6nry

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==Crystal structure of human caspase-4==
==Crystal structure of human caspase-4==
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<StructureSection load='6nry' size='340' side='right'caption='[[6nry]]' scene=''>
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<StructureSection load='6nry' size='340' side='right'caption='[[6nry]], [[Resolution|resolution]] 2.18&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6NRY OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6NRY FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6nry]] 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=6NRY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6NRY FirstGlance]. <br>
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</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6nry FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nry OCA], [http://pdbe.org/6nry PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6nry RCSB], [http://www.ebi.ac.uk/pdbsum/6nry PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6nry ProSAT]</span></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]] 2.184&#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=GOL:GLYCEROL'>GOL</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=6nry FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nry OCA], [https://pdbe.org/6nry PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6nry RCSB], [https://www.ebi.ac.uk/pdbsum/6nry PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6nry ProSAT]</span></td></tr>
</table>
</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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==See Also==
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*[[Caspase 3D structures|Caspase 3D structures]]
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== References ==
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<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Liu Z]]
[[Category: Liu Z]]

Current revision

Crystal structure of human caspase-4

PDB ID 6nry

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