4elm

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[[Image:4elm.png|left|200px]]
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==Crystal structure of the mouse CD1d-lysosulfatide-Hy19.3 TCR complex==
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<StructureSection load='4elm' size='340' side='right' caption='[[4elm]], [[Resolution|resolution]] 3.48&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4elm]] is a 8 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=4ELM OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4ELM FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=PLM:PALMITIC+ACID'>PLM</scene>, <scene name='pdbligand=SGF:(2S,3R,4E)-2-AMINO-3-HYDROXYOCTADEC-4-EN-1-YL+3-O-SULFO-BETA-D-GALACTOPYRANOSIDE'>SGF</scene>, <scene name='pdbligand=FUC:ALPHA-L-FUCOSE'>FUC</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4elk|4elk]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Cd1.1, CD1d, Cd1d1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus]), B2m, beta-2-microglobulin, mCG_11606, RP23-34E24.5-001 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus]), Valpha1 (mouse variable domain, human constant domain ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus]), Vbeta16 (mouse variable domain, human constant domain) ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4elm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4elm OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4elm RCSB], [http://www.ebi.ac.uk/pdbsum/4elm PDBsum]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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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.
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{{STRUCTURE_4elm| PDB=4elm | SCENE= }}
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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>
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===Crystal structure of the mouse CD1d-lysosulfatide-Hy19.3 TCR complex===
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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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{{ABSTRACT_PUBMED_22820602}}
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==About this Structure==
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[[4elm]] is a 8 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=4ELM OCA].
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==See Also==
==See Also==
*[[Beta-2 microglobulin|Beta-2 microglobulin]]
*[[Beta-2 microglobulin|Beta-2 microglobulin]]
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*[[CD1|CD1]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Girardi, E.]]
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[[Category: Girardi, E]]
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[[Category: Iyer, P.]]
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[[Category: Iyer, P]]
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[[Category: Kumar, V.]]
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[[Category: Kumar, V]]
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[[Category: Mac, T T.]]
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[[Category: Mac, T T]]
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[[Category: Maricic, I.]]
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[[Category: Maricic, I]]
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[[Category: Wang, J.]]
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[[Category: Wang, J]]
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[[Category: Zajonc, D M.]]
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[[Category: Zajonc, D M]]
[[Category: Antigen presentation]]
[[Category: Antigen presentation]]
[[Category: Glycolipid]]
[[Category: Glycolipid]]
[[Category: Immune system]]
[[Category: Immune system]]
[[Category: Nkt cell]]
[[Category: Nkt cell]]

Revision as of 17:05, 9 December 2014

Crystal structure of the mouse CD1d-lysosulfatide-Hy19.3 TCR complex

4elm, resolution 3.48Å

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