1rau

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[[Image:1rau.gif|left|200px]]
 
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{{Structure
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==SOLUTION STRUCTURE OF AN UNUSUALLY STABLE RNA TETRAPLEX CONTAINING G-AND U-QUARTET STRUCTURES==
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|PDB= 1rau |SIZE=350|CAPTION= <scene name='initialview01'>1rau</scene>
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<StructureSection load='1rau' size='340' side='right'caption='[[1rau]]' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=G:GUANOSINE-5&#39;-MONOPHOSPHATE'>G</scene>, <scene name='pdbligand=U:URIDINE-5&#39;-MONOPHOSPHATE'>U</scene>
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<table><tr><td colspan='2'>[[1rau]] is a 4 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RAU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RAU FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
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|GENE=
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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=1rau FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rau OCA], [https://pdbe.org/1rau PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rau RCSB], [https://www.ebi.ac.uk/pdbsum/1rau PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rau ProSAT]</span></td></tr>
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|DOMAIN=
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</table>
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|RELATEDENTRY=
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<div style="background-color:#fffaf0;">
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1rau FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rau OCA], [http://www.ebi.ac.uk/pdbsum/1rau PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1rau RCSB]</span>
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== Publication Abstract from PubMed ==
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}}
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'''SOLUTION STRUCTURE OF AN UNUSUALLY STABLE RNA TETRAPLEX CONTAINING G-AND U-QUARTET STRUCTURES'''
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==Overview==
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A model for the solution structure of an RNA tetraplex, (rUGGGGU)4, has been obtained by two-dimensional NMR spectroscopy and molecular dynamics. The molecule is parallel stranded and Hoogsteen base-paired in 50 mM KCl, and it is so stable that three of its six imino protons have exchange half-lives measured in days at 40 degrees C. The tetraplex is stabilized by base stacking and by the hydrogen bonds in four G quartets and at least one U quartet. This is the first indication of the existence of U-quartet structures of which we are aware.
A model for the solution structure of an RNA tetraplex, (rUGGGGU)4, has been obtained by two-dimensional NMR spectroscopy and molecular dynamics. The molecule is parallel stranded and Hoogsteen base-paired in 50 mM KCl, and it is so stable that three of its six imino protons have exchange half-lives measured in days at 40 degrees C. The tetraplex is stabilized by base stacking and by the hydrogen bonds in four G quartets and at least one U quartet. This is the first indication of the existence of U-quartet structures of which we are aware.
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==About this Structure==
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Solution structure of an unusually stable RNA tetraplex containing G- and U-quartet structures.,Cheong C, Moore PB Biochemistry. 1992 Sep 15;31(36):8406-14. PMID:1382577<ref>PMID:1382577</ref>
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1RAU is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RAU OCA].
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==Reference==
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Solution structure of an unusually stable RNA tetraplex containing G- and U-quartet structures., Cheong C, Moore PB, Biochemistry. 1992 Sep 15;31(36):8406-14. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/1382577 1382577]
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[[Category: Protein complex]]
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[[Category: Cheong, C.]]
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[[Category: Moore, P B.]]
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[[Category: nmr]]
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[[Category: rna]]
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[[Category: tetraplex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:25:33 2008''
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 1rau" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
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[[Category: Cheong C]]
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[[Category: Moore PB]]

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SOLUTION STRUCTURE OF AN UNUSUALLY STABLE RNA TETRAPLEX CONTAINING G-AND U-QUARTET STRUCTURES

PDB ID 1rau

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