2b96

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[[Image:2b96.png|left|200px]]
 
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==Third Calcium ion found in an inhibitor bound phospholipase A2==
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The line below this paragraph, containing "STRUCTURE_2b96", creates the "Structure Box" on the page.
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<StructureSection load='2b96' size='340' side='right'caption='[[2b96]], [[Resolution|resolution]] 1.70&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'>[[2b96]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2B96 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2B96 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]] 1.7&#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=ANN:4-METHOXYBENZOIC+ACID'>ANN</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene></td></tr>
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{{STRUCTURE_2b96| PDB=2b96 | 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=2b96 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2b96 OCA], [https://pdbe.org/2b96 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2b96 RCSB], [https://www.ebi.ac.uk/pdbsum/2b96 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2b96 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PA21B_BOVIN PA21B_BOVIN] PA2 catalyzes the calcium-dependent hydrolysis of the 2-acyl groups in 3-sn-phosphoglycerides.
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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/b9/2b96_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=2b96 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 lipolytic enzyme phospholipase A2 plays a crucial role in lipid metabolism and catalyzes hydrolysis of the fatty-acid ester bond at the sn-2 position of phospholipids. Here, the crystal structure (1.7 A resolution) of the triple mutant (K53,56,121M) of bovine pancreatic phospholipase A2 complexed with an organic molecule, p-methoxybenzoic acid (anisic acid), is reported. Residues 60-70 (the surface-loop residues) are ordered and adopt conformations which are different from those normally found in structures in which a second calcium ion is present. It is interesting to note that for the first time a third calcium ion has been identified. In addition, four Tris (2-amino-2-hydroxymethyl-1,3-propanediol) molecules were located. It is believed that one of the Tris molecules plays a role in clamping the third calcium ion and that another is involved in controlling the dynamics of the surface loop through hydrogen bonds.
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===Third Calcium ion found in an inhibitor bound phospholipase A2===
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Third calcium ion found in an inhibitor-bound phospholipase A2.,Sekar K, Gayathri D, Velmurugan D, Jeyakanthan J, Yamane T, Poi MJ, Tsai MD Acta Crystallogr D Biol Crystallogr. 2006 Apr;62(Pt 4):392-7. Epub 2006, Mar 18. PMID:16552140<ref>PMID:16552140</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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The line below this paragraph, {{ABSTRACT_PUBMED_16552140}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 2b96" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 16552140 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16552140}}
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==About this Structure==
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[[2b96]] is a 1 chain structure of [[Phospholipase A2]] with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2B96 OCA].
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==See Also==
==See Also==
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*[[Phospholipase A2]]
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*[[Phospholipase A2 3D structures|Phospholipase A2 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:16552140</ref><ref group="xtra">PMID:14529623</ref><ref group="xtra">PMID:12460575</ref><ref group="xtra">PMID:10089393</ref><ref group="xtra">PMID:9115986</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Bos taurus]]
[[Category: Bos taurus]]
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[[Category: Sekar, K.]]
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[[Category: Large Structures]]
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[[Category: Tsai, M D.]]
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[[Category: Sekar K]]
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[[Category: Velmurugan, D.]]
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[[Category: Tsai MD]]
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[[Category: Yamane, T.]]
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[[Category: Velmurugan D]]
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[[Category: Alpha helix]]
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[[Category: Yamane T]]
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[[Category: Anisic acid]]
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[[Category: Beta sheet]]
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[[Category: Hydrolase]]
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[[Category: Triple mutant]]
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Current revision

Third Calcium ion found in an inhibitor bound phospholipase A2

PDB ID 2b96

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OCA

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