3ee1

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[[Image:3ee1.png|left|200px]]
 
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==Novel fold of VirA, a type III secretion system effector protein from Shigella flexneri==
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The line below this paragraph, containing "STRUCTURE_3ee1", creates the "Structure Box" on the page.
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<StructureSection load='3ee1' size='340' side='right'caption='[[3ee1]], [[Resolution|resolution]] 3.01&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'>[[3ee1]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Shigella_flexneri Shigella flexneri]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3EE1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3EE1 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]] 3.01&#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=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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{{STRUCTURE_3ee1| PDB=3ee1 | 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=3ee1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ee1 OCA], [https://pdbe.org/3ee1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ee1 RCSB], [https://www.ebi.ac.uk/pdbsum/3ee1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ee1 ProSAT]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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VirA, a secreted effector protein from Shigella sp., has been shown to be necessary for its virulence. It was also reported that VirA might be related to papain-like cysteine proteases and cleave alpha-tubulin, thus facilitating intracellular spreading. We have now determined the crystal structure of VirA at 3.0 A resolution. The shape of the molecule resembles the letter "V," with the residues in the N-terminal third of the 45-kDa molecule (some of which are disordered) forming one clearly identifiable domain, and the remainder of the molecule completing the V-like structure. The fold of VirA is unique and does not resemble that of any known protein, including papain, although its N-terminal domain is topologically similar to cysteine protease inhibitors such as stefin B. Analysis of the sequence conservation between VirA and its Escherichia coli homologs EspG and EspG2 did not result in identification of any putative protease-like active site, leaving open a possibility that the biological function of VirA in Shigella virulence may not involve direct proteolytic activity.
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===Novel fold of VirA, a type III secretion system effector protein from Shigella flexneri===
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Novel fold of VirA, a type III secretion system effector protein from Shigella flexneri.,Davis J, Wang J, Tropea JE, Zhang D, Dauter Z, Waugh DS, Wlodawer A Protein Sci. 2008 Dec;17(12):2167-73. Epub 2008 Sep 11. PMID:18787201<ref>PMID:18787201</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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The line below this paragraph, {{ABSTRACT_PUBMED_18787201}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 3ee1" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 18787201 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_18787201}}
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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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[[3ee1]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Shigella_flexneri Shigella flexneri]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3EE1 OCA].
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==Reference==
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<ref group="xtra">PMID:018787201</ref><references group="xtra"/>
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[[Category: Shigella flexneri]]
[[Category: Shigella flexneri]]
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[[Category: Davis, J S.]]
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[[Category: Davis JS]]
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[[Category: Beta barrel]]
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[[Category: Hydrolase]]
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[[Category: Protease]]
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[[Category: Secreted]]
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[[Category: Six-stranded beta barrel]]
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[[Category: Thiol protease]]
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[[Category: Virulence]]
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Current revision

Novel fold of VirA, a type III secretion system effector protein from Shigella flexneri

PDB ID 3ee1

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