1rwx

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[[Image:1rwx.png|left|200px]]
 
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{{STRUCTURE_1rwx| PDB=1rwx | SCENE= }}
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==Crystal structure of human caspase-1 in complex with 4-oxo-3-{6-[4-(quinoxalin-2-yloxy)-benzoylamino]-2-thiophen-2-yl-hexanoylamino}-butyric acid==
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<StructureSection load='1rwx' size='340' side='right'caption='[[1rwx]], [[Resolution|resolution]] 1.85&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1rwx]] 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=1RWX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RWX 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]] 1.85&#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=YBH:4-OXO-3-{6-[4-(QUINOXALIN-2-YLOXY)-BENZOYLAMINO]-2-THIOPHEN-2-YL-HEXANOYLAMINO}-BUTYRIC+ACID'>YBH</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=1rwx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rwx OCA], [https://pdbe.org/1rwx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rwx RCSB], [https://www.ebi.ac.uk/pdbsum/1rwx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rwx ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CASP1_HUMAN CASP1_HUMAN] Thiol protease that cleaves IL-1 beta between an Asp and an Ala, releasing the mature cytokine which is involved in a variety of inflammatory processes. Important for defense against pathogens. Cleaves and activates sterol regulatory element binding proteins (SREBPs). Can also promote apoptosis.<ref>PMID:7876192</ref> <ref>PMID:15498465</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/rw/1rwx_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=1rwx 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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Disulfide Tethering was applied to the active site of human caspase-1, resulting in the discovery of a novel, tricyclic molecular fragment that selectively binds in S4. This fragment was developed into a class of potent inhibitors of human caspase-1. Several key analogues determined the optimal distance of the tricycle from the catalytic residues, the relative importance of various features of the tricycle, and the importance of the linker.
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===Crystal structure of human caspase-1 in complex with 4-oxo-3-{6-[4-(quinoxalin-2-yloxy)-benzoylamino]-2-thiophen-2-yl-hexanoylamino}-butyric acid===
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Tethering identifies fragment that yields potent inhibitors of human caspase-1.,Fahr BT, O'Brien T, Pham P, Waal ND, Baskaran S, Raimundo BC, Lam JW, Sopko MM, Purkey HE, Romanowski MJ Bioorg Med Chem Lett. 2006 Feb;16(3):559-62. Epub 2005 Nov 4. PMID:16274992<ref>PMID:16274992</ref>
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{{ABSTRACT_PUBMED_16274992}}
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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 1rwx" style="background-color:#fffaf0;"></div>
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[[1rwx]] is a 2 chain structure of [[Caspase]] 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=1RWX OCA].
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==See Also==
==See Also==
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*[[Caspase|Caspase]]
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*[[Caspase 3D structures|Caspase 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:016274992</ref><references group="xtra"/>
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__TOC__
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[[Category: Caspase-1]]
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Brien, T O.]]
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[[Category: Large Structures]]
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[[Category: Fahr, B T.]]
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[[Category: Fahr BT]]
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[[Category: Romanowski, M J.]]
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[[Category: O'Brien T]]
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[[Category: Hydrolase]]
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[[Category: Romanowski MJ]]
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[[Category: Protein-small molecule inhibitor complex]]
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Current revision

Crystal structure of human caspase-1 in complex with 4-oxo-3-{6-[4-(quinoxalin-2-yloxy)-benzoylamino]-2-thiophen-2-yl-hexanoylamino}-butyric acid

PDB ID 1rwx

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