1xu2

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[[Image:1xu2.gif|left|200px]]
 
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{{Structure
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==The crystal structure of APRIL bound to BCMA==
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|PDB= 1xu2 |SIZE=350|CAPTION= <scene name='initialview01'>1xu2</scene>, resolution 2.35&Aring;
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<StructureSection load='1xu2' size='340' side='right'caption='[[1xu2]], [[Resolution|resolution]] 2.35&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>
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<table><tr><td colspan='2'>[[1xu2]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XU2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1XU2 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]] 2.35&#8491;</td></tr>
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|GENE= Tnfsf13, APRIL ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus]), TNFRSF17, BCM, BCMA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene></td></tr>
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|DOMAIN=
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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=1xu2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1xu2 OCA], [https://pdbe.org/1xu2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1xu2 RCSB], [https://www.ebi.ac.uk/pdbsum/1xu2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1xu2 ProSAT]</span></td></tr>
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|RELATEDENTRY=[[1xu1|1XU1]], [[1u5x|1U5X]], [[1u5y|1U5Y]], [[1u5z|1U5Z]]
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1xu2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1xu2 OCA], [http://www.ebi.ac.uk/pdbsum/1xu2 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1xu2 RCSB]</span>
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== Disease ==
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}}
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[https://www.uniprot.org/uniprot/TNR17_HUMAN TNR17_HUMAN] Note=A chromosomal aberration involving TNFRSF17 is found in a form of T-cell acute lymphoblastic leukemia (T-ALL). Translocation t(4;16)(q26;p13) with IL2.
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== Function ==
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[https://www.uniprot.org/uniprot/TNR17_HUMAN TNR17_HUMAN] Receptor for TNFSF13B/BLyS/BAFF and TNFSF13/APRIL. Promotes B-cell survival and plays a role in the regulation of humoral immunity. Activates NF-kappa-B and JNK.<ref>PMID:10903733</ref> <ref>PMID:10801128</ref> <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/xu/1xu2_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1xu2 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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TACI is a member of the tumor necrosis factor receptor superfamily and serves as a key regulator of B cell function. TACI binds two ligands, APRIL and BAFF, with high affinity and contains two cysteine-rich domains (CRDs) in its extracellular region; in contrast, BCMA and BR3, the other known high affinity receptors for APRIL and BAFF, respectively, contain only a single or partial CRD. However, another form of TACI exists wherein the N-terminal CRD is removed by alternative splicing. We find that this shorter form is capable of ligand-induced cell signaling and that the second CRD alone (TACI_d2) contains full affinity for both ligands. Furthermore, we report the solution structure and alanine-scanning mutagenesis of TACI_d2 along with co-crystal structures of APRIL.TACI_d2 and APRIL.BCMA complexes that together reveal the mechanism by which TACI engages high affinity ligand binding through a single CRD, and we highlight sources of ligand-receptor specificity within the APRIL/BAFF system.
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'''The crystal structure of APRIL bound to BCMA'''
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Structures of APRIL-receptor complexes: like BCMA, TACI employs only a single cysteine-rich domain for high affinity ligand binding.,Hymowitz SG, Patel DR, Wallweber HJ, Runyon S, Yan M, Yin J, Shriver SK, Gordon NC, Pan B, Skelton NJ, Kelley RF, Starovasnik MA J Biol Chem. 2005 Feb 25;280(8):7218-27. Epub 2004 Nov 12. PMID:15542592<ref>PMID:15542592</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>
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<div class="pdbe-citations 1xu2" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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TACI is a member of the tumor necrosis factor receptor superfamily and serves as a key regulator of B cell function. TACI binds two ligands, APRIL and BAFF, with high affinity and contains two cysteine-rich domains (CRDs) in its extracellular region; in contrast, BCMA and BR3, the other known high affinity receptors for APRIL and BAFF, respectively, contain only a single or partial CRD. However, another form of TACI exists wherein the N-terminal CRD is removed by alternative splicing. We find that this shorter form is capable of ligand-induced cell signaling and that the second CRD alone (TACI_d2) contains full affinity for both ligands. Furthermore, we report the solution structure and alanine-scanning mutagenesis of TACI_d2 along with co-crystal structures of APRIL.TACI_d2 and APRIL.BCMA complexes that together reveal the mechanism by which TACI engages high affinity ligand binding through a single CRD, and we highlight sources of ligand-receptor specificity within the APRIL/BAFF system.
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*[[Tumor necrosis factor ligand superfamily 3D structures|Tumor necrosis factor ligand superfamily 3D structures]]
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*[[Tumor necrosis factor receptor 3D structures|Tumor necrosis factor receptor 3D structures]]
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==About this Structure==
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== References ==
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1XU2 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XU2 OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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Structures of APRIL-receptor complexes: like BCMA, TACI employs only a single cysteine-rich domain for high affinity ligand binding., Hymowitz SG, Patel DR, Wallweber HJ, Runyon S, Yan M, Yin J, Shriver SK, Gordon NC, Pan B, Skelton NJ, Kelley RF, Starovasnik MA, J Biol Chem. 2005 Feb 25;280(8):7218-27. Epub 2004 Nov 12. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15542592 15542592]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Protein complex]]
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[[Category: Gordon NC]]
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[[Category: Gordon, N C.]]
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[[Category: Hymowitz SG]]
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[[Category: Hymowitz, S G.]]
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[[Category: Kelley RF]]
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[[Category: Kelley, R F.]]
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[[Category: Pan B]]
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[[Category: Pan, B.]]
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[[Category: Patel DR]]
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[[Category: Patel, D R.]]
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[[Category: Runyon S]]
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[[Category: Runyon, S.]]
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[[Category: Shriver SK]]
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[[Category: Shriver, S K.]]
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[[Category: Skelton NJ]]
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[[Category: Skelton, N J.]]
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[[Category: Starovasnik MA]]
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[[Category: Starovasnik, M A.]]
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[[Category: Wallweber HJA]]
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[[Category: Wallweber, H J.A.]]
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[[Category: Yan M]]
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[[Category: Yan, M.]]
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[[Category: Yin J]]
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[[Category: Yin, J.]]
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[[Category: crd]]
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[[Category: cysteine-rich]]
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[[Category: cytokine]]
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[[Category: jelly-roll]]
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[[Category: receptor]]
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[[Category: tnfsf]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 00:54:41 2008''
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Current revision

The crystal structure of APRIL bound to BCMA

PDB ID 1xu2

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