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==CARDIOTOXIN II FROM TAIWAN COBRA VENOM, NAJA NAJA ATRA: STRUCTURE IN SOLUTION AND COMPARISION AMONG HOMOLOGOUS CARDIOTOXINS==
==CARDIOTOXIN II FROM TAIWAN COBRA VENOM, NAJA NAJA ATRA: STRUCTURE IN SOLUTION AND COMPARISION AMONG HOMOLOGOUS CARDIOTOXINS==
<StructureSection load='1cre' size='340' side='right' caption='[[1cre]], [[NMR_Ensembles_of_Models | 1 NMR models]]' scene=''>
<StructureSection load='1cre' size='340' side='right'caption='[[1cre]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1cre]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Chinese_cobra Chinese cobra]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CRE OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1CRE FirstGlance]. <br>
<table><tr><td colspan='2'>[[1cre]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Naja_atra Naja atra]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CRE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CRE FirstGlance]. <br>
</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1crf|1crf]]</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR, 1 model</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=1cre FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cre OCA], [http://pdbe.org/1cre PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1cre RCSB], [http://www.ebi.ac.uk/pdbsum/1cre PDBsum]</span></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=1cre FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cre OCA], [https://pdbe.org/1cre PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cre RCSB], [https://www.ebi.ac.uk/pdbsum/1cre PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cre ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/3SA2_NAJAT 3SA2_NAJAT]] Basic protein that binds to cell membrane and depolarizes cardiomyocytes. It also shows lytic activities, but 2-fold less important than that of CTX-A4. It binds to the integrin alpha-V/beta-3 (ITGAV/ITGB3) with a moderate affinity. It may interact with sulfatides in the cell membrane which induces pore formation and cell internalization and is responsible for cytotoxicity in cardiomyocytes. It also may target the mitochondrial membrane and induce mitochondrial swelling and fragmentation.<ref>PMID:9398182</ref>
[https://www.uniprot.org/uniprot/3SA2_NAJAT 3SA2_NAJAT] Basic protein that binds to cell membrane and depolarizes cardiomyocytes. It also shows lytic activities, but 2-fold less important than that of CTX-A4. It binds to the integrin alpha-V/beta-3 (ITGAV/ITGB3) with a moderate affinity. It may interact with sulfatides in the cell membrane which induces pore formation and cell internalization and is responsible for cytotoxicity in cardiomyocytes. It also may target the mitochondrial membrane and induce mitochondrial swelling and fragmentation.<ref>PMID:9398182</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>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cr/1cre_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cr/1cre_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <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>
</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/chain_selection.php?pdb_ID=2ata ConSurf].
</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=1cre 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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==See Also==
==See Also==
*[[Cardiotoxin|Cardiotoxin]]
*[[Cardiotoxin 3D structures|Cardiotoxin 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Chinese cobra]]
[[Category: Large Structures]]
[[Category: Bhaskaran, R]]
[[Category: Naja atra]]
[[Category: Chang, K D]]
[[Category: Bhaskaran R]]
[[Category: Huang, C C]]
[[Category: Chang KD]]
[[Category: Yu, C]]
[[Category: Huang CC]]
[[Category: Cardiotoxin]]
[[Category: Yu C]]

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