2zoe: Difference between revisions
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==HA3 subcomponent of Clostridium botulinum type C progenitor toxin, complex with N-acetylneuramic acid== | ==HA3 subcomponent of Clostridium botulinum type C progenitor toxin, complex with N-acetylneuramic acid== | ||
<StructureSection load='2zoe' size='340' side='right' caption='[[2zoe]], [[Resolution|resolution]] 2.60Å' scene=''> | <StructureSection load='2zoe' size='340' side='right'caption='[[2zoe]], [[Resolution|resolution]] 2.60Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[2zoe]] is a 2 chain structure with sequence from [ | <table><tr><td colspan='2'>[[2zoe]] is a 2 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=2ZOE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2ZOE FirstGlance]. <br> | ||
</td></tr><tr id=' | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.6Å</td></tr> | ||
<tr id=' | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=SLB:5-N-ACETYL-BETA-D-NEURAMINIC+ACID'>SLB</scene></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2zoe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2zoe OCA], [https://pdbe.org/2zoe PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2zoe RCSB], [https://www.ebi.ac.uk/pdbsum/2zoe PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2zoe ProSAT]</span></td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | |||
</table> | </table> | ||
== Function == | |||
[https://www.uniprot.org/uniprot/HA70C_CBCP HA70C_CBCP] The hemagglutinin (HA) component of the progenitor toxin protects the structural integrity of botulinum neurotoxin; may increase internalization of the neurotoxin into the bloodstream of the host (PubMed:9421908). The HA component is involved in binding to the upper small intestine through interactions with glycolipids and glycoproteins containing sialic acid moieties (Probable). Whole protein and the HA-53 chain (but not the HA-22-23 chain) bind to bovine mucin; if the mucin is pretreated with neuraminidase (removes the terminal sialic acid of glycoconjugates) mucin binding is decreased (PubMed:19071137). Has higher affinity for alpha-2,3-sialylated oligosaccharides than alpha-2-6 sialylated oligosaccharides (PubMed:22684008).<ref>PMID:19071137</ref> <ref>PMID:22684008</ref> <ref>PMID:9421908</ref> <ref>PMID:9421908</ref> | |||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
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<jmolCheckbox> | <jmolCheckbox> | ||
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/zo/2zoe_consurf.spt"</scriptWhenChecked> | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/zo/2zoe_consurf.spt"</scriptWhenChecked> | ||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/ | <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== | ||
*[[Hemagglutinin|Hemagglutinin]] | *[[Hemagglutinin 3D structures|Hemagglutinin 3D structures]] | ||
== References == | == References == | ||
<references/> | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: | [[Category: Clostridium botulinum]] | ||
[[Category: Ide | [[Category: Large Structures]] | ||
[[Category: Kotani | [[Category: Ide A]] | ||
[[Category: Nakamura | [[Category: Kotani M]] | ||
[[Category: Nishikawa | [[Category: Nakamura T]] | ||
[[Category: Oguma | [[Category: Nishikawa A]] | ||
[[Category: Tonozuka | [[Category: Oguma K]] | ||
[[Category: Tonozuka T]] | |||