3eoa
From Proteopedia
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- | {{Seed}} | ||
- | [[Image:3eoa.png|left|200px]] | ||
- | < | + | ==Crystal structure the Fab fragment of Efalizumab in complex with LFA-1 I domain, Form I== |
- | + | <StructureSection load='3eoa' size='340' side='right'caption='[[3eoa]], [[Resolution|resolution]] 2.80Å' scene=''> | |
- | You may | + | == Structural highlights == |
- | + | <table><tr><td colspan='2'>[[3eoa]] is a 6 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=3EOA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3EOA 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]] 2.8Å</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=3eoa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3eoa OCA], [https://pdbe.org/3eoa PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3eoa RCSB], [https://www.ebi.ac.uk/pdbsum/3eoa PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3eoa ProSAT]</span></td></tr> |
- | + | </table> | |
+ | == Function == | ||
+ | [https://www.uniprot.org/uniprot/ITAL_HUMAN ITAL_HUMAN] Integrin alpha-L/beta-2 is a receptor for ICAM1, ICAM2, ICAM3 and ICAM4. It is involved in a variety of immune phenomena including leukocyte-endothelial cell interaction, cytotoxic T-cell mediated killing, and antibody dependent killing by granulocytes and monocytes. | ||
+ | == Evolutionary Conservation == | ||
+ | [[Image:Consurf_key_small.gif|200px|right]] | ||
+ | Check<jmol> | ||
+ | <jmolCheckbox> | ||
+ | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/eo/3eoa_consurf.spt"</scriptWhenChecked> | ||
+ | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked> | ||
+ | <text>to colour the structure by Evolutionary Conservation</text> | ||
+ | </jmolCheckbox> | ||
+ | </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=3eoa ConSurf]. | ||
+ | <div style="clear:both"></div> | ||
+ | <div style="background-color:#fffaf0;"> | ||
+ | == Publication Abstract from PubMed == | ||
+ | Lymphocyte function-associated antigen 1 (LFA-1) plays important roles in immune cell adhesion, trafficking, and activation and is a therapeutic target for the treatment of multiple autoimmune diseases. Efalizumab is one of the most efficacious antibody drugs for treating psoriasis, a very common skin disease, through inhibition of the binding of LFA-1 to the ligand intercellular adhesion molecule 1 (ICAM-1). We report here the crystal structures of the Efalizumab Fab alone and in complex with the LFA-1 alpha(L) I domain, which reveal the molecular mechanism of inhibition of LFA-1 by Efalizumab. The Fab binds with an epitope on the inserted (I) domain that is distinct from the ligand-binding site. Efalizumab binding blocks the binding of LFA-1 to ICAM-1 via steric hindrance between its light chain and ICAM-1 domain 2 and thus inhibits the activities of LFA-1. These results have important implications for the development of improved antibodies and new therapeutic strategies for the treatment of autoimmune diseases. | ||
- | + | Efalizumab binding to the LFA-1 alphaL I domain blocks ICAM-1 binding via steric hindrance.,Li S, Wang H, Peng B, Zhang M, Zhang D, Hou S, Guo Y, Ding J Proc Natl Acad Sci U S A. 2009 Mar 17;106(11):4349-54. Epub 2009 Mar 3. PMID:19258452<ref>PMID:19258452</ref> | |
+ | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
+ | </div> | ||
+ | <div class="pdbe-citations 3eoa" style="background-color:#fffaf0;"></div> | ||
- | + | ==See Also== | |
- | + | *[[Integrin 3D structures|Integrin 3D structures]] | |
- | + | *[[Monoclonal Antibodies 3D structures|Monoclonal Antibodies 3D structures]] | |
- | + | == References == | |
- | + | <references/> | |
- | + | __TOC__ | |
- | == | + | </StructureSection> |
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[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
- | [[Category: | + | [[Category: Large Structures]] |
- | [[Category: | + | [[Category: Ding J]] |
- | [[Category: | + | [[Category: Li S]] |
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Current revision
Crystal structure the Fab fragment of Efalizumab in complex with LFA-1 I domain, Form I
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