9sye: Difference between revisions

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'''Unreleased structure'''


The entry 9sye is ON HOLD
==Beyond single-state RNA structural biology: MD/NMR description of temperature-sensitive dynamic RNA ensembles - GCAA ARIA 2+2 motif==
<StructureSection load='9sye' size='340' side='right'caption='[[9sye]]' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[9sye]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Synthetic_RNA Synthetic RNA]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9SYE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9SYE FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR,  models</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=9sye FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9sye OCA], [https://pdbe.org/9sye PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9sye RCSB], [https://www.ebi.ac.uk/pdbsum/9sye PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9sye ProSAT]</span></td></tr>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
While the GNRA tetraloops are an extensively studied and common RNA motif, their dynamic NMR structures in solution integrating state-of-the-art NMR parameters such as residual dipolar couplings (RDC) and cross correlated relaxation rates (CCR) have previously not been determined. Given their dominant occurrence among tetraloops in the PDB and the advance of experimentally reweighted MD simulations, the present work aims at investigating the entire conformational space of two known GNRA tetraloops sequences by an extensive NMR investigation of NOEs, J-couplings constants, RDCs and CCRs. As classical structure calculation proved insufficient for the more dynamic tetraloop we turned to Bayesian/maximum entropy reweighting of molecular simulations using our rich set of experiments. The resulting ensembles were clustered and compared to classically restrained structure calculations, structures from the PDB and models predicted by the prediction algorithms FarFar and Alphafold 3. Our results show that GNRA tetraloops can vary in dynamic sampling of conformational space. They highlight the importance of individual experimental validation of computationally obtained dynamic ensembles and model predictions.


Authors: Leopold, D., Oxenfarth, A., Thomasen, F.E., Kuemmerer, F., Schnieders, R., Pinter, G., Wacker, A., Jonker, H.R.A., Fuertig, B., Richter, C., Lindorff-Larson, K., Schwalbe, H.
Integrated NMR/MD investigation reveals differences after reweighting in conformational ensembles of GAAG and GCAA tetraloops.,Leopold D, Oxenfarth A, Thomasen FE, Kummerer F, Schnieders R, Pinter G, Wacker A, Jonker HRA, Furtig B, Richter C, Lindorff-Larsen K, Schwalbe H RNA. 2026 May 29:rna.081067.126. doi: 10.1261/rna.081067.126. PMID:42215280<ref>PMID:42215280</ref>


Description: Beyond single-state RNA structural biology: MD/NMR description of temperature-sensitive dynamic RNA ensembles -GCAA ARIA 2+2 motif
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
[[Category: Unreleased Structures]]
</div>
[[Category: Wacker, A]]
<div class="pdbe-citations 9sye" style="background-color:#fffaf0;"></div>
[[Category: Schnieders, R]]
== References ==
[[Category: Oxenfarth, A]]
<references/>
[[Category: Leopold, D]]
__TOC__
[[Category: Lindorff-Larson, K]]
</StructureSection>
[[Category: Richter, C]]
[[Category: Large Structures]]
[[Category: Pinter, G]]
[[Category: Synthetic RNA]]
[[Category: Thomasen, F.E]]
[[Category: Fuertig B]]
[[Category: Jonker, H.R.A]]
[[Category: Jonker HRA]]
[[Category: Schwalbe, H]]
[[Category: Kuemmerer F]]
[[Category: Kuemmerer, F]]
[[Category: Leopold D]]
[[Category: Fuertig, B]]
[[Category: Lindorff-Larsen K]]
[[Category: Oxenfarth A]]
[[Category: Pinter G]]
[[Category: Richter C]]
[[Category: Schnieders R]]
[[Category: Schwalbe H]]
[[Category: Thomasen FE]]
[[Category: Wacker A]]
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