2opy

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{{Seed}}
 
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[[Image:2opy.png|left|200px]]
 
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==Smac mimic bound to BIR3-XIAP==
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The line below this paragraph, containing "STRUCTURE_2opy", creates the "Structure Box" on the page.
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<StructureSection load='2opy' size='340' side='right'caption='[[2opy]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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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'>[[2opy]] is a 1 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=2OPY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2OPY 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='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CO9:1-({2-[(1S)-1-AMINOETHYL]-1,3-OXAZOL-4-YL}CARBONYL)-L-PROLYL-L-TRYPTOPHAN'>CO9</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_2opy| PDB=2opy | 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=2opy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2opy OCA], [https://pdbe.org/2opy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2opy RCSB], [https://www.ebi.ac.uk/pdbsum/2opy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2opy ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/XIAP_HUMAN XIAP_HUMAN] Defects in XIAP are the cause of lymphoproliferative syndrome X-linked type 2 (XLP2) [MIM:[https://omim.org/entry/300635 300635]. XLP is a rare immunodeficiency characterized by extreme susceptibility to infection with Epstein-Barr virus (EBV). Symptoms include severe or fatal mononucleosis, acquired hypogammaglobulinemia, pancytopenia and malignant lymphoma.<ref>PMID:17080092</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/XIAP_HUMAN XIAP_HUMAN] Multi-functional protein which regulates not only caspases and apoptosis, but also modulates inflammatory signaling and immunity, copper homeostasis, mitogenic kinase signaling, cell proliferation, as well as cell invasion and metastasis. Acts as a direct caspase inhibitor. Directly bind to the active site pocket of CASP3 and CASP7 and obstructs substrate entry. Inactivates CASP9 by keeping it in a monomeric, inactive state. Acts as an E3 ubiquitin-protein ligase regulating NF-kappa-B signaling and the target proteins for its E3 ubiquitin-protein ligase activity include: RIPK1, CASP3, CASP7, CASP8, CASP9, MAP3K2/MEKK2, DIABLO/SMAC, AIFM1, CCS and BIRC5/survivin. Ubiquitinion of CCS leads to enhancement of its chaperone activity toward its physiologic target, SOD1, rather than proteasomal degradation. Ubiquitinion of MAP3K2/MEKK2 and AIFM1 does not lead to proteasomal degradation. Plays a role in copper homeostasis by ubiquitinationg COMMD1 and promoting its proteasomal degradation. Can also function as E3 ubiquitin-protein ligase of the NEDD8 conjugation pathway, targeting effector caspases for neddylation and inactivation. Regulates the BMP signaling pathway and the SMAD and MAP3K7/TAK1 dependent pathways leading to NF-kappa-B and JNK activation. Acts as an important regulator of innate immune signaling via regulation of Nodlike receptors (NLRs). Protects cells from spontaneous formation of the ripoptosome, a large multi-protein complex that has the capability to kill cancer cells in a caspase-dependent and caspase-independent manner. Suppresses ripoptosome formation by ubiquitinating RIPK1 and CASP8. Acts as a positive regulator of Wnt signaling and ubiquitinates TLE1, TLE2, TLE3, TLE4 and AES. Ubiquitination of TLE3 results in inhibition of its interaction with TCF7L2/TCF4 thereby allowing efficient recruitment and binding of the transcriptional coactivator beta-catenin to TCF7L2/TCF4 that is required to initiate a Wnt-specific transcriptional program.<ref>PMID:9230442</ref> <ref>PMID:11447297</ref> <ref>PMID:12121969</ref> <ref>PMID:14685266</ref> <ref>PMID:14645242</ref> <ref>PMID:17967870</ref> <ref>PMID:19473982</ref> <ref>PMID:21145488</ref> <ref>PMID:20154138</ref> <ref>PMID:22103349</ref> <ref>PMID:22304967</ref> <ref>PMID:17560374</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/op/2opy_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=2opy 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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A small series of peptide mimics was designed and synthesized to contain a heterocyclic ring in place of the potentially labile N-terminal peptide bond of the tetrapeptide containing the Smac-XIAP-binding motif. Two Smac mimics were shown to bind to the BIR3 domain of XIAP with moderate affinity and one displayed increased activity in cells relative to the Smac peptides. The structures of BIR3-XIAP in complex with a Smac peptide and a peptide mimic were solved and analyzed to elucidate the structure-activity relationship surrounding the Smac-binding domain within BIR3-XIAP.
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===Smac mimic bound to BIR3-XIAP===
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Structure-activity based study of the Smac-binding pocket within the BIR3 domain of XIAP.,Wist AD, Gu L, Riedl SJ, Shi Y, McLendon GL Bioorg Med Chem. 2007 Apr 15;15(8):2935-43. Epub 2007 Feb 11. PMID:17336535<ref>PMID:17336535</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 class="pdbe-citations 2opy" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 17336535 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_17336535}}
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__TOC__
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</StructureSection>
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==About this Structure==
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2OPY is a 1 chain structure of 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=2OPY OCA].
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==Reference==
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<ref group="xtra">PMID:17336535</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Lu, G.]]
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[[Category: Large Structures]]
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[[Category: McLendon, G L.]]
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[[Category: Lu G]]
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[[Category: Riedl, S J.]]
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[[Category: McLendon GL]]
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[[Category: Shi, Y.]]
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[[Category: Riedl SJ]]
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[[Category: Wist, A D.]]
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[[Category: Shi Y]]
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[[Category: Bir3]]
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[[Category: Wist AD]]
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[[Category: Peptide mimic]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 00:44:06 2009''
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Current revision

Smac mimic bound to BIR3-XIAP

PDB ID 2opy

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