2ayl

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{{STRUCTURE_2ayl| PDB=2ayl | SCENE= }}
 
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===2.0 Angstrom Crystal Structure of Manganese Protoporphyrin IX-reconstituted Ovine Prostaglandin H2 Synthase-1 Complexed With Flurbiprofen===
 
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{{ABSTRACT_PUBMED_16421446}}
 
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==About this Structure==
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==2.0 Angstrom Crystal Structure of Manganese Protoporphyrin IX-reconstituted Ovine Prostaglandin H2 Synthase-1 Complexed With Flurbiprofen==
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[[2ayl]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Ovis_aries Ovis aries]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2AYL OCA].
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<StructureSection load='2ayl' size='340' side='right'caption='[[2ayl]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2ayl]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Ovis_aries Ovis aries]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2AYL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2AYL 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&#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=BOG:B-OCTYLGLUCOSIDE'>BOG</scene>, <scene name='pdbligand=FLP:FLURBIPROFEN'>FLP</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=MNH:MANGANESE+PROTOPORPHYRIN+IX'>MNH</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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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=2ayl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ayl OCA], [https://pdbe.org/2ayl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ayl RCSB], [https://www.ebi.ac.uk/pdbsum/2ayl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ayl ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PGH1_SHEEP PGH1_SHEEP] May play an important role in regulating or promoting cell proliferation in some normal and neoplastically transformed cells.
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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/ay/2ayl_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=2ayl 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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Prostaglandin H2 synthase (EC 1.14.99.1) is a clinically important drug target that catalyzes two key steps in the biosynthesis of the eicosanoid hormones. The enzyme contains spatially distinct cyclooxygenase and peroxidase active sites, both of which require a heme cofactor. Substitution of ferric heme by Mn(III) protoporphyrin IX greatly diminishes the peroxidase activity, but has little effect on the cyclooxygenase activity. Here, the 2.0 angstroms resolution crystal structure of the Mn(III) form of ovine prostaglandin H2 synthase-1 is described (R = 21.8%, R(free) = 23.7%). Substitution of Mn(III) for Fe(III) causes no structural perturbations in the protein. However, the out-of-plane displacement of the manganese ion with respect to the porphyrin is greater than that of the iron by approximately 0.2 angstroms. This perturbation may help to explain the altered catalytic properties of the manganese enzyme.
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==See Also==
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2.0 angstroms structure of prostaglandin H2 synthase-1 reconstituted with a manganese porphyrin cofactor.,Gupta K, Selinsky BS, Loll PJ Acta Crystallogr D Biol Crystallogr. 2006 Feb;62(Pt 2):151-6. Epub 2006, Jan 18. PMID:16421446<ref>PMID:16421446</ref>
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*[[Cyclooxygenase|Cyclooxygenase]]
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<ref group="xtra">PMID:016421446</ref><references group="xtra"/>
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</div>
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<div class="pdbe-citations 2ayl" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Cyclooxygenase 3D structures|Cyclooxygenase 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Ovis aries]]
[[Category: Ovis aries]]
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[[Category: Prostaglandin-endoperoxide synthase]]
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[[Category: Gupta K]]
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[[Category: Gupta, K.]]
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[[Category: Loll PJ]]
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[[Category: Loll, P J.]]
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[[Category: Selinsky BS]]
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[[Category: Selinsky, B S.]]
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[[Category: Cyclooxygenase]]
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[[Category: Egf-like domain]]
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[[Category: Maganese protoporphyrin ix]]
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[[Category: Membrane binding domain]]
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[[Category: Non-steroidal anti-inflammatory drug]]
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[[Category: Oxidoreductase]]
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[[Category: Peroxidase]]
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[[Category: Prostaglandin synthase]]
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Current revision

2.0 Angstrom Crystal Structure of Manganese Protoporphyrin IX-reconstituted Ovine Prostaglandin H2 Synthase-1 Complexed With Flurbiprofen

PDB ID 2ayl

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