1kqu

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{{Seed}}
 
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[[Image:1kqu.png|left|200px]]
 
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==Human phospholipase A2 complexed with a substrate anologue==
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The line below this paragraph, containing "STRUCTURE_1kqu", creates the "Structure Box" on the page.
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<StructureSection load='1kqu' size='340' side='right'caption='[[1kqu]], [[Resolution|resolution]] 2.10&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'>[[1kqu]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KQU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KQU FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.1&#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=BR4:6-PHENYL-4(R)-(7-PHENYL-HEPTANOYLAMINO)-HEXANOIC+ACID'>BR4</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
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{{STRUCTURE_1kqu| PDB=1kqu | 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=1kqu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kqu OCA], [https://pdbe.org/1kqu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kqu RCSB], [https://www.ebi.ac.uk/pdbsum/1kqu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kqu ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PA2GA_HUMAN PA2GA_HUMAN] Thought to participate in the regulation of the phospholipid metabolism in biomembranes including eicosanoid biosynthesis. 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/kq/1kqu_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=1kqu 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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Few reported inhibitors of secretory phospholipase A(2) enzymes truly inhibit the IIa human isoform (hnpsPLA(2)-IIa) noncovalently at submicromolar concentrations. Herein, the simple chiral precursor D-tyrosine was derivatised to give a series of potent new inhibitors of hnpsPLA(2)-IIa. A 2.2-A crystal structure shows an inhibitor bound in the active site of the enzyme, chelated to a Ca(2+) ion through carboxylate and amide oxygen atoms, H-bonded through an amide NH group to His48, with multiple hydrophobic contacts and a T-shaped aromatic-group-His6 interaction. Antiinflammatory activity is also demonstrated for two compounds administered orally to rats.
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===Human phospholipase A2 complexed with a substrate anologue===
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D-Tyrosine as a chiral precusor to potent inhibitors of human nonpancreatic secretory phospholipase A2 (IIa) with antiinflammatory activity.,Hansford KA, Reid RC, Clark CI, Tyndall JD, Whitehouse MW, Guthrie T, McGeary RP, Schafer K, Martin JL, Fairlie DP Chembiochem. 2003 Mar 3;4(2-3):181-5. PMID:12616631<ref>PMID:12616631</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 1kqu" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_12616631}}, adds the Publication Abstract to the page
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*[[Phospholipase A2 3D structures|Phospholipase A2 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 12616631 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_12616631}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1KQU is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KQU OCA].
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==Reference==
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<ref group="xtra">PMID:12616631</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Martin, J L.]]
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[[Category: Large Structures]]
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[[Category: Tyndall, J D.]]
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[[Category: Martin JL]]
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[[Category: Inhibitor]]
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[[Category: Tyndall JD]]
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[[Category: Phospholipase a2]]
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[[Category: Structure]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 20:06:08 2009''
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Current revision

Human phospholipase A2 complexed with a substrate anologue

PDB ID 1kqu

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