View source for 6cr1


==adalimumab EFab==
<StructureSection load='6cr1' size='340' side='right'caption='[[6cr1]], [[Resolution|resolution]] 1.52&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[6cr1]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6CR1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6CR1 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]] 1.521&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NO3:NITRATE+ION'>NO3</scene>, <scene name='pdbligand=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene></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=6cr1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6cr1 OCA], [https://pdbe.org/6cr1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6cr1 RCSB], [https://www.ebi.ac.uk/pdbsum/6cr1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6cr1 ProSAT]</span></td></tr>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Bispecific antibody therapeutics can expand the functionality of a conventional monoclonal antibody drug because they can bind multiple antigens. However, their great potential is counterbalanced by the challenges faced in their production. The classic asymmetric bispecific containing an Fc requires the expression of four unique chains - two light chains and two heavy chains; each light chain must pair with its correct heavy chain, which then must heterodimerize to form the full bispecific. The light-chain pairing problem has several solutions, some of which require engineering and optimization for each bispecific pair. Here, we introduce a technology called EFab Domain Substitution, which replaces the Cepsilon2 of IgE for one of the CL/CH1 domains into one arm of an asymmetric bispecific to encourage the correct pairing of the light chains. EFab Domain Substitution provides very robust correct pairing while maintaining antibody function and is effective for many variable domains. We report its effect on the biophysical properties of an antibody and the crystal structure of the EFab domain substituted into the adalimumab Fab (PDB ID 6CR1).

EFab domain substitution as a solution to the light-chain pairing problem of bispecific antibodies.,Cooke HA, Arndt J, Quan C, Shapiro RI, Wen D, Foley S, Vecchi MM, Preyer M MAbs. 2018 Sep 14:1-12. doi: 10.1080/19420862.2018.1519631. PMID:30215570<ref>PMID:30215570</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 6cr1" style="background-color:#fffaf0;"></div>

==See Also==
*[[Monoclonal Antibodies 3D structures|Monoclonal Antibodies 3D structures]]
== References ==
<references/>
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Arndt JW]]