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1oqe

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[[Image:1oqe.gif|left|200px]]
 
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{{Structure
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==Crystal structure of sTALL-1 with BAFF-R==
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|PDB= 1oqe |SIZE=350|CAPTION= <scene name='initialview01'>1oqe</scene>, resolution 2.50&Aring;
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<StructureSection load='1oqe' size='340' side='right'caption='[[1oqe]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND=
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<table><tr><td colspan='2'>[[1oqe]] is a 18 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=1OQE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OQE FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.5&#8491;</td></tr>
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|GENE=
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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=1oqe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1oqe OCA], [https://pdbe.org/1oqe PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1oqe RCSB], [https://www.ebi.ac.uk/pdbsum/1oqe PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1oqe ProSAT]</span></td></tr>
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}}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/TN13B_HUMAN TN13B_HUMAN] Cytokine that binds to TNFRSF13B/TACI and TNFRSF17/BCMA. TNFSF13/APRIL binds to the same 2 receptors. Together, they form a 2 ligands -2 receptors pathway involved in the stimulation of B- and T-cell function and the regulation of humoral immunity. A third B-cell specific BAFF-receptor (BAFFR/BR3) promotes the survival of mature B-cells and the B-cell response.<ref>PMID:10973284</ref> Isoform 2 seems to inhibit isoform 1 secretion and bioactivity (By similarity).<ref>PMID:10973284</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/oq/1oqe_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=1oqe ConSurf].
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<div style="clear:both"></div>
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'''Crystal structure of sTALL-1 with BAFF-R'''
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==See Also==
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*[[Tumor necrosis factor ligand superfamily 3D structures|Tumor necrosis factor ligand superfamily 3D structures]]
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== References ==
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==Overview==
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<references/>
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The tumour necrosis factor (TNF) ligand TALL-1 and its cognate receptors, BCMA, TACI and BAFF-R, were recently identified as members of the TNF superfamily, which are essential factors contributing to B-cell maturation. The functional, soluble fragment of TALL-1 (sTALL-1) forms a virus-like assembly for its proper function. Here we determine the crystal structures of sTALL-1 complexed with the extracellular domains of BCMA and BAFF-R at 2.6 and 2.5 A, respectively. The single cysteine-rich domain of BCMA and BAFF-R both have saddle-like architectures, which sit on the horseback-like surface formed by four coil regions on each individual sTALL-1 monomer. Three novel structural modules, D2, X2 and N, were revealed from the current structures. Sequence alignments, structural modelling and mutagenesis revealed that one disulphide bridge in BAFF-R is critical for determining the binding specificity of the extracellular domain eBAFF-R to TALL-1 instead of APRIL, a closely related ligand of TALL-1, which was confirmed by binding experiments in vitro.
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__TOC__
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</StructureSection>
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==About this Structure==
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1OQE is a [[Protein complex]] structure of sequences 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=1OQE OCA].
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==Reference==
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Ligand-receptor binding revealed by the TNF family member TALL-1., Liu Y, Hong X, Kappler J, Jiang L, Zhang R, Xu L, Pan CH, Martin WE, Murphy RC, Shu HB, Dai S, Zhang G, Nature. 2003 May 1;423(6935):49-56. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12721620 12721620]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Protein complex]]
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[[Category: Large Structures]]
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[[Category: Zhang, G.]]
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[[Category: Zhang G]]
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[[Category: ligand receptor complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 13:14:11 2008''
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Current revision

Crystal structure of sTALL-1 with BAFF-R

PDB ID 1oqe

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