1ljt

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==Crystal Structure of Macrophage Migration Inhibitory Factor complexed with (S,R)-3-(4-hydroxyphenyl)-4,5-dihydro-5-isoxazole-acetic acid methyl ester (ISO-1)==
==Crystal Structure of Macrophage Migration Inhibitory Factor complexed with (S,R)-3-(4-hydroxyphenyl)-4,5-dihydro-5-isoxazole-acetic acid methyl ester (ISO-1)==
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<StructureSection load='1ljt' size='340' side='right' caption='[[1ljt]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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<StructureSection load='1ljt' size='340' side='right'caption='[[1ljt]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1ljt]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LJT OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1LJT FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1ljt]] is a 3 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=1LJT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1LJT FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HDI:3-(4-HYDROXYPHENYL)-4,5-DIHYDRO-5-ISOXAZOLE-ACETIC+ACID+METHYL+ESTER'>HDI</scene></td></tr>
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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='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=1ljt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ljt OCA], [http://pdbe.org/1ljt PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1ljt RCSB], [http://www.ebi.ac.uk/pdbsum/1ljt PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1ljt ProSAT]</span></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=HDI:3-(4-HYDROXYPHENYL)-4,5-DIHYDRO-5-ISOXAZOLE-ACETIC+ACID+METHYL+ESTER'>HDI</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=1ljt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ljt OCA], [https://pdbe.org/1ljt PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ljt RCSB], [https://www.ebi.ac.uk/pdbsum/1ljt PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ljt ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
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[[http://www.uniprot.org/uniprot/MIF_HUMAN MIF_HUMAN]] Genetic variations in MIF are associated with susceptibility to rheumatoid arthritis systemic juvenile (RASJ) [MIM:[http://omim.org/entry/604302 604302]]. An inflammatory articular disorder with systemic-onset beginning before the age of 16. It represents a subgroup of juvenile arthritis associated with severe extraarticular features and occasionally fatal complications. During active phases of the disorder, patients display a typical daily spiking fever, an evanescent macular rash, lymphadenopathy, hepatosplenomegaly, serositis, myalgia and arthritis.
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[https://www.uniprot.org/uniprot/MIF_HUMAN MIF_HUMAN] Genetic variations in MIF are associated with susceptibility to rheumatoid arthritis systemic juvenile (RASJ) [MIM:[https://omim.org/entry/604302 604302]. An inflammatory articular disorder with systemic-onset beginning before the age of 16. It represents a subgroup of juvenile arthritis associated with severe extraarticular features and occasionally fatal complications. During active phases of the disorder, patients display a typical daily spiking fever, an evanescent macular rash, lymphadenopathy, hepatosplenomegaly, serositis, myalgia and arthritis.
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/MIF_HUMAN MIF_HUMAN]] Pro-inflammatory cytokine. Involved in the innate immune response to bacterial pathogens. The expression of MIF at sites of inflammation suggests a role as mediator in regulating the function of macrophages in host defense. Counteracts the anti-inflammatory activity of glucocorticoids. Has phenylpyruvate tautomerase and dopachrome tautomerase activity (in vitro), but the physiological substrate is not known. It is not clear whether the tautomerase activity has any physiological relevance, and whether it is important for cytokine activity.<ref>PMID:15908412</ref> <ref>PMID:17443469</ref>
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[https://www.uniprot.org/uniprot/MIF_HUMAN MIF_HUMAN] Pro-inflammatory cytokine. Involved in the innate immune response to bacterial pathogens. The expression of MIF at sites of inflammation suggests a role as mediator in regulating the function of macrophages in host defense. Counteracts the anti-inflammatory activity of glucocorticoids. Has phenylpyruvate tautomerase and dopachrome tautomerase activity (in vitro), but the physiological substrate is not known. It is not clear whether the tautomerase activity has any physiological relevance, and whether it is important for cytokine activity.<ref>PMID:15908412</ref> <ref>PMID:17443469</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=1ljt ConSurf].
</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=1ljt ConSurf].
<div style="clear:both"></div>
<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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Macrophage migration inhibitory factor (MIF) is an immunoregulatory protein that is a potential therapeutic target for a number of inflammatory diseases. Evidence exists that an unexpected catalytic active site of MIF may have a biological function. To gain further insight into the role of the catalytic active site, a series of mutational, structural, and biological activity studies were performed. The insertion of an alanine between Pro-1 and Met-2 (PAM) abolishes a non-physiological catalytic activity, and this mutant is defective in the in vitro glucocorticoid counter-regulatory activity of MIF. The crystal structure of MIF complexed to (S,R)-3-(4-hydroxyphenyl)-4,5-dihydro-5-isoxazole acetic acid methyl ester (ISO-1), an inhibitor of MIF d-dopachrome tautomerase activity, reveals that ISO-1 binds to the same position of the active site as p-hydroxyphenylpyruvic acid, a substrate of MIF. ISO-1 inhibits several MIF biological activities, further establishing a role for the catalytic active site of MIF.
 
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The tautomerase active site of macrophage migration inhibitory factor is a potential target for discovery of novel anti-inflammatory agents.,Lubetsky JB, Dios A, Han J, Aljabari B, Ruzsicska B, Mitchell R, Lolis E, Al-Abed Y J Biol Chem. 2002 Jul 12;277(28):24976-82. Epub 2002 May 7. PMID:11997397<ref>PMID:11997397</ref>
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==See Also==
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*[[Macrophage inhibitory factor 3D structures|Macrophage inhibitory factor 3D structures]]
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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 1ljt" style="background-color:#fffaf0;"></div>
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== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
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[[Category: Al-Abed, Y]]
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[[Category: Large Structures]]
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[[Category: Aljabari, B]]
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[[Category: Al-Abed Y]]
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[[Category: Dios, A]]
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[[Category: Aljabari B]]
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[[Category: Han, J]]
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[[Category: Dios A]]
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[[Category: Lolis, E]]
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[[Category: Han J]]
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[[Category: Lubetsky, J B]]
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[[Category: Lolis E]]
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[[Category: Mitchell, R]]
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[[Category: Lubetsky JB]]
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[[Category: Ruzsicska, B]]
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[[Category: Mitchell R]]
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[[Category: Immune system]]
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[[Category: Ruzsicska B]]
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[[Category: Protein-inhibitor complex]]
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Current revision

Crystal Structure of Macrophage Migration Inhibitory Factor complexed with (S,R)-3-(4-hydroxyphenyl)-4,5-dihydro-5-isoxazole-acetic acid methyl ester (ISO-1)

PDB ID 1ljt

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