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==NMR structure of RNA duplex==
==NMR structure of RNA duplex==
<StructureSection load='2jxq' size='340' side='right' caption='[[2jxq]], [[NMR_Ensembles_of_Models | 10 NMR models]]' scene=''>
<StructureSection load='2jxq' size='340' side='right'caption='[[2jxq]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2jxq]] is a 2 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JXQ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2JXQ FirstGlance]. <br>
<table><tr><td colspan='2'>[[2jxq]] is a 2 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JXQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2JXQ FirstGlance]. <br>
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2jxq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2jxq OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2jxq RCSB], [http://www.ebi.ac.uk/pdbsum/2jxq PDBsum]</span></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=2jxq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2jxq OCA], [https://pdbe.org/2jxq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2jxq RCSB], [https://www.ebi.ac.uk/pdbsum/2jxq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2jxq ProSAT]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The RNA single bulge motif is an unpaired residue within a strand of several complementary base pairs. To gain insight into structural changes induced by the presence of the adenosine bulge on RNA duplex, the solution structures of RNA duplex containing a single adenine bulge (5'-GCAGAAGAGCG-3'/5'-CGCUCUCUGC-3') and a reference duplex with all Watson-Crick base pairs (5'-GCAGAGAGCG-3'/5'-CGCUCUCUGC-3') have been determined by NMR spectroscopy. The reference duplex structure is a regular right-handed helix with all of the attributes of an A-type helix. In the bulged duplex, single adenine bulge stacks into the helix, and the bulge region forms a well-defined structure. Both structures were analyzed by the use of calculated helical parameters. Distortions induced by the accommodation of unpaired residue into the helical structure propagate over the entire structure and are manifested as the reduced base pairs inclination and x-displacement. Intrahelical position of bulged adenine A5 is stabilized by efficient stacking with 5'-neighboring residues G4.
Bulged adenosine influence on the RNA duplex conformation in solution.,Popenda L, Adamiak RW, Gdaniec Z Biochemistry. 2008 May 6;47(18):5059-67. Epub 2008 Apr 10. PMID:18399645<ref>PMID:18399645</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Adamiak, R W]]
[[Category: Large Structures]]
[[Category: Gdaniec, Z]]
[[Category: Adamiak RW]]
[[Category: Popenda, L]]
[[Category: Gdaniec Z]]
[[Category: A-type]]
[[Category: Popenda L]]
[[Category: Duplex]]
[[Category: Rna]]

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NMR structure of RNA duplex

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