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1seg
From Proteopedia
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==Crystal structure of a toxin chimera between Lqh-alpha-IT from the scorpion Leiurus quinquestriatus hebraeus and AAH2 from Androctonus australis hector== | ==Crystal structure of a toxin chimera between Lqh-alpha-IT from the scorpion Leiurus quinquestriatus hebraeus and AAH2 from Androctonus australis hector== | ||
| - | <StructureSection load='1seg' size='340' side='right' caption='[[1seg]], [[Resolution|resolution]] 1.30Å' scene=''> | + | <StructureSection load='1seg' size='340' side='right'caption='[[1seg]], [[Resolution|resolution]] 1.30Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[1seg]] is a 1 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[1seg]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Androctonus_australis_hector Androctonus australis hector]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SEG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SEG FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=NO3:NITRATE+ION'>NO3</scene>, <scene name='pdbligand=PPI:PROPANOIC+ACID'>PPI</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene> | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.3Å</td></tr> |
| - | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NO3:NITRATE+ION'>NO3</scene>, <scene name='pdbligand=PPI:PROPANOIC+ACID'>PPI</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr> | |
| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1seg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1seg OCA], [https://pdbe.org/1seg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1seg RCSB], [https://www.ebi.ac.uk/pdbsum/1seg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1seg ProSAT]</span></td></tr> |
</table> | </table> | ||
== Function == | == Function == | ||
| - | [ | + | [https://www.uniprot.org/uniprot/SCX2_ANDAU SCX2_ANDAU] Alpha toxins bind voltage-independently at site-3 of sodium channels (Nav) and inhibit the inactivation of the activated channels, thereby blocking neuronal transmission. This toxin is active against mammals. |
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
Check<jmol> | Check<jmol> | ||
<jmolCheckbox> | <jmolCheckbox> | ||
| - | <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/se/1seg_consurf.spt"</scriptWhenChecked> | + | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/se/1seg_consurf.spt"</scriptWhenChecked> |
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | ||
<text>to colour the structure by Evolutionary Conservation</text> | <text>to colour the structure by Evolutionary Conservation</text> | ||
</jmolCheckbox> | </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/ | + | </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=1seg ConSurf]. |
<div style="clear:both"></div> | <div style="clear:both"></div> | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
</div> | </div> | ||
| + | <div class="pdbe-citations 1seg" style="background-color:#fffaf0;"></div> | ||
== References == | == References == | ||
<references/> | <references/> | ||
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</StructureSection> | </StructureSection> | ||
[[Category: Androctonus australis hector]] | [[Category: Androctonus australis hector]] | ||
| - | [[Category: Cohen | + | [[Category: Large Structures]] |
| - | [[Category: Frolow | + | [[Category: Cohen L]] |
| - | [[Category: Froy | + | [[Category: Frolow F]] |
| - | [[Category: Gilles | + | [[Category: Froy O]] |
| - | [[Category: Gordon | + | [[Category: Gilles N]] |
| - | [[Category: Gurevitz | + | [[Category: Gordon D]] |
| - | [[Category: Karbat | + | [[Category: Gurevitz M]] |
| - | [[Category: Turkov | + | [[Category: Karbat I]] |
| - | + | [[Category: Turkov M]] | |
| - | + | ||
| - | + | ||
Current revision
Crystal structure of a toxin chimera between Lqh-alpha-IT from the scorpion Leiurus quinquestriatus hebraeus and AAH2 from Androctonus australis hector
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