1axh

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==ATRACOTOXIN-HVI FROM HADRONYCHE VERSUTA (AUSTRALIAN FUNNEL-WEB SPIDER, NMR, 20 STRUCTURES==
==ATRACOTOXIN-HVI FROM HADRONYCHE VERSUTA (AUSTRALIAN FUNNEL-WEB SPIDER, NMR, 20 STRUCTURES==
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<StructureSection load='1axh' size='340' side='right' caption='[[1axh]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
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<StructureSection load='1axh' size='340' side='right'caption='[[1axh]]' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1axh]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Atrax_versutus Atrax versutus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1AXH OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1AXH FirstGlance]. <br>
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<table><tr><td colspan='2'>Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1AXH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1AXH FirstGlance]. <br>
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</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=1axh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1axh OCA], [http://pdbe.org/1axh PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1axh RCSB], [http://www.ebi.ac.uk/pdbsum/1axh PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1axh ProSAT]</span></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">Solution NMR, 20 models</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=1axh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1axh OCA], [https://pdbe.org/1axh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1axh RCSB], [https://www.ebi.ac.uk/pdbsum/1axh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1axh ProSAT]</span></td></tr>
</table>
</table>
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== Function ==
 
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[[http://www.uniprot.org/uniprot/TOT1A_HADVE TOT1A_HADVE]] Reversibly and voltage-independently blocks both mid-low- (M-LVA) and high-voltage-activated (HVA) calcium channels in cockroach DUM neurons. Lethal to many insect orders but not toxic to mice or rabbits. May target the insect high-voltage-activated calcium channel Dmca1D. Also inhibits acarines calcium channels. An extremely high toxin concentration partially inhibits Cav1.2/CACNA1C, Cav2.1/CACNA1A and Cav2.2/CACNA1B calcium channel of rats. As for omega-AcTx-Hv2a, the phenotypic effect of injection of this toxin into lone star ticks (Amblyomma americanum) is curling of all eight legs into closed loops.<ref>PMID:14608494</ref> <ref>PMID:15308644</ref> <ref>PMID:16330063</ref> <ref>PMID:17610847</ref> <ref>PMID:17141372</ref>
 
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ax/1axh_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ax/1axh_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<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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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Atrax versutus]]
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[[Category: Large Structures]]
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[[Category: Donoghue, S I.O]]
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[[Category: Fletcher JI]]
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[[Category: Fletcher, J I]]
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[[Category: King GF]]
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[[Category: King, G F]]
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[[Category: Nilges M]]
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[[Category: Nilges, M]]
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[[Category: O'Donoghue SI]]
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[[Category: Cystine knot]]
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[[Category: Funnel-web]]
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[[Category: Insecticidal toxin]]
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[[Category: Neurotoxin]]
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Current revision

ATRACOTOXIN-HVI FROM HADRONYCHE VERSUTA (AUSTRALIAN FUNNEL-WEB SPIDER, NMR, 20 STRUCTURES

PDB ID 1axh

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