6h2f

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Current revision (07:34, 1 May 2024) (edit) (undo)
 
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<StructureSection load='6h2f' size='340' side='right'caption='[[6h2f]], [[Resolution|resolution]] 2.55&Aring;' scene=''>
<StructureSection load='6h2f' size='340' side='right'caption='[[6h2f]], [[Resolution|resolution]] 2.55&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6h2f]] is a 10 chain structure with sequence from [http://en.wikipedia.org/wiki/Aeromonas_hydrophila_al09-71 Aeromonas hydrophila al09-71]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6H2F OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6H2F FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6h2f]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Aeromonas_hydrophila_subsp._hydrophila_AL09-71 Aeromonas hydrophila subsp. hydrophila AL09-71]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6H2F OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6H2F 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=PO4:PHOSPHATE+ION'>PO4</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]] 2.55&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">A9R12_16795 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1418110 Aeromonas hydrophila AL09-71])</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=PO4:PHOSPHATE+ION'>PO4</scene></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=6h2f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6h2f OCA], [http://pdbe.org/6h2f PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6h2f RCSB], [http://www.ebi.ac.uk/pdbsum/6h2f PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6h2f ProSAT]</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=6h2f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6h2f OCA], [https://pdbe.org/6h2f PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6h2f RCSB], [https://www.ebi.ac.uk/pdbsum/6h2f PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6h2f ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/A0KLE1_AERHH A0KLE1_AERHH]
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The alpha helical CytolysinA family of pore forming toxins (alpha-PFT) contains single, two, and three component members. Structures of the single component Eschericia coli ClyA and the two component Yersinia enterolytica YaxAB show both undergo conformational changes from soluble to pore forms, and oligomerization to produce the active pore. Here we identify tripartite alpha-PFTs in pathogenic Gram negative bacteria, including Aeromonas hydrophila (AhlABC). We show that the AhlABC toxin requires all three components for maximal cell lysis. We present structures of pore components which describe a bi-fold hinge mechanism for soluble to pore transition in AhlB and a contrasting tetrameric assembly employed by soluble AhlC to hide their hydrophobic membrane associated residues. We propose a model of pore assembly where the AhlC tetramer dissociates, binds a single membrane leaflet, recruits AhlB promoting soluble to pore transition, prior to AhlA binding to form the active hydrophilic lined pore.
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(Identification and structural analysis of the tripartite alpha-pore forming toxin of Aeromonas hydrophila).,Wilson JS, Churchill-Angus AM, Davies SP, Sedelnikova SE, Tzokov SB, Rafferty JB, Bullough PA, Bisson C, Baker PJ Nat Commun. 2019 Jul 1;10(1):2900. doi: 10.1038/s41467-019-10777-x. PMID:31263098<ref>PMID:31263098</ref>
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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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<div class="pdbe-citations 6h2f" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Aeromonas hydrophila al09-71]]
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[[Category: Aeromonas hydrophila subsp. hydrophila AL09-71]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Baker, P J]]
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[[Category: Baker PJ]]
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[[Category: Churchill-Angus, A M]]
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[[Category: Churchill-Angus AM]]
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[[Category: Wilson, J S]]
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[[Category: Wilson JS]]
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[[Category: Toxin]]
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[[Category: Tripartite pore-forming toxin]]
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Current revision

Structure of the pre-pore AhlB of the tripartite alpha-pore forming toxin, AHL, from Aeromonas hydrophila.

PDB ID 6h2f

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