8spb

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'''Unreleased structure'''
 
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The entry 8spb is ON HOLD
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==Caspase-4/Pro-IL-18 complex==
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<StructureSection load='8spb' size='340' side='right'caption='[[8spb]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
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Authors:
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== Structural highlights ==
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<table><tr><td colspan='2'>[[8spb]] is a 6 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=8SPB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8SPB FirstGlance]. <br>
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Description:
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.2&#8491;</td></tr>
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[[Category: Unreleased Structures]]
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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=8spb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8spb OCA], [https://pdbe.org/8spb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8spb RCSB], [https://www.ebi.ac.uk/pdbsum/8spb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8spb ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CASP4_HUMAN CASP4_HUMAN] Inflammatory caspase (PubMed:7797510, PubMed:23516580, PubMed:25119034). Essential effector of NLRP3 inflammasome-dependent CASP1 activation and IL1B and IL18 secretion in response to non-canonical activators, such as UVB radiation, cholera enterotoxin subunit B and cytosolic LPS (PubMed:22246630, PubMed:26174085, PubMed:26173988, PubMed:26508369, PubMed:25964352). Independently of NLRP3 inflammasome and CASP1, promotes pyroptosis, through GSDMD cleavage and activation, and IL1A, IL18 and HMGB1 release in response to non-canonical inflammasome activators (PubMed:24879791, PubMed:25964352). Plays a crucial role in the restriction of Salmonella typhimurium replication in colonic epithelial cells during infection (PubMed:25121752). In later stages of the infection, LPS from cytosolic Salmonella triggers CASP4 activation, which ultimately results in pyroptosis of infected cells and their extrusion into the gut lumen, as well as in IL18 secretion. Pyroptosis limits bacterial replication, while cytokine secretion promotes the recruitment and activation of immune cells and triggers mucosal inflammation. Involved in LPS-induced IL6 secretion; this activity may not require caspase enzymatic activity (PubMed:26508369). Involved in cell death induced by endoplasmic reticulum stress and by treatment with cytotoxic APP peptides found Alzheimer's patient brains (PubMed:15123740, PubMed:22246630, PubMed:23661706). Activated by direct binding to LPS without the need of an upstream sensor (PubMed:25119034). Does not directly process IL1B (PubMed:7743998, PubMed:7797592, PubMed:7797510). During non-canonical inflammasome activation, cuts CGAS and may play a role in the regulation of antiviral innate immune activation (PubMed:28314590).<ref>PMID:15123740</ref> <ref>PMID:22246630</ref> <ref>PMID:23516580</ref> <ref>PMID:23661706</ref> <ref>PMID:24879791</ref> <ref>PMID:25119034</ref> <ref>PMID:25121752</ref> <ref>PMID:25964352</ref> <ref>PMID:26173988</ref> <ref>PMID:26174085</ref> <ref>PMID:26508369</ref> <ref>PMID:28314590</ref> <ref>PMID:7743998</ref> <ref>PMID:7797510</ref> <ref>PMID:7797592</ref>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Homo sapiens]]
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[[Category: Large Structures]]
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[[Category: Dong Y]]
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[[Category: Jon K]]
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[[Category: Pascal D]]
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[[Category: Wu H]]

Current revision

Caspase-4/Pro-IL-18 complex

PDB ID 8spb

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OCA

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