1wbx: Difference between revisions

No edit summary
No edit summary
 
(8 intermediate revisions by the same user not shown)
Line 1: Line 1:
[[Image:1wbx.png|left|200px]]


{{STRUCTURE_1wbx| PDB=1wbx | SCENE= }}
==CRYSTAL STRUCTURES OF MURINE MHC CLASS I H-2 Db AND Kb MOLECULES IN COMPLEX WITH CTL EPITOPES FROM INFLUENZA A VIRUS: IMPLICATIONS FOR TCR REPERTOIRE SELECTION AND IMMUNODOMINANCE==
<StructureSection load='1wbx' size='340' side='right'caption='[[1wbx]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1wbx]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Influenza_A_virus Influenza A virus] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WBX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1WBX 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]] 1.9&#8491;</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=1wbx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wbx OCA], [https://pdbe.org/1wbx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1wbx RCSB], [https://www.ebi.ac.uk/pdbsum/1wbx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1wbx ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/HA11_MOUSE HA11_MOUSE] Involved in the presentation of foreign antigens to the immune system.
== 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/wb/1wbx_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=1wbx ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Cytotoxic T lymphocyte (CTL) responses against influenza A virus in C57BL/6 mice are dominated by a small number of viral peptides among many that are capable of binding to major histocompatibility complex (MHC) class I molecules. The basis of this limited immune recognition is unknown. Here, we present X-ray structures of MHC class I molecules in complex with two immunodominant epitopes (PA(224-233)/D(b) and PB1(703-711)/K(b)) and one non-immunogenic epitope (HA(468-477)/D(b)) of the influenza A virus. The immunodominant peptides are each characterized by a bulge at the C terminus, lifting P6 and P7 residues out of the MHC groove, presenting featured structural elements to T-cell receptors (TCRs). Immune recognition of PA(224-233)/D(b) will focus largely on the exposed P7 arginine residue. In contrast, the non-immunogenic HA(468-477) peptide lacks prominent features in this C-terminal bulge. In the K(b)-bound PB1(703-711) epitope, the bulge results from a non-canonical binding motif, such that the mode of presentation of this peptide strongly resembles that of D(b)-bound peptides. Given that PA(224-233)/D(b), PB1(703-711)/K(b) and the previously defined NP(366-374)/D(b) epitopes dominate the primary response to influenza A virus in C57BL/6 mice, our findings indicate that residues of the C-terminal bulge are important in selection of the immunodominant CTL repertoire.


===CRYSTAL STRUCTURES OF MURINE MHC CLASS I H-2 DB AND KB MOLECULES IN COMPLEX WITH CTL EPITOPES FROM INFLUENZA A VIRUS: IMPLICATIONS FOR TCR REPERTOIRE SELECTION AND IMMUNODOMINANCE===
Crystal structures of murine MHC Class I H-2 D(b) and K(b) molecules in complex with CTL epitopes from influenza A virus: implications for TCR repertoire selection and immunodominance.,Meijers R, Lai CC, Yang Y, Liu JH, Zhong W, Wang JH, Reinherz EL J Mol Biol. 2005 Feb 4;345(5):1099-110. Epub 2004 Dec 8. PMID:15644207<ref>PMID:15644207</ref>


{{ABSTRACT_PUBMED_15644207}}
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
</div>
==About this Structure==
<div class="pdbe-citations 1wbx" style="background-color:#fffaf0;"></div>
[[1wbx]] is a 3 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=1WBX OCA].


==See Also==
==See Also==
*[[Beta-2 microglobulin|Beta-2 microglobulin]]
*[[Beta-2 microglobulin 3D structures|Beta-2 microglobulin 3D structures]]
*[[Major histocompatibility complex|Major histocompatibility complex]]
*[[MHC 3D structures|MHC 3D structures]]
 
*[[MHC I 3D structures|MHC I 3D structures]]
==Reference==
== References ==
<ref group="xtra">PMID:015644207</ref><references group="xtra"/>
<references/>
__TOC__
</StructureSection>
[[Category: Influenza A virus]]
[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Lai, C.]]
[[Category: Lai C]]
[[Category: Liu, J.]]
[[Category: Liu J]]
[[Category: Meijers, R.]]
[[Category: Meijers R]]
[[Category: Reinherz, E L.]]
[[Category: Reinherz EL]]
[[Category: Wang, J.]]
[[Category: Wang J]]
[[Category: Yang, Y.]]
[[Category: Yang Y]]
[[Category: Zhong, W.]]
[[Category: Zhong W]]
[[Category: Ha468]]
[[Category: Immune system]]
[[Category: Influenza peptide]]
[[Category: Mhc class i]]

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

OCA