4i0k

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[[Image:4i0k.jpg|left|200px]]
 
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{{STRUCTURE_4i0k| PDB=4i0k | SCENE= }}
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==Crystal structure of murine B7-H3 extracellular domain==
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<StructureSection load='4i0k' size='340' side='right'caption='[[4i0k]], [[Resolution|resolution]] 2.97&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4i0k]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4I0K OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4I0K 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]] 2.97&#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=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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=4i0k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4i0k OCA], [https://pdbe.org/4i0k PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4i0k RCSB], [https://www.ebi.ac.uk/pdbsum/4i0k PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4i0k ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CD276_MOUSE CD276_MOUSE] Modulates T-cell-mediated immune responses and the development of acute and chronic transplant rejection. Plays a positive regulatory role in bone formation and has a dual role in the bone-immune interface. Induces antitumor immunity as it activates both acquired and innate immunity leading to natural killer cell and CD8 T-cell dependent killing of tumor cells.<ref>PMID:12055244</ref> <ref>PMID:12925852</ref> <ref>PMID:12939639</ref> <ref>PMID:15294965</ref> <ref>PMID:15682454</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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T cell activity is controlled by a combination of antigen-dependent signaling through the T cell receptor and a set of auxiliary signals delivered through antigen-independent interactions, including the recognition of the B7 family of ligands. B7-H3 is a recently identified B7 family member that is strongly overexpressed in a range of cancers and correlates with poor prognosis. We report the crystal structure of murine B7-H3 at a 3 A resolution, which provides a model for the organization of the IgV and IgC domains within the ectodomain. We demonstrate that B7-H3 inhibits T cell proliferation and show that the FG loop of the IgV domain plays a critical role in this function. B7-H3 crystallized as an unusual dimer arising from the exchange of the G strands in the IgV domains of partner molecules. This arrangement, in combination with previous reports, highlights the dynamic nature and plasticity of the immunoglobulin fold.
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===Crystal structure of murine B7-H3 extracellular domain===
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Structure and T cell inhibition properties of B7 family member, B7-H3.,Vigdorovich V, Ramagopal UA, Lazar-Molnar E, Sylvestre E, Lee JS, Hofmeyer KA, Zang X, Nathenson SG, Almo SC Structure. 2013 May 7;21(5):707-17. doi: 10.1016/j.str.2013.03.003. Epub 2013 Apr, 11. PMID:23583036<ref>PMID:23583036</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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==About this Structure==
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</div>
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[[4i0k]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4I0K OCA].
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<div class="pdbe-citations 4i0k" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Almo, S C.]]
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[[Category: Almo SC]]
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[[Category: Bonanno, J B.]]
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[[Category: Bonanno JB]]
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[[Category: IFN, Atoms-to-Animals:.The Immune Function Network.]]
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[[Category: Nathenson SG]]
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[[Category: NYSGRC, New York Structural Genomics Research Consortium.]]
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[[Category: Ramagopal U]]
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[[Category: Nathenson, S G.]]
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[[Category: Toro R]]
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[[Category: Ramagopal, U.]]
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[[Category: Vigdorovich V]]
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[[Category: Toro, R.]]
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[[Category: Vigdorovich, V.]]
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[[Category: Adaptive immunity]]
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[[Category: Cell surface]]
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[[Category: Glycoprotein]]
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[[Category: Immune system]]
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[[Category: Immunity]]
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[[Category: Immunoglobulin constant like domain]]
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[[Category: Immunoglobulin domain]]
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[[Category: Immunoglobulin variable like domain]]
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[[Category: Protein structure initiative]]
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[[Category: Psi-biology]]
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[[Category: Structural genomic]]
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Current revision

Crystal structure of murine B7-H3 extracellular domain

PDB ID 4i0k

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