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==Crystal structure of human FABP4 complexed with ligand 2-fluoro-3-((4-methoxynaphthalene)-1-sulfonamido)benzoic acid==
==Crystal structure of human FABP4 complexed with ligand 2-fluoro-3-((4-methoxynaphthalene)-1-sulfonamido)benzoic acid==
<StructureSection load='5y0x' size='340' side='right' caption='[[5y0x]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
<StructureSection load='5y0x' size='340' side='right'caption='[[5y0x]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[5y0x]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5Y0X OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5Y0X FirstGlance]. <br>
<table><tr><td colspan='2'>[[5y0x]] 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=5Y0X OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5Y0X FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=8JR:2-fluoranyl-3-[(4-methoxynaphthalen-1-yl)sulfonylamino]benzoic+acid'>8JR</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]] 1.604&#8491;</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=5y0x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5y0x OCA], [http://pdbe.org/5y0x PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5y0x RCSB], [http://www.ebi.ac.uk/pdbsum/5y0x PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5y0x ProSAT]</span></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=8JR:2-fluoranyl-3-[(4-methoxynaphthalen-1-yl)sulfonylamino]benzoic+acid'>8JR</scene></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=5y0x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5y0x OCA], [https://pdbe.org/5y0x PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5y0x RCSB], [https://www.ebi.ac.uk/pdbsum/5y0x PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5y0x ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/FABP4_HUMAN FABP4_HUMAN]] Lipid transport protein in adipocytes. Binds both long chain fatty acids and retinoic acid. Delivers long-chain fatty acids and retinoic acid to their cognate receptors in the nucleus (By similarity).
[https://www.uniprot.org/uniprot/FABP4_HUMAN FABP4_HUMAN] Lipid transport protein in adipocytes. Binds both long chain fatty acids and retinoic acid. Delivers long-chain fatty acids and retinoic acid to their cognate receptors in the nucleus (By similarity).
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Fatty acid binding protein 4 (FABP4) plays a critical role in metabolism and inflammatory processes and therefore is a potential therapeutic target for immunometabolic diseases such as diabetes and atherosclerosis. Herein, we reported the identification of naphthalene-1-sulfonamide derivatives as novel, potent and selective FABP4 inhibitors by applying a structure-based design strategy. The binding affinities of compounds 16dk, 16do and 16du to FABP4, at the molecular level, are equivalent to or even better than that of BMS309403. The X-ray crystallography complemented by the isothermal titration calorimetry studies revealed the binding mode of this series of inhibitors and the pivotal network of ordered water molecules in the binding pocket of FABP4. Moreover, compounds 16dk and 16do showed good metabolic stabilities in liver microsomes. Further extensive in vivo study demonstrated that 16dk and 16do exhibited a dramatic improvement in glucose and lipid metabolism, by decreasing fasting blood glucose and serum lipid levels, enhancing insulin sensitivity, and ameliorating hepatic steatosis in obese diabetic (db/db) mice.


From hit to lead: Structure-based discovery of naphthalene-1-sulfonamide derivatives as potent and selective inhibitors of fatty acid binding protein 4.,Gao DD, Dou HX, Su HX, Zhang MM, Wang T, Liu QF, Cai HY, Ding HP, Yang Z, Zhu WL, Xu YC, Wang HY, Li YX Eur J Med Chem. 2018 May 9;154:44-59. doi: 10.1016/j.ejmech.2018.05.007. PMID:29775936<ref>PMID:29775936</ref>
==See Also==
 
*[[Fatty acid-binding protein 3D structures|Fatty acid-binding protein 3D structures]]
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 5y0x" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Liu, Q F]]
[[Category: Homo sapiens]]
[[Category: Su, H X]]
[[Category: Large Structures]]
[[Category: Xu, Y C]]
[[Category: Liu QF]]
[[Category: Fabp4]]
[[Category: Su HX]]
[[Category: Inhibitor]]
[[Category: Xu YC]]
[[Category: Lipid binding protein]]

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