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New page: left|200px<br /><applet load="1u9k" size="450" color="white" frame="true" align="right" spinBox="true" caption="1u9k, resolution 1.76Å" /> '''Crystal Structure of...
 
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[[Image:1u9k.jpg|left|200px]]<br /><applet load="1u9k" size="450" color="white" frame="true" align="right" spinBox="true"
caption="1u9k, resolution 1.76&Aring;" />
'''Crystal Structure of Mouse Triggering Receptor Expressed on Myeloid Cells 1 (TREM-1) at 1.76'''<br />


==Overview==
==Crystal Structure of Mouse Triggering Receptor Expressed on Myeloid Cells 1 (TREM-1) at 1.76==
Triggering receptor expressed on myeloid cells (TREM) 1 is an activating, receptor expressed on myeloid cells whose ligand(s) remain elusive. TREM-1, stimulation activates neutrophils and monocytes and induces the secretion, of pro-inflammatory molecules, which amplifies the Toll-like, receptor-initiated responses to invading pathogens. In addition, TREM-1, mediates the septic shock pathway, and thus represents a potential, therapeutic target. We report the crystal structure of the mouse TREM-1, extracellular domain at 1.76A resolution. The mouse extracellular domain, is monomeric, consistent with our previous human TREM-1 structure, and, strongly supports the contention that the globular TREM-1 head is a, monomer contrary to proposals of a symmetric dimer.
<StructureSection load='1u9k' size='340' side='right'caption='[[1u9k]], [[Resolution|resolution]] 1.76&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1u9k]] is a 2 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=1U9K OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1U9K FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.76&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1u9k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1u9k OCA], [https://pdbe.org/1u9k PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1u9k RCSB], [https://www.ebi.ac.uk/pdbsum/1u9k PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1u9k ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/TREM1_MOUSE TREM1_MOUSE] Stimulates neutrophil and monocyte-mediated inflammatory responses. Triggers release of pro-inflammatory chemokines and cytokines, as well as increased surface expression of cell activation markers. Amplifier of inflammatory responses that are triggered by bacterial and fungal infections and is a crucial mediator of septic shock (By similarity).
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/u9/1u9k_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=1u9k ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Triggering receptor expressed on myeloid cells (TREM) 1 is an activating receptor expressed on myeloid cells whose ligand(s) remain elusive. TREM-1 stimulation activates neutrophils and monocytes and induces the secretion of pro-inflammatory molecules, which amplifies the Toll-like receptor-initiated responses to invading pathogens. In addition, TREM-1 mediates the septic shock pathway, and thus represents a potential therapeutic target. We report the crystal structure of the mouse TREM-1 extracellular domain at 1.76A resolution. The mouse extracellular domain is monomeric, consistent with our previous human TREM-1 structure, and strongly supports the contention that the globular TREM-1 head is a monomer contrary to proposals of a symmetric dimer.


==About this Structure==
Crystal structure of mouse triggering receptor expressed on myeloid cells 1 (TREM-1) at 1.76 A.,Kelker MS, Debler EW, Wilson IA J Mol Biol. 2004 Dec 10;344(5):1175-81. PMID:15561137<ref>PMID:15561137</ref>
1U9K is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus] with ZN as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1U9K OCA].


==Reference==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
Crystal structure of mouse triggering receptor expressed on myeloid cells 1 (TREM-1) at 1.76 A., Kelker MS, Debler EW, Wilson IA, J Mol Biol. 2004 Dec 10;344(5):1175-81. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=15561137 15561137]
</div>
<div class="pdbe-citations 1u9k" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Single protein]]
[[Category: Debler EW]]
[[Category: Debler, E.W.]]
[[Category: Kelker MS]]
[[Category: Kelker, M.S.]]
[[Category: Wilson IA]]
[[Category: Wilson, I.A.]]
[[Category: ZN]]
[[Category: activating receptors]]
[[Category: immune system receptor]]
[[Category: innate immunity]]
[[Category: trem-1]]
 
''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Wed Nov 21 03:56:38 2007''

Latest revision as of 00:33, 21 November 2024

Crystal Structure of Mouse Triggering Receptor Expressed on Myeloid Cells 1 (TREM-1) at 1.76

1u9k, resolution 1.76Å

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