3r8b

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[[Image:3r8b.png|left|200px]]
 
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==Crystal structure of Staphylococcal Enterotoxin B in complex with an affinity matured mouse TCR VBeta8.2 protein, G5-8==
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The line below this paragraph, containing "STRUCTURE_3r8b", creates the "Structure Box" on the page.
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<StructureSection load='3r8b' size='340' side='right'caption='[[3r8b]], [[Resolution|resolution]] 2.95&Aring;' scene=''>
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[3r8b]] is a 16 chain structure with sequence from [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus] and [https://en.wikipedia.org/wiki/Staphylococcus_aureus Staphylococcus aureus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3R8B OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3R8B FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.95&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_3r8b| PDB=3r8b | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3r8b FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3r8b OCA], [https://pdbe.org/3r8b PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3r8b RCSB], [https://www.ebi.ac.uk/pdbsum/3r8b PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3r8b ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ETXB_STAAU ETXB_STAAU] Staphylococcal enterotoxins cause the intoxication staphylococcal food poisoning syndrome. The illness characterized by high fever, hypotension, diarrhea, shock, and in some cases death.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Protein engineering is becoming increasingly important for pharmaceutical applications where controlling the specificity and affinity of engineered proteins is required to create targeted protein therapeutics. Affinity increases of several thousand-fold are now routine for a variety of protein engineering approaches, and the structural and energetic bases of affinity maturation have been investigated in a number of such cases. Previously, a 3-million-fold affinity maturation process was achieved in a protein-protein interaction composed of a variant T-cell receptor fragment and a bacterial superantigen. Here, we present the molecular basis of this affinity increase. Using X-ray crystallography, shotgun reversion/replacement scanning mutagenesis, and computational analysis, we describe, in molecular detail, a process by which extrainterfacial regions of a protein complex can be rationally manipulated to significantly improve protein engineering outcomes.
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===Crystal structure of Staphylococcal Enterotoxin B in complex with an affinity matured mouse TCR VBeta8.2 protein, G5-8===
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Molecular Basis of a Million-Fold Affinity Maturation Process in a Protein-Protein Interaction.,Bonsor DA, Postel S, Pierce BG, Wang N, Zhu P, Buonpane RA, Weng Z, Kranz DM, Sundberg EJ J Mol Biol. 2011 Jun 12. PMID:21689661<ref>PMID:21689661</ref>
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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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<div class="pdbe-citations 3r8b" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 21689661 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_21689661}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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[[3r8b]] is a 16 chain structure with sequence from [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus] and [http://en.wikipedia.org/wiki/Staphylococcus_aureus Staphylococcus aureus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3R8B OCA].
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==Reference==
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<ref group="xtra">PMID:021689661</ref><references group="xtra"/>
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[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
[[Category: Staphylococcus aureus]]
[[Category: Staphylococcus aureus]]
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[[Category: Bonsor, D A.]]
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[[Category: Bonsor DA]]
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[[Category: Sundberg, E J.]]
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[[Category: Sundberg EJ]]
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[[Category: Immunoglobulin-like]]
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[[Category: Ob-fold]]
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[[Category: Toxin-immune system complex]]
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Current revision

Crystal structure of Staphylococcal Enterotoxin B in complex with an affinity matured mouse TCR VBeta8.2 protein, G5-8

PDB ID 3r8b

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