1cqe

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[[Image:1cqe.gif|left|200px]]
 
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{{Structure
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==PROSTAGLANDIN H2 SYNTHASE-1 COMPLEX WITH FLURBIPROFEN==
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|PDB= 1cqe |SIZE=350|CAPTION= <scene name='initialview01'>1cqe</scene>, resolution 3.1&Aring;
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<StructureSection load='1cqe' size='340' side='right'caption='[[1cqe]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
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|SITE= <scene name='pdbsite=COA:Hydrophobic+Channel+Responsible+For+Cycloogenase+Activity'>COA</scene>, <scene name='pdbsite=COB:Hydrophobic+Channel+Responsible+For+Cycloogenase+Activity'>COB</scene>, <scene name='pdbsite=POA:Heme+Pocket+Responsible+For+Peroxidase+Activity'>POA</scene> and <scene name='pdbsite=POB:Heme+Pocket+Responsible+For+Peroxidase+Activity'>POB</scene>
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=BOG:B-OCTYLGLUCOSIDE'>BOG</scene>, <scene name='pdbligand=FLP:FLURBIPROFEN'>FLP</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>
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<table><tr><td colspan='2'>[[1cqe]] 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=1CQE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CQE FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Prostaglandin-endoperoxide_synthase Prostaglandin-endoperoxide synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.14.99.1 1.14.99.1] </span>
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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]] 3.1&#8491;</td></tr>
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|GENE=
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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=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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|DOMAIN=
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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=1cqe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cqe OCA], [https://pdbe.org/1cqe PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cqe RCSB], [https://www.ebi.ac.uk/pdbsum/1cqe PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cqe ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1cqe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cqe OCA], [http://www.ebi.ac.uk/pdbsum/1cqe PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1cqe RCSB]</span>
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== Function ==
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}}
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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/cq/1cqe_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=1cqe 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 three-dimensional structure of prostaglandin H2 synthase-1, an integral membrane protein, has been determined at 3.5 A resolution by X-ray crystallography. This bifunctional enzyme comprises three independent folding units: an epidermal growth factor domain, a membrane-binding motif and an enzymatic domain. Two adjacent but spatially distinct active sites were found for its haem-dependent peroxidase and cyclooxygenase activities. The cyclooxygenase active site is created by a long, hydrophobic channel that is the site of non-steroidal anti-inflammatory drug binding. The conformation of the membrane-binding motif strongly suggests that the enzyme integrates into only one leaflet of the lipid bilayer and is thus a monotopic membrane protein.
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'''PROSTAGLANDIN H2 SYNTHASE-1 COMPLEX WITH FLURBIPROFEN'''
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The X-ray crystal structure of the membrane protein prostaglandin H2 synthase-1.,Picot D, Loll PJ, Garavito RM Nature. 1994 Jan 20;367(6460):243-9. PMID:8121489<ref>PMID:8121489</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 1cqe" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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The three-dimensional structure of prostaglandin H2 synthase-1, an integral membrane protein, has been determined at 3.5 A resolution by X-ray crystallography. This bifunctional enzyme comprises three independent folding units: an epidermal growth factor domain, a membrane-binding motif and an enzymatic domain. Two adjacent but spatially distinct active sites were found for its haem-dependent peroxidase and cyclooxygenase activities. The cyclooxygenase active site is created by a long, hydrophobic channel that is the site of non-steroidal anti-inflammatory drug binding. The conformation of the membrane-binding motif strongly suggests that the enzyme integrates into only one leaflet of the lipid bilayer and is thus a monotopic membrane protein.
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*[[Cyclooxygenase 3D structures|Cyclooxygenase 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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1CQE is a [[Single protein]] structure of 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=1CQE OCA].
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__TOC__
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</StructureSection>
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==Reference==
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[[Category: Large Structures]]
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The X-ray crystal structure of the membrane protein prostaglandin H2 synthase-1., Picot D, Loll PJ, Garavito RM, Nature. 1994 Jan 20;367(6460):243-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8121489 8121489]
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[[Category: Ovis aries]]
[[Category: Ovis aries]]
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[[Category: Prostaglandin-endoperoxide synthase]]
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[[Category: Garavito RM]]
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[[Category: Single protein]]
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[[Category: Loll PJ]]
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[[Category: Garavito, R M.]]
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[[Category: Mulichak AM]]
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[[Category: Loll, P J.]]
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[[Category: Picot D]]
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[[Category: Mulichak, A M.]]
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[[Category: Picot, D.]]
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[[Category: dioxygenase]]
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[[Category: oxidoreductase]]
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[[Category: peroxidase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:26:30 2008''
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Current revision

PROSTAGLANDIN H2 SYNTHASE-1 COMPLEX WITH FLURBIPROFEN

PDB ID 1cqe

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