2l1v

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{{Seed}}
 
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[[Image:2l1v.jpg|left|200px]]
 
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==Solution structure of a preQ1 riboswitch (Class I) aptamer bound to preQ1==
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The line below this paragraph, containing "STRUCTURE_2l1v", creates the "Structure Box" on the page.
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<StructureSection load='2l1v' size='340' side='right'caption='[[2l1v]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2l1v]] is a 1 chain structure. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2kfc 2kfc]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2L1V OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2L1V FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=PRF:7-DEAZA-7-AMINOMETHYL-GUANINE'>PRF</scene></td></tr>
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{{STRUCTURE_2l1v| PDB=2l1v | SCENE= }}
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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=2l1v FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2l1v OCA], [https://pdbe.org/2l1v PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2l1v RCSB], [https://www.ebi.ac.uk/pdbsum/2l1v PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2l1v ProSAT]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The modified nucleotide queuosine (Q) is almost universally found in the anticodon wobble position of specific tRNAs. In many bacteria, biosynthesis of Q is modulated by a class of regulatory mRNA elements called riboswitches. The preQ(1) riboswitch, found in the 5'UTR of bacterial genes involved in synthesis of the Q precursors preQ(0) and preQ(1), contains the smallest known aptamer domain. We report the solution structure of the preQ(1) riboswitch aptamer domain from Bacillus subtilis bound to preQ(1), which is a unique compact pseudoknot with three loops and two stems that encapsulates preQ(1) at the junction between the two stems. The pseudoknot only forms in the presence of preQ(1), and the 3' A-rich tail of the aptamer domain is an integral part of the pseudoknot. In the absence of preQ(1), the A-rich tail forms part of the antiterminator. These structural studies provide insight into riboswitch transcriptional control of preQ(1) biosynthesis.
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===Solution structure of a preQ1 riboswitch (Class I) aptamer bound to preQ1===
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Structural Insights into riboswitch control of the biosynthesis of queuosine, a modified nucleotide found in the anticodon of tRNA.,Kang M, Peterson R, Feigon J Mol Cell. 2009 Mar 27;33(6):784-90. Epub 2009 Mar 12. PMID:19285444<ref>PMID:19285444</ref>
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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 2l1v" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_19285444}}, adds the Publication Abstract to the page
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*[[Riboswitch 3D structures|Riboswitch 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 19285444 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_19285444}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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2L1V is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2L1V OCA].
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[[Category: Feigon J]]
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[[Category: Kang M]]
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==Reference==
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[[Category: Zhang Q]]
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<ref group="xtra">PMID:19285444</ref><references group="xtra"/>
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[[Category: Feigon, J.]]
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[[Category: Kang, M.]]
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[[Category: Zhang, Q.]]
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[[Category: Aptamer]]
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[[Category: Preq1]]
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[[Category: Pseudoknot]]
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[[Category: Riboswitch]]
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[[Category: Rna]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Sep 1 09:44:05 2010''
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Current revision

Solution structure of a preQ1 riboswitch (Class I) aptamer bound to preQ1

PDB ID 2l1v

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