6rw8: Difference between revisions
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<StructureSection load='6rw8' size='340' side='right'caption='[[6rw8]], [[Resolution|resolution]] 2.84Å' scene=''> | <StructureSection load='6rw8' size='340' side='right'caption='[[6rw8]], [[Resolution|resolution]] 2.84Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[6rw8]] is a 5 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6RW8 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6RW8 FirstGlance]. <br> | <table><tr><td colspan='2'>[[6rw8]] is a 5 chain structure with sequence from [http://en.wikipedia.org/wiki/"achromobacter_nematophilus"_poinar_and_thomas_1965 "achromobacter nematophilus" poinar and thomas 1965]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6RW8 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6RW8 FirstGlance]. <br> | ||
</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[6rw6|6rw6]]</td></tr> | </td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[6rw6|6rw6]]</td></tr> | ||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">xptA, XNC2_2467 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=628 "Achromobacter nematophilus" Poinar and Thomas 1965])</td></tr> | |||
<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=6rw8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6rw8 OCA], [http://pdbe.org/6rw8 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6rw8 RCSB], [http://www.ebi.ac.uk/pdbsum/6rw8 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6rw8 ProSAT]</span></td></tr> | <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=6rw8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6rw8 OCA], [http://pdbe.org/6rw8 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6rw8 RCSB], [http://www.ebi.ac.uk/pdbsum/6rw8 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6rw8 ProSAT]</span></td></tr> | ||
</table> | </table> | ||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Tc toxins use a syringe-like mechanism to penetrate the membrane and translocate toxic enzymes into the host cytosol. They are composed of three components: TcA, TcB, and TcC. Low-resolution structures of TcAs from different bacteria suggest a considerable difference in their architecture and possibly in their mechanism of action. Here, we present high-resolution structures of five TcAs from insect and human pathogens, which show a similar overall composition and domain organization. Essential structural features, including a trefoil protein knot, are present in all TcAs, suggesting a common mechanism of action. All TcAs form functional pores and can be combined with TcB-TcC subunits from other species to form active chimeric holotoxins. We identified a conserved ionic pair that stabilizes the shell, likely operating as a strong latch that only springs open after destabilization of other regions. Our results provide new insights into the architecture and mechanism of the Tc toxin family. | |||
Common architecture of Tc toxins from human and insect pathogenic bacteria.,Leidreiter F, Roderer D, Meusch D, Gatsogiannis C, Benz R, Raunser S Sci Adv. 2019 Oct 16;5(10):eaax6497. doi: 10.1126/sciadv.aax6497. eCollection, 2019 Oct. PMID:31663026<ref>PMID:31663026</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 6rw8" style="background-color:#fffaf0;"></div> | |||
== References == | |||
<references/> | |||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Achromobacter nematophilus poinar and thomas 1965]] | |||
[[Category: Large Structures]] | [[Category: Large Structures]] | ||
[[Category: Benz, R]] | [[Category: Benz, R]] | ||
Revision as of 08:48, 6 November 2019
Cryo-EM structure of Xenorhabdus nematophila XptA1
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