2zn9

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[[Image:2zn9.png|left|200px]]
 
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{{STRUCTURE_2zn9| PDB=2zn9 | SCENE= }}
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==Crystal structure of Ca2+-bound form of des3-20ALG-2==
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<StructureSection load='2zn9' size='340' side='right'caption='[[2zn9]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2zn9]] 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=2ZN9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2ZN9 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]] 2.4&#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=12P:DODECAETHYLENE+GLYCOL'>12P</scene>, <scene name='pdbligand=2PE:NONAETHYLENE+GLYCOL'>2PE</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</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=2zn9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2zn9 OCA], [https://pdbe.org/2zn9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2zn9 RCSB], [https://www.ebi.ac.uk/pdbsum/2zn9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2zn9 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PDCD6_HUMAN PDCD6_HUMAN] Calcium-binding protein required for T-cell receptor-, Fas-, and glucocorticoid-induced cell death. May mediate Ca(2+)-regulated signals along the death pathway (By similarity). Calcium-dependent adapter necessary for the association between PDCD6IP and TSG101. Interaction with DAPK1 can accelerate apoptotic cell death by increasing caspase-3 activity.<ref>PMID:16132846</ref> <ref>PMID:19520058</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/zn/2zn9_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2zn9 ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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ALG-2 belongs to the penta-EF-hand (PEF) protein family and interacts with various intracellular proteins, such as Alix and TSG101, that are involved in endosomal sorting and HIV budding. Through X-ray crystallography, we solved the structures of Ca(2+)-free and -bound forms of N-terminally truncated human ALG-2 (des3-20ALG-2), Zn(2+)-bound form of full-length ALG-2, and the structure of the complex between des3-23ALG-2 and the peptide corresponding to Alix799-814 in Zn(2+)-bound form. Binding of Ca(2+) to EF3 enables the side chain of Arg125, present in the loop connecting EF3 and EF4, to move enough to make a primary hydrophobic pocket accessible to the critical PPYP motif, which partially overlaps with the GPP motif for the binding of Cep55 (centrosome protein 55 kDa). Based on these results, together with the results of in vitro binding assay with mutant ALG-2 and Alix proteins, we propose a Ca(2+)/EF3-driven arginine switch mechanism for ALG-2 binding to Alix.
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===Crystal structure of Ca2+-bound form of des3-20ALG-2===
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Structural basis for Ca2+ -dependent formation of ALG-2/Alix peptide complex: Ca2+/EF3-driven arginine switch mechanism.,Suzuki H, Kawasaki M, Inuzuka T, Okumura M, Kakiuchi T, Shibata H, Wakatsuki S, Maki M Structure. 2008 Oct 8;16(10):1562-73. PMID:18940611<ref>PMID:18940611</ref>
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{{ABSTRACT_PUBMED_18940611}}
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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 2zn9" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[2zn9]] 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=2ZN9 OCA].
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*[[Cell death protein 3D structures|Cell death protein 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:018940611</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: Inuzuka, T.]]
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[[Category: Large Structures]]
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[[Category: Kakiuchi, T.]]
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[[Category: Inuzuka T]]
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[[Category: Kawasaki, M.]]
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[[Category: Kakiuchi T]]
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[[Category: Maki, M.]]
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[[Category: Kawasaki M]]
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[[Category: Shibata, H.]]
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[[Category: Maki M]]
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[[Category: Suzuki, H.]]
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[[Category: Shibata H]]
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[[Category: Wakatsuki, S.]]
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[[Category: Suzuki H]]
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[[Category: Apoptosis]]
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[[Category: Wakatsuki S]]
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[[Category: Calcium binding protein]]
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[[Category: Endoplasmic reticulum]]
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[[Category: Membrane]]
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[[Category: Nucleus]]
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[[Category: Penta-ef-hand protein]]
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Current revision

Crystal structure of Ca2+-bound form of des3-20ALG-2

PDB ID 2zn9

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