1cdt

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[[Image:1cdt.png|left|200px]]
 
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==CARDIOTOXIN V4/II FROM NAJA MOSSAMBICA MOSSAMBICA: THE REFINED CRYSTAL STRUCTURE==
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The line below this paragraph, containing "STRUCTURE_1cdt", creates the "Structure Box" on the page.
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<StructureSection load='1cdt' size='340' side='right'caption='[[1cdt]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1cdt]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Naja_mossambica Naja mossambica]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CDT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CDT FirstGlance]. <br>
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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]] 2.5&#8491;</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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{{STRUCTURE_1cdt| PDB=1cdt | SCENE= }}
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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=1cdt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cdt OCA], [https://pdbe.org/1cdt PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cdt RCSB], [https://www.ebi.ac.uk/pdbsum/1cdt PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cdt ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/3SA4_NAJMO 3SA4_NAJMO] Shows cytolytic activity on many different cells by forming pore in lipid membranes. In vivo, increases heart rate or kills the animal by cardiac arrest. In addition, it binds to heparin with high affinity, interacts with Kv channel-interacting protein 1 (KCNIP1) in a calcium-independent manner, and binds to integrin alpha-V/beta-3 (ITGAV/ITGB3) with moderate affinity.[UniProtKB:P60301][UniProtKB:P60304]<ref>PMID:8182052</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cd/1cdt_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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=1cdt ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The crystal structure of cardiotoxin VII4 from Naja mossambica mossambica was refined to 2.5 A resolution. Fifty ordered solvent sites were localized and included in the refinement. The final R factor is 0.197 (lambda/(2sin theta) less than 5 A; F greater than 3 sigma). The three-dimensional structure is characterized by two beta-sheets. Of particular interest is the two-stranded beta-sheet in the N-terminal region. This shows a large right-handed twist and, though strongly connected to the core of the molecule, and in particular to the C-terminal end, protrudes out of the bulk of the molecule. The segment of four amino acid residues connecting the two strands of this sheet is particularly exposed. It contains an invariant proline residue that has probably an important structural role, and is completely hydrophobic. Two other conserved hydrophobic zones were identified; the largest extends over the second and third loops, on one side only of the molecule. All side-chains of invariant hydrophobic character (except proline residues) belong to one of these three zones. Also discussed are the dimeric assembly and the rather loose packing in the crystal. The three-dimensional structure is compared with that of short and long alpha-neurotoxins. Comparison with two-dimensional nuclear magnetic resonance results on the 68% homologous cardiotoxin CT X IIb shows an excellent overall agreement. A few differences are probably genuine.
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===CARDIOTOXIN V4/II FROM NAJA MOSSAMBICA MOSSAMBICA: THE REFINED CRYSTAL STRUCTURE===
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Cardiotoxin VII4 from Naja mossambica mossambica. The refined crystal structure.,Rees B, Bilwes A, Samama JP, Moras D J Mol Biol. 1990 Jul 5;214(1):281-97. PMID:2370666<ref>PMID:2370666</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 1cdt" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 2370666 is the PubMed ID number.
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{{ABSTRACT_PUBMED_2370666}}
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==About this Structure==
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[[1cdt]] is a 2 chain structure of [[Cardiotoxin]] with sequence from [http://en.wikipedia.org/wiki/Naja_mossambica Naja mossambica]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CDT OCA].
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==See Also==
==See Also==
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*[[Cardiotoxin]]
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*[[Cardiotoxin 3D structures|Cardiotoxin 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:2370666</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Naja mossambica]]
[[Category: Naja mossambica]]
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[[Category: Bilwes, A.]]
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[[Category: Bilwes A]]
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[[Category: Moras, D.]]
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[[Category: Moras D]]
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[[Category: Rees, B.]]
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[[Category: Rees B]]
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[[Category: Samama, J P.]]
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[[Category: Samama JP]]
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[[Category: Cytotoxin]]
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Current revision

CARDIOTOXIN V4/II FROM NAJA MOSSAMBICA MOSSAMBICA: THE REFINED CRYSTAL STRUCTURE

PDB ID 1cdt

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