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==The Structure of Mefenamic Acid Bound to Human Cyclooxygenase-2==
==The Structure of Mefenamic Acid Bound to Human Cyclooxygenase-2==
<StructureSection load='5ikr' size='340' side='right' caption='[[5ikr]], [[Resolution|resolution]] 2.34&Aring;' scene=''>
<StructureSection load='5ikr' size='340' side='right'caption='[[5ikr]], [[Resolution|resolution]] 2.34&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[5ikr]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5IKR OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5IKR FirstGlance]. <br>
<table><tr><td colspan='2'>[[5ikr]] is a 2 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=5IKR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5IKR FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BOG:B-OCTYLGLUCOSIDE'>BOG</scene>, <scene name='pdbligand=COH:PROTOPORPHYRIN+IX+CONTAINING+CO'>COH</scene>, <scene name='pdbligand=ID8:2-[(2,3-DIMETHYLPHENYL)AMINO]BENZOIC+ACID'>ID8</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=NH4:AMMONIUM+ION'>NH4</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.342&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5ikt|5ikt]], [[5ikq|5ikq]], [[5ikv|5ikv]]</td></tr>
<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=ID8:2-[(2,3-DIMETHYLPHENYL)AMINO]BENZOIC+ACID'>ID8</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=NH4:AMMONIUM+ION'>NH4</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><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></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=5ikr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ikr OCA], [https://pdbe.org/5ikr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5ikr RCSB], [https://www.ebi.ac.uk/pdbsum/5ikr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5ikr ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5ikr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ikr OCA], [http://pdbe.org/5ikr PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5ikr RCSB], [http://www.ebi.ac.uk/pdbsum/5ikr PDBsum]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/PGH2_HUMAN PGH2_HUMAN]] Converts arachidonate to prostaglandin H2 (PGH2), a committed step in prostanoid synthesis. Constitutively expressed in some tissues in physiological conditions, such as the endothelium, kidney and brain, and in pathological conditions, such as in cancer. PTGS2 is responsible for production of inflammatory prostaglandins. Up-regulation of PTGS2 is also associated with increased cell adhesion, phenotypic changes, resistance to apoptosis and tumor angiogenesis. In cancer cells, PTGS2 is a key step in the production of prostaglandin E2 (PGE2), which plays important roles in modulating motility, proliferation and resistance to apoptosis.<ref>PMID:16373578</ref>
[https://www.uniprot.org/uniprot/PGH2_HUMAN PGH2_HUMAN] Converts arachidonate to prostaglandin H2 (PGH2), a committed step in prostanoid synthesis. Constitutively expressed in some tissues in physiological conditions, such as the endothelium, kidney and brain, and in pathological conditions, such as in cancer. PTGS2 is responsible for production of inflammatory prostaglandins. Up-regulation of PTGS2 is also associated with increased cell adhesion, phenotypic changes, resistance to apoptosis and tumor angiogenesis. In cancer cells, PTGS2 is a key step in the production of prostaglandin E2 (PGE2), which plays important roles in modulating motility, proliferation and resistance to apoptosis.<ref>PMID:16373578</ref>  
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== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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</div>
</div>
<div class="pdbe-citations 5ikr" style="background-color:#fffaf0;"></div>
<div class="pdbe-citations 5ikr" style="background-color:#fffaf0;"></div>
==See Also==
*[[Cyclooxygenase 3D structures|Cyclooxygenase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Prostaglandin-endoperoxide synthase]]
[[Category: Homo sapiens]]
[[Category: Malkowski, M G]]
[[Category: Large Structures]]
[[Category: Orlando, B J]]
[[Category: Malkowski MG]]
[[Category: Cox mefenamic]]
[[Category: Orlando BJ]]
[[Category: Oxidoreductase]]

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