1pc9

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[[Image:1pc9.png|left|200px]]
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==Crystal Structure of BnSP-6, a Lys49-Phospholipase A2==
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<StructureSection load='1pc9' size='340' side='right' caption='[[1pc9]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1pc9]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bothropoides_pauloensis Bothropoides pauloensis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PC9 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1PC9 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1pa0|1pa0]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Phospholipase_A(2) Phospholipase A(2)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.1.4 3.1.1.4] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1pc9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pc9 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1pc9 RCSB], [http://www.ebi.ac.uk/pdbsum/1pc9 PDBsum]</span></td></tr>
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<table>
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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/pc/1pc9_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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/chain_selection.php?pdb_ID=2ata 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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Phospholipases A(2) are components of Bothrops venoms responsible for disruption of cell membrane integrity via hydrolysis of its phospholipids. A class of PLA(2)-like proteins has been described which despite PLA(2) activity on artificial substrate, due to a D49K mutation, is still highly myonecrotic. This work reports the X-ray structure determination of two Lys49-PLA(2)s from Bothrops neuwiedi pauloensis (BnSP-7 and BnSP-6) and, for the first time, the comparison of eight dimeric Lys49-PLA(2)s. This comparison reveals that there are not just two ("open" and "closed") but at least six different conformations. The binding of fatty acid observed in three recent Lys49-PLA(2) structures seems to be independent of their quaternary conformation. Cys29 polarization by Lys122 is not significant for BnSP-7 and BnSP-6 or other structures not bound by fatty acids. These structures may be in an "active" state when nothing is bound to them and the Lys122/Cys29 interactions are weak or absent.
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{{STRUCTURE_1pc9| PDB=1pc9 | SCENE= }}
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Crystal structures of BnSP-7 and BnSP-6, two Lys49-phospholipases A(2): quaternary structure and inhibition mechanism insights.,Magro AJ, Soares AM, Giglio JR, Fontes MR Biochem Biophys Res Commun. 2003 Nov 21;311(3):713-20. PMID:14623331<ref>PMID:14623331</ref>
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===Crystal Structure of BnSP-6, a Lys49-Phospholipase A2===
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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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{{ABSTRACT_PUBMED_14623331}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1pc9]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bothropoides_pauloensis Bothropoides pauloensis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PC9 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:014623331</ref><references group="xtra"/>
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[[Category: Bothropoides pauloensis]]
[[Category: Bothropoides pauloensis]]
[[Category: Fontes, M R.M.]]
[[Category: Fontes, M R.M.]]

Revision as of 00:14, 29 September 2014

Crystal Structure of BnSP-6, a Lys49-Phospholipase A2

1pc9, resolution 2.50Å

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