2w2d

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==Crystal Structure of a Catalytically Active, Non-toxic Endopeptidase Derivative of Clostridium botulinum Toxin A==
==Crystal Structure of a Catalytically Active, Non-toxic Endopeptidase Derivative of Clostridium botulinum Toxin A==
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<StructureSection load='2w2d' size='340' side='right' caption='[[2w2d]], [[Resolution|resolution]] 2.59&Aring;' scene=''>
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<StructureSection load='2w2d' size='340' side='right'caption='[[2w2d]], [[Resolution|resolution]] 2.59&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2w2d]] is a 4 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=2W2D OCA]. <br>
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<table><tr><td colspan='2'>[[2w2d]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Clostridium_botulinum Clostridium botulinum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2W2D OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2W2D FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><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]] 2.59&#8491;</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glucokinase Glucokinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.2 2.7.1.2] </span></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=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=2w2d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2w2d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2w2d RCSB], [http://www.ebi.ac.uk/pdbsum/2w2d PDBsum]</span></td></tr>
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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=2w2d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2w2d OCA], [https://pdbe.org/2w2d PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2w2d RCSB], [https://www.ebi.ac.uk/pdbsum/2w2d PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2w2d ProSAT]</span></td></tr>
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<table>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/BXA1_CLOBH BXA1_CLOBH] Inhibits acetylcholine release. The botulinum toxin binds with high affinity to peripheral neuronal presynaptic membrane to the secretory vesicle protein SV2. It binds directly to the largest luminal loop of SV2A, SV2B and SV2C. It is then internalized by receptor-mediated endocytosis. The C-terminus of the heavy chain (H) is responsible for the adherence of the toxin to the cell surface while the N-terminus mediates transport of the light chain from the endocytic vesicle to the cytosol. After translocation, the light chain (L) hydrolyzes the 197-Gln-|-Arg-198 bond in SNAP-25, thereby blocking neurotransmitter release. Inhibition of acetylcholine release results in flaccid paralysis, with frequent heart or respiratory failure.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/w2/2w2d_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/w2/2w2d_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</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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</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=2w2d ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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Crystal structure of a catalytically active, non-toxic endopeptidase derivative of Clostridium botulinum toxin A.,Masuyer G, Thiyagarajan N, James PL, Marks PM, Chaddock JA, Acharya KR Biochem Biophys Res Commun. 2009 Mar 27;381(1):50-3. Epub 2009 Feb 8. PMID:19351593<ref>PMID:19351593</ref>
Crystal structure of a catalytically active, non-toxic endopeptidase derivative of Clostridium botulinum toxin A.,Masuyer G, Thiyagarajan N, James PL, Marks PM, Chaddock JA, Acharya KR Biochem Biophys Res Commun. 2009 Mar 27;381(1):50-3. Epub 2009 Feb 8. PMID:19351593<ref>PMID:19351593</ref>
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 2w2d" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Botulinum neurotoxin 3D structures|Botulinum neurotoxin 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Bontoxilysin]]
 
[[Category: Clostridium botulinum]]
[[Category: Clostridium botulinum]]
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[[Category: Acharya, K R.]]
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[[Category: Large Structures]]
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[[Category: Chaddock, J A.]]
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[[Category: Acharya KR]]
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[[Category: James, P L.]]
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[[Category: Chaddock JA]]
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[[Category: Marks, P M.H.]]
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[[Category: James PL]]
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[[Category: Masuyer, G.]]
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[[Category: Marks PMH]]
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[[Category: Thiyagarajan, N.]]
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[[Category: Masuyer G]]
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[[Category: Bont]]
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[[Category: Thiyagarajan N]]
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[[Category: Hydrolase]]
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[[Category: Membrane]]
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[[Category: Membrane domain]]
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[[Category: Metal-binding]]
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[[Category: Metalloprotease]]
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[[Category: Mixed alpha and beta]]
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[[Category: Neurotoxin]]
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[[Category: Protease]]
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[[Category: Protein engineering]]
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[[Category: Secreted]]
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[[Category: Transmembrane]]
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[[Category: Zinc protease]]
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Current revision

Crystal Structure of a Catalytically Active, Non-toxic Endopeptidase Derivative of Clostridium botulinum Toxin A

PDB ID 2w2d

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