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1dyq

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[[Image:1dyq.png|left|200px]]
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==STAPHYLOCOCCAL ENTEROTOXIN A MUTANT VACCINE==
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<StructureSection load='1dyq' size='340' side='right' caption='[[1dyq]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1dyq]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Staphylococcus_aureus Staphylococcus aureus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DYQ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1DYQ FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1esf|1esf]], [[1sea|1sea]], [[1sxt|1sxt]]</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1dyq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dyq OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1dyq RCSB], [http://www.ebi.ac.uk/pdbsum/1dyq 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/dy/1dyq_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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Staphylococcal enterotoxins (SEs) are superantigenic protein toxins responsible for a number of life-threatening diseases. The X-ray structure of a staphylococcal enterotoxin A (SEA) triple-mutant (L48R, D70R, and Y92A) vaccine reveals a cascade of structural rearrangements located in three loop regions essential for binding the alpha subunit of major histocompatibility complex class II (MHC-II) molecules. A comparison of hypothetical model complexes between SEA and the SEA triple mutant with MHC-II HLA-DR1 clearly shows disruption of key ionic and hydrophobic interactions necessary for forming the complex. Extensive dislocation of the disulfide loop in particular interferes with MHC-IIalpha binding. The triple-mutant structure provides new insights into the loss of superantigenicity and toxicity of an engineered superantigen and provides a basis for further design of enterotoxin vaccines.
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{{STRUCTURE_1dyq| PDB=1dyq | SCENE= }}
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Structural basis for abrogated binding between staphylococcal enterotoxin A superantigen vaccine and MHC-IIalpha.,Krupka HI, Segelke BW, Ulrich RG, Ringhofer S, Knapp M, Rupp B Protein Sci. 2002 Mar;11(3):642-51. PMID:11847286<ref>PMID:11847286</ref>
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===STAPHYLOCOCCAL ENTEROTOXIN A MUTANT VACCINE===
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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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{{ABSTRACT_PUBMED_11847286}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1dyq]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Staphylococcus_aureus Staphylococcus aureus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DYQ OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:011847286</ref><references group="xtra"/>
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[[Category: Staphylococcus aureus]]
[[Category: Staphylococcus aureus]]
[[Category: Krupka, H I.]]
[[Category: Krupka, H I.]]

Revision as of 10:49, 10 September 2014

STAPHYLOCOCCAL ENTEROTOXIN A MUTANT VACCINE

1dyq, resolution 1.50Å

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