3k3q

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Current revision (02:00, 21 November 2024) (edit) (undo)
 
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==Crystal Structure of a Llama Antibody complexed with the C. Botulinum Neurotoxin Serotype A Catalytic Domain==
==Crystal Structure of a Llama Antibody complexed with the C. Botulinum Neurotoxin Serotype A Catalytic Domain==
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<StructureSection load='3k3q' size='340' side='right' caption='[[3k3q]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
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<StructureSection load='3k3q' size='340' side='right'caption='[[3k3q]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3k3q]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Clobh Clobh] and [http://en.wikipedia.org/wiki/Camelus_glama Camelus glama]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3K3Q OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3K3Q FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3k3q]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Clostridium_botulinum_A_str._Hall Clostridium botulinum A str. Hall] and [https://en.wikipedia.org/wiki/Lama_glama Lama glama]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3K3Q OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3K3Q FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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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]] 2.6&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">llama VHH immunoglobulin ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9844 Camelus glama]), botA, CBO0806, CLC_0862, neurotoxin catalytic domain ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=441771 CLOBH])</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=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='activity'><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 id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3k3q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3k3q OCA], [https://pdbe.org/3k3q PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3k3q RCSB], [https://www.ebi.ac.uk/pdbsum/3k3q PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3k3q ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3k3q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3k3q OCA], [http://pdbe.org/3k3q PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3k3q RCSB], [http://www.ebi.ac.uk/pdbsum/3k3q PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3k3q ProSAT]</span></td></tr>
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</table>
</table>
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== Function ==
 
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[[http://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/k3/3k3q_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/k3/3k3q_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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==See Also==
==See Also==
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*[[Botulinum neurotoxin|Botulinum neurotoxin]]
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*[[Antibody 3D structures|Antibody 3D structures]]
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*[[Llama Antibody Inhibits Botulinum Neruotoxin|Llama Antibody Inhibits Botulinum Neruotoxin]]
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*[[Botulinum neurotoxin 3D structures|Botulinum neurotoxin 3D structures]]
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*[[3D structures of non-human antibody|3D structures of non-human antibody]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Bontoxilysin]]
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[[Category: Clostridium botulinum A str. Hall]]
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[[Category: Camelus glama]]
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[[Category: Lama glama]]
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[[Category: Clobh]]
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[[Category: Large Structures]]
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[[Category: Dong, J]]
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[[Category: Dong J]]
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[[Category: Marks, J D]]
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[[Category: Marks JD]]
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[[Category: Stevens, R C]]
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[[Category: Stevens RC]]
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[[Category: Thompson, A A]]
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[[Category: Thompson AA]]
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[[Category: Antibody]]
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[[Category: Bont]]
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[[Category: Botulinum]]
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[[Category: Cell junction]]
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[[Category: Cell membrane]]
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[[Category: Cytoplasm]]
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[[Category: Disulfide bond]]
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[[Category: Hydrolase]]
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[[Category: Immune system]]
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[[Category: Llama]]
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[[Category: Membrane]]
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[[Category: Metal-binding]]
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[[Category: Metalloprotease]]
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[[Category: Neurotoxin]]
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[[Category: Pharmaceutical]]
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[[Category: Protease]]
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[[Category: Secreted]]
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[[Category: Synapse]]
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[[Category: Toxin]]
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[[Category: Transmembrane]]
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[[Category: Vhh]]
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[[Category: Zinc]]
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Current revision

Crystal Structure of a Llama Antibody complexed with the C. Botulinum Neurotoxin Serotype A Catalytic Domain

PDB ID 3k3q

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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