3alq

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[[Image:3alq.png|left|200px]]
 
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{{STRUCTURE_3alq| PDB=3alq | SCENE= }}
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==Crystal structure of TNF-TNFR2 complex==
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<StructureSection load='3alq' size='340' side='right'caption='[[3alq]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3alq]] 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=3ALQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3ALQ 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]] 3&#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=CO:COBALT+(II)+ION'>CO</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=3alq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3alq OCA], [https://pdbe.org/3alq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3alq RCSB], [https://www.ebi.ac.uk/pdbsum/3alq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3alq ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/TNFA_HUMAN TNFA_HUMAN] Genetic variations in TNF are a cause of susceptibility psoriatic arthritis (PSORAS) [MIM:[https://omim.org/entry/607507 607507]. PSORAS is an inflammatory, seronegative arthritis associated with psoriasis. It is a heterogeneous disorder ranging from a mild, non-destructive disease to a severe, progressive, erosive arthropathy. Five types of psoriatic arthritis have been defined: asymmetrical oligoarthritis characterized by primary involvement of the small joints of the fingers or toes; asymmetrical arthritis which involves the joints of the extremities; symmetrical polyarthritis characterized by a rheumatoidlike pattern that can involve hands, wrists, ankles, and feet; arthritis mutilans, which is a rare but deforming and destructive condition; arthritis of the sacroiliac joints and spine (psoriatic spondylitis).
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== Function ==
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[https://www.uniprot.org/uniprot/TNFA_HUMAN TNFA_HUMAN] Cytokine that binds to TNFRSF1A/TNFR1 and TNFRSF1B/TNFBR. It is mainly secreted by macrophages and can induce cell death of certain tumor cell lines. It is potent pyrogen causing fever by direct action or by stimulation of interleukin-1 secretion and is implicated in the induction of cachexia, Under certain conditions it can stimulate cell proliferation and induce cell differentiation.<ref>PMID:16829952</ref> The TNF intracellular domain (ICD) form induces IL12 production in dendritic cells.<ref>PMID:16829952</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Tumor necrosis factor (TNF) is an inflammatory cytokine that has important roles in various immune responses, which are mediated through its two receptors, TNF receptor 1 (TNFR1) and TNFR2. Antibody-based therapy against TNF is used clinically to treat several chronic autoimmune diseases; however, such treatment sometimes results in serious side effects, which are thought to be caused by the blocking of signals from both TNFRs. Therefore, knowledge of the structural basis for the recognition of TNF by each receptor would be invaluable in designing TNFR-selective drugs. Here, we solved the 3.0 angstrom resolution structure of the TNF-TNFR2 complex, which provided insight into the molecular recognition of TNF by TNFR2. Comparison to the known TNFR1 structure highlighted several differences between the ligand-binding interfaces of the two receptors. Additionally, we also demonstrated that TNF-TNFR2 formed aggregates on the surface of cells, which may be required for signal initiation. These results may contribute to the design of therapeutics for autoimmune diseases.
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===Crystal structure of TNF-TNFR2 complex===
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Solution of the Structure of the TNF-TNFR2 Complex.,Mukai Y, Nakamura T, Yoshikawa M, Yoshioka Y, Tsunoda S, Nakagawa S, Yamagata Y, Tsutsumi Y Sci Signal. 2010 Nov 16;3(148):ra83. PMID:21081755<ref>PMID:21081755</ref>
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{{ABSTRACT_PUBMED_21081755}}
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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 3alq" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[3alq]] 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=3ALQ OCA].
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*[[Tumor necrosis factor 3D structures|Tumor necrosis factor 3D structures]]
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*[[Tumor necrosis factor receptor 3D structures|Tumor necrosis factor receptor 3D structures]]
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==Reference==
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== References ==
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<ref group="xtra">PMID:021081755</ref><references group="xtra"/>
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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: Mukai, Y.]]
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[[Category: Large Structures]]
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[[Category: Nakamura, T.]]
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[[Category: Mukai Y]]
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[[Category: Tsutsumi, Y.]]
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[[Category: Nakamura T]]
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[[Category: Yamagata, Y.]]
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[[Category: Tsutsumi Y]]
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[[Category: Cytokine]]
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[[Category: Yamagata Y]]
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[[Category: Cytokine-cytokine receptor complex]]
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[[Category: Ligand-receptor complex]]
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Current revision

Crystal structure of TNF-TNFR2 complex

PDB ID 3alq

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