1zb7

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[[Image:1zb7.png|left|200px]]
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==Crystal Structure of Botulinum Neurotoxin Type G Light Chain==
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<StructureSection load='1zb7' size='340' side='right' caption='[[1zb7]], [[Resolution|resolution]] 2.35&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1zb7]] 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=1ZB7 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1ZB7 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FLC:CITRATE+ANION'>FLC</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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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=1zb7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zb7 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1zb7 RCSB], [http://www.ebi.ac.uk/pdbsum/1zb7 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/zb/1zb7_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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The seven serotypes (A-G) of botulinum neurotoxins (BoNTs) block neurotransmitter release through their specific proteolysis of one of the three proteins of the soluble N-ethylmaleimide-sensitive-factor attachment protein receptor (SNARE) complex. BoNTs have stringent substrate specificities that are unique for metalloprotease in that they require exceptionally long substrates (1). To understand the molecular reasons for the unique specificities of the BoNTs, we determined the crystal structure of the catalytic light chain (LC) of Clostridium botulinum neurotoxin type G (BoNT/G-LC) at 2.35 A resolution. The structure of BoNT/G-LC reveals a C-terminal beta-sheet that is critical for LC oligomerization and is unlike that seen in the other LC structures. Its structural comparison with thermolysin and the available pool of LC structures reveals important serotype differences that are likely to be involved in substrate recognition of the P1' residue. In addition, structural and sequence analyses have identified a potential exosite of BoNT/G-LC that recognizes a SNARE recognition motif of VAMP.
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{{STRUCTURE_1zb7| PDB=1zb7 | SCENE= }}
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Crystal structure of botulinum neurotoxin type G light chain: serotype divergence in substrate recognition.,Arndt JW, Yu W, Bi F, Stevens RC Biochemistry. 2005 Jul 19;44(28):9574-80. PMID:16008342<ref>PMID:16008342</ref>
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===Crystal Structure of Botulinum Neurotoxin Type G Light Chain===
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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_16008342}}
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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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[[1zb7]] 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=1ZB7 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:016008342</ref><references group="xtra"/>
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[[Category: Clostridium botulinum]]
[[Category: Clostridium botulinum]]
[[Category: Arndt, J W.]]
[[Category: Arndt, J W.]]

Revision as of 19:02, 29 September 2014

Crystal Structure of Botulinum Neurotoxin Type G Light Chain

1zb7, resolution 2.35Å

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