3bta

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[[Image:3bta.png|left|200px]]
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==CRYSTAL STRUCTURE OF BOTULINUM NEUROTOXIN SEROTYPE A==
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<StructureSection load='3bta' size='340' side='right' caption='[[3bta]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3bta]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Clostridium_botulinum Clostridium botulinum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BTA OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3BTA FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Bontoxilysin Bontoxilysin], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.24.69 3.4.24.69] </span></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=3bta FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3bta OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3bta RCSB], [http://www.ebi.ac.uk/pdbsum/3bta 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/bt/3bta_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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Botulinum neurotoxin type A (BoNT/A) is the potent disease agent in botulism, a potential biological weapon and an effective therapeutic drug for involuntary muscle disorders. The crystal structure of the entire 1,285 amino acid di-chain neurotoxin was determined at 3.3 A resolution. The structure reveals that the translocation domain contains a central pair of alpha-helices 105 A long and a approximately 50 residue loop or belt that wraps around the catalytic domain. This belt partially occludes a large channel leading to a buried, negative active site--a feature that calls for radically different inhibitor design strategies from those currently used. The fold of the translocation domain suggests a mechanism of pore formation different from other toxins. Lastly, the toxin appears as a hybrid of varied structural motifs and suggests a modular assembly of functional subunits to yield pathogenesis.
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{{STRUCTURE_3bta| PDB=3bta | SCENE= }}
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Crystal structure of botulinum neurotoxin type A and implications for toxicity.,Lacy DB, Tepp W, Cohen AC, DasGupta BR, Stevens RC Nat Struct Biol. 1998 Oct;5(10):898-902. PMID:9783750<ref>PMID:9783750</ref>
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===CRYSTAL STRUCTURE OF BOTULINUM NEUROTOXIN SEROTYPE A===
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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_9783750}}
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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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[[3bta]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Clostridium_botulinum Clostridium botulinum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BTA OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:009783750</ref><ref group="xtra">PMID:015592454</ref><references group="xtra"/>
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[[Category: Bontoxilysin]]
[[Category: Bontoxilysin]]
[[Category: Clostridium botulinum]]
[[Category: Clostridium botulinum]]

Revision as of 21:14, 2 October 2014

CRYSTAL STRUCTURE OF BOTULINUM NEUROTOXIN SEROTYPE A

3bta, resolution 3.20Å

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