8jyv: Difference between revisions

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'''Unreleased structure'''


The entry 8jyv is ON HOLD  until Paper Publication
==Crystal structure of the gasdermin from Trichoplax adhaerens==
<StructureSection load='8jyv' size='340' side='right'caption='[[8jyv]], [[Resolution|resolution]] 1.86&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[8jyv]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Trichoplax_adhaerens Trichoplax adhaerens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8JYV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8JYV FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.86&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</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=8jyv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8jyv OCA], [https://pdbe.org/8jyv PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8jyv RCSB], [https://www.ebi.ac.uk/pdbsum/8jyv PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8jyv ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/B3RMM6_TRIAD B3RMM6_TRIAD]
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Gasdermins (GSDMs) are pore-forming proteins that execute pyroptosis for immune defense. GSDMs are two-domain proteins, activated by proteolytic removal of the inhibitory domain. Here we report two types of cleavage-independent GSDM activation. First, TrichoGSDM, a pore-forming-domain-only protein from the basal metazoan Trichoplax adhaerens, is a disulfides-linked autoinhibited dimer, activated by reduction of the disulfides. Cryo-electron microscopy (cryo-EM) structure illustrates assembly mechanism for the 44-mer TrichoGSDM pore. Second, RCD-1-1/RCD-1-2, encoded by polymorphic rcd-1 in filamentous fungus Neurospora crassa, are also pore-forming-domain-only GSDMs. RCD-1-1 and RCD-1-2, when encountering each other, form pores and cause pyroptosis, underlying allorecognition in Neurospora. Cryo-EM structure reveals a pore of 11 RCD-1-1/RCD-1-2 heterodimers and heterodimerization-triggered pore assembly mechanism. This study shows mechanistic diversities in GSDM activation and indicates versatile functions of GSDMs.


Authors:  
Cleavage-independent activation of ancient eukaryotic gasdermins and structural mechanisms.,Li Y, Hou Y, Sun Q, Zeng H, Meng F, Tian X, He Q, Shao F, Ding J Science. 2024 Apr 25:eadm9190. doi: 10.1126/science.adm9190. PMID:38662913<ref>PMID:38662913</ref>


Description:  
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
[[Category: Unreleased Structures]]
</div>
<div class="pdbe-citations 8jyv" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Trichoplax adhaerens]]
[[Category: Ding J]]
[[Category: Hou YJ]]
[[Category: Zeng H]]
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