4elk: Difference between revisions

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'''Unreleased structure'''


The entry 4elk is ON HOLD  until Paper Publication
==Crystal structure of the Hy19.3 type II NKT TCR==
<StructureSection load='4elk' size='340' side='right'caption='[[4elk]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[4elk]] is a 4 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=4ELK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4ELK 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]] 2.1&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=FMT:FORMIC+ACID'>FMT</scene>, <scene name='pdbligand=MLI:MALONATE+ION'>MLI</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=4elk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4elk OCA], [https://pdbe.org/4elk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4elk RCSB], [https://www.ebi.ac.uk/pdbsum/4elk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4elk ProSAT]</span></td></tr>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Glycolipids presented by the major histocompatibility complex (MHC) class I homolog CD1d are recognized by natural killer T cells (NKT cells) characterized by either a semi-invariant T cell antigen receptor (TCR) repertoire (type I NKT cells or iNKT cells) or a relatively variable TCR repertoire (type II NKT cells). Here we describe the structure of a type II NKT cell TCR in complex with CD1d-lysosulfatide. Both TCR alpha-chains and TCR beta-chains made contact with the CD1d molecule with a diagonal footprint, typical of MHC-TCR interactions, whereas the antigen was recognized exclusively with a single TCR chain, similar to the iNKT cell TCR. Type II NKT cell TCRs, therefore, recognize CD1d-sulfatide complexes by a distinct recognition mechanism characterized by the TCR-binding features of both iNKT cells and conventional peptide-reactive T cells.


Authors: Girardi, E., Maricic, I., Wang, J., Mac, T.T., Iyer, P., Kumar, V., Zajonc, D.M.
Type II natural killer T cells use features of both innate-like and conventional T cells to recognize sulfatide self antigens.,Girardi E, Maricic I, Wang J, Mac TT, Iyer P, Kumar V, Zajonc DM Nat Immunol. 2012 Sep;13(9):851-6. doi: 10.1038/ni.2371. Epub 2012 Jul 22. PMID:22820602<ref>PMID:22820602</ref>


Description: Crystal structure of the Hy19.3 type II NKT TCR
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 4elk" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Girardi E]]
[[Category: Iyer P]]
[[Category: Kumar V]]
[[Category: Mac TT]]
[[Category: Maricic I]]
[[Category: Wang J]]
[[Category: Zajonc DM]]
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