2l8f

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<StructureSection load='2l8f' size='340' side='right' caption='[[2l8f]], [[NMR_Ensembles_of_Models | 10 NMR models]]' scene=''>
<StructureSection load='2l8f' size='340' side='right' caption='[[2l8f]], [[NMR_Ensembles_of_Models | 10 NMR models]]' scene=''>
== Structural highlights ==
== Structural highlights ==
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[[2l8f]] is a 2 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2L8F OCA]. <br>
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<table><tr><td colspan='2'>[[2l8f]] is a 2 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2L8F OCA]. <br>
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<b>Activity:</b> <span class='plainlinks'>[http://en.wikipedia.org/wiki/Glucokinase Glucokinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.2 2.7.1.2] </span><br>
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</td></tr><tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glucokinase Glucokinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.2 2.7.1.2] </span></td></tr>
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<b>Resources:</b> <span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2l8f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2l8f OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2l8f RCSB], [http://www.ebi.ac.uk/pdbsum/2l8f PDBsum]</span><br>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2l8f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2l8f OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2l8f RCSB], [http://www.ebi.ac.uk/pdbsum/2l8f PDBsum]</span></td></tr>
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<table>
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<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
The NMR solution structure is reported of a duplex, 5'GUGAAGCCCGU/3'UCACAGGAGGC, containing a 4 x 4 nucleotide internal loop from an R2 retrotransposon RNA. The loop contains three sheared purine-purine pairs and reveals a structural element found in other RNAs, which we refer to as the 3RRs motif. Optical melting measurements of the thermodynamics of the duplex indicate that the internal loop is 1.6 kcal/mol more stable at 37 degrees C than predicted. The results identify the 3RRs motif as a common structural element that can facilitate prediction of 3D structure. Known examples include internal loops having the pairings: 5'GAA/3'AGG, 5'GAG/3'AGG, 5'GAA/3'AAG, and 5'AAG/3'AGG. The structural information is compared with predictions made with the MC-Sym program.
The NMR solution structure is reported of a duplex, 5'GUGAAGCCCGU/3'UCACAGGAGGC, containing a 4 x 4 nucleotide internal loop from an R2 retrotransposon RNA. The loop contains three sheared purine-purine pairs and reveals a structural element found in other RNAs, which we refer to as the 3RRs motif. Optical melting measurements of the thermodynamics of the duplex indicate that the internal loop is 1.6 kcal/mol more stable at 37 degrees C than predicted. The results identify the 3RRs motif as a common structural element that can facilitate prediction of 3D structure. Known examples include internal loops having the pairings: 5'GAA/3'AGG, 5'GAG/3'AGG, 5'GAA/3'AAG, and 5'AAG/3'AGG. The structural information is compared with predictions made with the MC-Sym program.
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
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</div>
== References ==
== References ==
<references/>
<references/>

Revision as of 09:44, 1 May 2014

Structure of a 4X4 Nucleotide RNA Internal Loop from an R2 Retrotransposon

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