2aab

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[[Image:2aab.png|left|200px]]
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==Structural basis of antigen mimicry in a clinically relevant melanoma antigen system==
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<StructureSection load='2aab' size='340' side='right' caption='[[2aab]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2aab]] is a 2 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=2AAB OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2AAB FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2aab FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2aab OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2aab RCSB], [http://www.ebi.ac.uk/pdbsum/2aab PDBsum]</span></td></tr>
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<table>
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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/aa/2aab_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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/chain_selection.php?pdb_ID=2ata 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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Although mimics of human tumor antigens are effective immunogens to overcome host unresponsiveness to the nominal antigen, the structural basis of this mimicry remains poorly defined. Therefore, in this study we have characterized the structural basis of the human high molecular weight-melanoma-associated antigen (HMW-MAA) mimicry by the mouse anti-idiotypic (anti-id) monoclonal antibody (mAb) MK2-23. Using x-ray crystallography, we have characterized the three-dimensional structure of the anti-id mAb MK2-23 Fab' and shown that its heavy chain complementarity-determining region (CDR3) (H3) and its light chain CDR1 (L1) are closely associated. These moieties are the source of HMW-MAA mimicry, since they display partial amino acid sequence homology along with a similar structural fold with the HMW-MAA core protein. Furthermore, a 15-residue peptide comprising the H3 loop of anti-id mAb MK2-23 demonstrates HMW-MAA-like in vitro and in vivo reactivity. This peptide in conjunction with the structural data will facilitate the characterization of the effect of the degree of antigen mimicry on the induction of a self-antigen-specific immune response by a mimic.
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{{STRUCTURE_2aab| PDB=2aab | SCENE= }}
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Structural basis of antigen mimicry in a clinically relevant melanoma antigen system.,Chang CC, Hernandez-Guzman FG, Luo W, Wang X, Ferrone S, Ghosh D J Biol Chem. 2005 Dec 16;280(50):41546-52. Epub 2005 Oct 14. PMID:16227204<ref>PMID:16227204</ref>
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===Structural basis of antigen mimicry in a clinically relevant melanoma antigen system===
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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_16227204}}
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==See Also==
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*[[Monoclonal Antibody|Monoclonal Antibody]]
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==About this Structure==
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== References ==
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[[2aab]] is a 2 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=2AAB OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:016227204</ref><references group="xtra"/>
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Chang, C C.]]
[[Category: Chang, C C.]]

Revision as of 00:17, 30 September 2014

Structural basis of antigen mimicry in a clinically relevant melanoma antigen system

2aab, resolution 2.50Å

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