9m79: Difference between revisions

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'''Unreleased structure'''


The entry 9m79 is ON HOLD  until Paper Publication
==Focused asymmetric unit of UCC118 Rool RNA at 1.96-angstrom resolution==
<StructureSection load='9m79' size='340' side='right'caption='[[9m79]], [[Resolution|resolution]] 1.96&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[9m79]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Ligilactobacillus_salivarius_UCC118 Ligilactobacillus salivarius UCC118]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9M79 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9M79 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 1.96&#8491;</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=9m79 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9m79 OCA], [https://pdbe.org/9m79 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9m79 RCSB], [https://www.ebi.ac.uk/pdbsum/9m79 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9m79 ProSAT]</span></td></tr>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
RNA-only complexes adopt intricate three-dimensional structures to fulfill diverse functions independently of protein partners. Although multimeric RNA-only structures have been engineered in synthetic RNA nanomaterials, naturally occurring RNA-only complexes have primarily been observed as monomers or dimers, leaving higher-order assemblies largely unexplored. ROOL (rumen-originating, ornate, large) and GOLLD (giant, ornate, lake- and Lactobacillales-derived) RNAs are conserved non-coding RNAs with complex secondary structures, but their high-resolution architectures remain unknown. Here, we determine the cryo-electron microscopy structures of UCC118-Rool RNA, Sag-Golld RNA and Env38-Golld RNA at 1.96-2.98 A resolution, revealing their distinct hexameric, decameric and tetradecameric assemblies. These higher-order architectures are stabilized by an array of tertiary motifs such as kissing loops and tetraloop-receptor motifs, underscoring the conserved principles of RNA self-assembly. By elucidating the molecular details of these higher-order RNA-only assemblies, this study expands our understanding of RNA-based architectures and broadens the scope of RNA structural biology.


Authors:  
Structural insights into higher-order natural RNA-only multimers.,Zhang S, Yi R, An L, Liu J, Yao X, Li S, Zhang K Nat Struct Mol Biol. 2025 Aug 6. doi: 10.1038/s41594-025-01650-1. PMID:40770114<ref>PMID:40770114</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 9m79" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Ligilactobacillus salivarius UCC118]]
[[Category: An L]]
[[Category: Li S]]
[[Category: Yi R]]
[[Category: Zhang K]]
[[Category: Zhang S]]
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