3lxe

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[[Image:3lxe.png|left|200px]]
 
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{{STRUCTURE_3lxe| PDB=3lxe | SCENE= }}
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==Human Carbonic Anhydrase I in complex with topiramate==
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<StructureSection load='3lxe' size='340' side='right'caption='[[3lxe]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3lxe]] 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=3LXE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3LXE 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]] 1.9&#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=TOR:[(3AS,5AR,8AR,8BS)-2,2,7,7-TETRAMETHYLTETRAHYDRO-3AH-BIS[1,3]DIOXOLO[4,5-B 4,5-D]PYRAN-3A-YL]METHYL+SULFAMATE'>TOR</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</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=3lxe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3lxe OCA], [https://pdbe.org/3lxe PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3lxe RCSB], [https://www.ebi.ac.uk/pdbsum/3lxe PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3lxe ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CAH1_HUMAN CAH1_HUMAN] Reversible hydration of carbon dioxide. Can hydrates cyanamide to urea.<ref>PMID:10550681</ref>
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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/lx/3lxe_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=3lxe 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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Topiramate is a widely used antiepileptic drug, which has been demonstrated to act as an efficient weight loss agent. Since several studies have pointed out that is a potent in vitro inhibitor of several Carbonic anhydrase (CA) isozymes, it has been hypothesized that its anti-obesity properties could be ascribed to the inhibition of the CAs involved in de novo lipogenesis. Consequently, the study of the interactions of with all human CA isoforms represents an important step for the rational drug design of selective CA inhibitors to be used as anti-obesity drugs. In this paper we report the crystallographic structure of the adduct that forms with hCA I, showing for the first time a profound reorganization of the CA active site upon binding of the inhibitor. Moreover, a structural comparison with hCA II- and hCA VA- adducts, previously investigated, has been performed showing that a different H-bond network together with the movement of some amino acid residues in the active site may account for the different inhibition constants of toward these three CA isozymes.
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===Human Carbonic Anhydrase I in complex with topiramate===
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The first example of a significant active site conformational rearrangement in a carbonic anhydrase-inhibitor adduct: the carbonic anhydrase I-topiramate complex.,Alterio V, Monti SM, Truppo E, Pedone C, Supuran CT, De Simone G Org Biomol Chem. 2010 Aug 7;8(15):3528-33. Epub 2010 May 27. PMID:20505865<ref>PMID:20505865</ref>
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{{ABSTRACT_PUBMED_20505865}}
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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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==About this Structure==
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<div class="pdbe-citations 3lxe" style="background-color:#fffaf0;"></div>
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[[3lxe]] is a 2 chain structure of [[Carbonic anhydrase]] with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LXE OCA].
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==See Also==
==See Also==
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*[[Carbonic anhydrase|Carbonic anhydrase]]
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*[[Carbonic anhydrase 3D structures|Carbonic anhydrase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:020505865</ref><references group="xtra"/>
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__TOC__
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[[Category: Carbonate dehydratase]]
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Alterio, V.]]
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[[Category: Large Structures]]
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[[Category: Monti, S M.]]
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[[Category: Alterio V]]
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[[Category: Simone, G De.]]
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[[Category: De Simone G]]
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[[Category: Truppo, E.]]
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[[Category: Monti SM]]
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[[Category: Carbonic anhydrase 1]]
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[[Category: Truppo E]]
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[[Category: Enzyme-inhibitor complex]]
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[[Category: Lyase]]
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[[Category: Topiramate]]
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Current revision

Human Carbonic Anhydrase I in complex with topiramate

PDB ID 3lxe

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