1pre: Difference between revisions
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==PROAEROLYSIN== | |||
<StructureSection load='1pre' size='340' side='right'caption='[[1pre]], [[Resolution|resolution]] 2.80Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[1pre]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Aeromonas_hydrophila Aeromonas hydrophila]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PRE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1PRE FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.8Å</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=1pre FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pre OCA], [https://pdbe.org/1pre PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1pre RCSB], [https://www.ebi.ac.uk/pdbsum/1pre PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1pre ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/AERA_AERHY AERA_AERHY] Aerolysin is a cytolytic toxin exported by the Gram negative Aeromonas bacteria. The mature toxin binds to eukaryotic cells and aggregates to form holes approximately 3 nm in diameter, leading to destruction of the membrane permeability barrier and osmotic lysis. | |||
== Evolutionary Conservation == | |||
[[Image:Consurf_key_small.gif|200px|right]] | |||
Check<jmol> | |||
<jmolCheckbox> | |||
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/pr/1pre_consurf.spt"</scriptWhenChecked> | |||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked> | |||
<text>to colour the structure by Evolutionary Conservation</text> | |||
</jmolCheckbox> | |||
</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/main_output.php?pdb_ID=1pre ConSurf]. | |||
<div style="clear:both"></div> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Aerolysin is chiefly responsible for the pathogenicity of Aeromonas hydrophila, a bacterium associated with diarrhoeal diseases and deep wound infections. Like many other microbial toxins, the protein changes in a multistep process from a completely water-soluble form to produce a transmembrane channel that destroys sensitive cells by breaking their permeability barriers. Here we describe the structure of proaerolysin determined by X-ray crystallography at 2.8 A resolution. The protoxin (M(r) 52,000) adopts a novel protein fold. Images of an aerolysin oligomer derived from electron microscopy have assisted in constructing a model of the membrane channel and have led to the proposal of a scheme to account for insertion of the protein into lipid bilayers to form ion channels. | |||
Structure of the Aeromonas toxin proaerolysin in its water-soluble and membrane-channel states.,Parker MW, Buckley JT, Postma JP, Tucker AD, Leonard K, Pattus F, Tsernoglou D Nature. 1994 Jan 20;367(6460):292-5. PMID:7510043<ref>PMID:7510043</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 1pre" style="background-color:#fffaf0;"></div> | |||
==See Also== | ==See Also== | ||
*[[Aerolysin|Aerolysin]] | *[[Aerolysin|Aerolysin]] | ||
*[[Aerolysin 3D structures|Aerolysin 3D structures]] | |||
== | == References == | ||
< | <references/> | ||
__TOC__ | |||
</StructureSection> | |||
[[Category: Aeromonas hydrophila]] | [[Category: Aeromonas hydrophila]] | ||
[[Category: Buckley | [[Category: Large Structures]] | ||
[[Category: Parker | [[Category: Buckley JT]] | ||
[[Category: Postma | [[Category: Parker MW]] | ||
[[Category: Tsernoglou | [[Category: Postma JPM]] | ||
[[Category: Tucker | [[Category: Tsernoglou D]] | ||
[[Category: Tucker AD]] | |||
Latest revision as of 07:48, 17 October 2024
PROAEROLYSINPROAEROLYSIN
Structural highlights
FunctionAERA_AERHY Aerolysin is a cytolytic toxin exported by the Gram negative Aeromonas bacteria. The mature toxin binds to eukaryotic cells and aggregates to form holes approximately 3 nm in diameter, leading to destruction of the membrane permeability barrier and osmotic lysis. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedAerolysin is chiefly responsible for the pathogenicity of Aeromonas hydrophila, a bacterium associated with diarrhoeal diseases and deep wound infections. Like many other microbial toxins, the protein changes in a multistep process from a completely water-soluble form to produce a transmembrane channel that destroys sensitive cells by breaking their permeability barriers. Here we describe the structure of proaerolysin determined by X-ray crystallography at 2.8 A resolution. The protoxin (M(r) 52,000) adopts a novel protein fold. Images of an aerolysin oligomer derived from electron microscopy have assisted in constructing a model of the membrane channel and have led to the proposal of a scheme to account for insertion of the protein into lipid bilayers to form ion channels. Structure of the Aeromonas toxin proaerolysin in its water-soluble and membrane-channel states.,Parker MW, Buckley JT, Postma JP, Tucker AD, Leonard K, Pattus F, Tsernoglou D Nature. 1994 Jan 20;367(6460):292-5. PMID:7510043[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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