PMID:19917720</ref> <ref>PMID:21840391</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The prosurvival BCL-2 family protein BCL-XL is often overexpressed in solid tumors and renders malignant tumor cells resistant to anticancer therapeutics. Enhancing apoptotic responses by inhibiting BCL-XL will most likely have widespread utility in cancer treatment and, instead of inhibiting multiple prosurvival BCL-2 family members, a BCL-XL-selective inhibitor would be expected to minimize the toxicity to normal tissues. We describe the use of a high-throughput screen to discover a new series of small molecules targeting BCL-XL and their structure-guided development by medicinal chemistry. The optimized compound, WEHI-539 (7), has high affinity (subnanomolar) and selectivity for BCL-XL and potently kills cells by selectively antagonizing its prosurvival activity. WEHI-539 will be an invaluable tool for distinguishing the roles of BCL-XL from those of its prosurvival relatives, both in normal cells and notably in malignant tumor cells, many of which may prove to rely upon BCL-XL for their sustained growth.
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==About this Structure==
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Structure-guided design of a selective BCL-X inhibitor.,Lessene G, Czabotar PE, Sleebs BE, Zobel K, Lowes KN, Adams JM, Baell JB, Colman PM, Deshayes K, Fairbrother WJ, Flygare JA, Gibbons P, Kersten WJ, Kulasegaram S, Moss RM, Parisot JP, Smith BJ, Street IP, Yang H, Huang DC, Watson KG Nat Chem Biol. 2013 Apr 21. doi: 10.1038/nchembio.1246. PMID:23603658<ref>PMID:23603658</ref>
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[[3zk6]] 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=3ZK6 OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<references group="xtra"/><references/>
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</div>
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<div class="pdbe-citations 3zk6" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[B-cell lymphoma proteins 3D structures|B-cell lymphoma proteins 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: Colman, P M.]]
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[[Category: Large Structures]]
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[[Category: Czabotar, P E.]]
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[[Category: Colman PM]]
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[[Category: Lessene, G L.]]
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[[Category: Czabotar PE]]
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[[Category: Smith, B J.]]
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[[Category: Lessene GL]]
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[[Category: Apoptosis]]
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[[Category: Smith BJ]]
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[[Category: Bcl-2 family]]
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[[Category: Inhibitor]]
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Current revision

Crystal structure of Bcl-xL in complex with inhibitor (Compound 2).

PDB ID 3zk6

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