View source for 8dy2


==Crystal Structure of spFv GLK1==
<StructureSection load='8dy2' size='340' side='right'caption='[[8dy2]], [[Resolution|resolution]] 1.65&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[8dy2]] is a 4 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=8DY2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8DY2 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]] 1.65&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</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=8dy2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8dy2 OCA], [https://pdbe.org/8dy2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8dy2 RCSB], [https://www.ebi.ac.uk/pdbsum/8dy2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8dy2 ProSAT]</span></td></tr>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Single-chain fragment variable (scFv) domains play an important role in antibody-based therapeutic modalities, such as bispecifics, multispecifics and chimeric antigen receptor T cells or natural killer cells. However, scFv domains exhibit lower stability and increased risk of aggregation due to transient dissociation ("breathing") and inter-molecular reassociation of the two domains (VL and VH). We designed a novel strategy, referred to as stapling, that introduces two disulfide bonds between the scFv linker and the two variable domains to minimize scFv breathing. We named the resulting molecules stapled scFv (spFv). Stapling increased thermal stability (Tm) by an average of 10 degrees C. In multiple scFv/spFv multispecifics, the spFv molecules display significantly improved stability, minimal aggregation and superior product quality. These spFv multispecifics retain binding affinity and functionality. Our stapling design was compatible with all antibody variable regions we evaluated and may be widely applicable to stabilize scFv molecules for designing biotherapeutics with superior biophysical properties.

"Stapling" scFv for multispecific biotherapeutics of superior properties.,Boucher LE, Prinslow EG, Feldkamp M, Yi F, Nanjunda R, Wu SJ, Liu T, Lacy ER, Jacobs S, Kozlyuk N, Del Rosario B, Wu B, Aquino P, Davidson RC, Heyne S, Mazzanti N, Testa J, Diem MD, Gorre E, Mahan A, Nanda H, Gunawardena HP, Gervais A, Armstrong AA, Teplyakov A, Huang C, Zwolak A, Chowdhury P, Cheung WC, Luo J MAbs. 2023 Jan-Dec;15(1):2195517. doi: 10.1080/19420862.2023.2195517. PMID:37074212<ref>PMID:37074212</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 8dy2" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Boucher LE]]
[[Category: Luo J]]