3mj6: Difference between revisions

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==Crystal structure of the gammadelta T cell costimulatory receptor Junctional Adhesion Molecule-Like Protein, JAML==
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<StructureSection load='3mj6' size='340' side='right'caption='[[3mj6]], [[Resolution|resolution]] 2.19&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3mj6]] 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=3MJ6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3MJ6 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]] 2.19&#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=FMT:FORMIC+ACID'>FMT</scene>, <scene name='pdbligand=FUC:ALPHA-L-FUCOSE'>FUC</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
{{STRUCTURE_3mj6|  PDB=3mj6  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3mj6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3mj6 OCA], [https://pdbe.org/3mj6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3mj6 RCSB], [https://www.ebi.ac.uk/pdbsum/3mj6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3mj6 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/JAML_MOUSE JAML_MOUSE] Transmembrane protein of the plasma membrane of leukocytes that control their migration and activation through interaction with CXADR, a plasma membrane receptor found on adjacent epithelial and endothelial cells. The interaction between both receptors mediates the activation of gamma-delta T-cells, a subpopulation of T-cells residing in epithelia and involved in tissue homeostasis and repair. Upon epithelial CXADR-binding, JAML induces downstream cell signaling events in gamma-delta T-cells through PI3-kinase and MAP kinases. It results in proliferation and production of cytokines and growth factors by T-cells that in turn stimulate epithelial tissues repair. It also controls the transmigration of leukocytes within epithelial and endothelial tissues through adhesive interactions with epithelial and endothelial CXADR.<ref>PMID:20813954</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/mj/3mj6_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=3mj6 ConSurf].
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== Publication Abstract from PubMed ==
Coxsackie and adenovirus receptor (CAR) is the primary cellular receptor for group B coxsackieviruses and most adenovirus serotypes and plays a crucial role in adenoviral gene therapy. Recent discovery of the interaction between junctional adhesion molecule-like protein (JAML) and CAR uncovered important functional roles in immunity, inflammation, and tissue homeostasis. Crystal structures of JAML ectodomain (2.2 angstroms) and its complex with CAR (2.8 angstroms) reveal an unusual immunoglobulin-domain assembly for JAML and a charged interface that confers high specificity. Biochemical and mutagenesis studies illustrate how CAR-mediated clustering of JAML recruits phosphoinositide 3-kinase (P13K) to a JAML intracellular sequence motif as delineated for the alphabeta T cell costimulatory receptor CD28. Thus, CAR and JAML are cell signaling receptors of the immune system with implications for asthma, cancer, and chronic nonhealing wounds.


===Crystal structure of the gammadelta T cell costimulatory receptor Junctional Adhesion Molecule-Like Protein, JAML===
The molecular interaction of CAR and JAML recruits the central cell signal transducer PI3K.,Verdino P, Witherden DA, Havran WL, Wilson IA Science. 2010 Sep 3;329(5996):1210-4. PMID:20813955<ref>PMID:20813955</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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== References ==
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<references/>
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</StructureSection>
==About this Structure==
[[Category: Large Structures]]
3MJ6 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=3MJ6 OCA].
 
==Reference==
<ref group="xtra">PMID:20813955</ref><ref group="xtra">PMID:20813954</ref><references group="xtra"/>
[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Verdino, P.]]
[[Category: Verdino P]]
[[Category: Wilson, I A.]]
[[Category: Wilson IA]]
[[Category: Cell adhesion]]
[[Category: Cell junction]]
[[Category: Costimulation]]
[[Category: Glycoprotein]]
[[Category: Immune system]]
[[Category: Immunoglobulin domain]]
[[Category: Immunoglobulin tandem domain]]
[[Category: Membrane]]
[[Category: Transmembrane]]
 
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