3mbx

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{{STRUCTURE_3mbx| PDB=3mbx | SCENE= }}
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==Crystal structure of chimeric antibody X836==
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===Crystal structure of chimeric antibody X836===
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<StructureSection load='3mbx' size='340' side='right' caption='[[3mbx]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
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{{ABSTRACT_PUBMED_20554002}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3mbx]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3MBX OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3MBX 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=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=PCA:PYROGLUTAMIC+ACID'>PCA</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3l7e|3l7e]]</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=3mbx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3mbx OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3mbx RCSB], [http://www.ebi.ac.uk/pdbsum/3mbx 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/mb/3mbx_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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A chimeric antibody was constructed from two unrelated antibodies by combining their heavy and light chains. The "double chimera" consists of the mouse variable regions of different specificity (IL-13 and EMMPRIN) and the constant regions of different origin (mouse and human). The Fab fragment of this chimeric antibody was expressed in mammalian cells, and the crystal structure was determined at 1.6A resolution. Despite a large number of amino acid substitutions in the double chimera with respect to the parent antibodies, the heavy and light chains associate into a stable molecule. Comparison to the structure of one of the parent antibodies reveals that the variable domain interface, as well as the conformation of antigen-binding loops, is preserved without major rearrangements due to conservation of amino acids in key positions. Comparison to the structures of the all-human and all-mouse constant domains indicates a remarkable plasticity of the inter-chain interface that can tolerate residue relocations of up to 6A.
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==About this Structure==
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On the domain pairing in chimeric antibodies.,Teplyakov A, Obmolova G, Carton JM, Gao W, Zhao Y, Gilliland GL Mol Immunol. 2010 Aug;47(14):2422-6. PMID:20554002<ref>PMID:20554002</ref>
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[[3mbx]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3MBX OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<ref group="xtra">PMID:020554002</ref><references group="xtra"/><references/>
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</div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Gilliland, G L.]]
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[[Category: Gilliland, G L]]
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[[Category: Obmolova, G.]]
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[[Category: Obmolova, G]]
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[[Category: Teplyakov, A.]]
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[[Category: Teplyakov, A]]
[[Category: Immune system]]
[[Category: Immune system]]
[[Category: Immunoglobulin fold]]
[[Category: Immunoglobulin fold]]
[[Category: Monoclonal antibody]]
[[Category: Monoclonal antibody]]

Revision as of 15:58, 18 December 2014

Crystal structure of chimeric antibody X836

3mbx, resolution 1.60Å

Drag the structure with the mouse to rotate

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