1k2d

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{{Seed}}
 
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[[Image:1k2d.png|left|200px]]
 
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==Crystal structure of the autoimmune MHC class II I-Au complexed with myelin basic protein 1-11 at 2.2A==
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The line below this paragraph, containing "STRUCTURE_1k2d", creates the "Structure Box" on the page.
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<StructureSection load='1k2d' size='340' side='right'caption='[[1k2d]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1k2d]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] 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=1K2D OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1K2D FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.2&#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=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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{{STRUCTURE_1k2d| PDB=1k2d | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1k2d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1k2d OCA], [https://pdbe.org/1k2d PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1k2d RCSB], [https://www.ebi.ac.uk/pdbsum/1k2d PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1k2d ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/HA2U_MOUSE HA2U_MOUSE]
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/k2/1k2d_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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=1k2d ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Murine experimental allergic encephalomyelitis (EAE) is a useful model for the demyelinating, autoimmune disease multiple sclerosis. In the EAE system, the immunodominant N-terminal epitope of myelin basic protein (MBP) is an unusually short, weakly binding peptide antigen which elicits highly biased TCR chain usage. In the 2.2 A crystal structure of I-A(u)/MBP1-11 complex, only MBP residues 1-7 are bound toward one end of the peptide binding cleft. The fourth residue of MBP1-11 is located in an incompatible p6 pocket of I-A(u), thus explaining the short half-life of I-A(u) complexed with Ac1-11. MBP peptides extended at the C terminus of Ac1-11 result in dramatic affinity increases, likely attributed to register shifting to a higher affinity cryptic epitope, which could potentially mask the presentation of the immunodominant MBP1-11 peptide during thymic education.
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===Crystal structure of the autoimmune MHC class II I-Au complexed with myelin basic protein 1-11 at 2.2A===
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Structural snapshot of aberrant antigen presentation linked to autoimmunity: the immunodominant epitope of MBP complexed with I-Au.,He XL, Radu C, Sidney J, Sette A, Ward ES, Garcia KC Immunity. 2002 Jul;17(1):83-94. PMID:12150894<ref>PMID:12150894</ref>
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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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<div class="pdbe-citations 1k2d" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_12150894}}, adds the Publication Abstract to the page
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*[[MHC 3D structures|MHC 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 12150894 is the PubMed ID number.
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*[[MHC II 3D structures|MHC II 3D structures]]
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== References ==
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{{ABSTRACT_PUBMED_12150894}}
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<references/>
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__TOC__
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==About this Structure==
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</StructureSection>
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1K2D is a 3 chains structure of sequences 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=1K2D OCA].
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[[Category: Homo sapiens]]
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[[Category: Large Structures]]
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==Reference==
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<ref group="xtra">PMID:12150894</ref><references group="xtra"/>
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Garcia, K C.]]
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[[Category: Garcia KC]]
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[[Category: He, X L.]]
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[[Category: He XL]]
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[[Category: Radu, C.]]
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[[Category: Radu C]]
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[[Category: Ward, E S.]]
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[[Category: Ward ES]]
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[[Category: Autoimmune disease]]
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[[Category: Crystal structure]]
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[[Category: Experimental autoimmune encephalomyelitis]]
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[[Category: H-2u]]
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[[Category: I-au]]
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[[Category: Mhc class ii]]
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[[Category: Myelin basic protein]]
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[[Category: Unique register]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 06:53:12 2009''
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Current revision

Crystal structure of the autoimmune MHC class II I-Au complexed with myelin basic protein 1-11 at 2.2A

PDB ID 1k2d

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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