2fey

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[[Image:2fey.png|left|200px]]
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==The structure of stem loop IV of Tetrahymena telomerase RNA==
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<StructureSection load='2fey' size='340' side='right' caption='[[2fey]], [[NMR_Ensembles_of_Models | 10 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2fey]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FEY OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2FEY FirstGlance]. <br>
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</td></tr><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=2fey FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2fey OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2fey RCSB], [http://www.ebi.ac.uk/pdbsum/2fey PDBsum]</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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Conserved domains within the RNA component of telomerase provide the template for reverse transcription, recruit protein components to the holoenzyme and are required for enzymatic activity. Among the functionally essential domains in ciliate telomerase RNA is stem-loop IV, which strongly stimulates telomerase activity and processivity even when provided in trans. The NMR structure of Tetrahymena thermophila stem-loop IV shows a highly structured distal stem-loop linked to a conformationally flexible template-proximal region by a bulge that severely kinks the entire RNA. Through extensive structure-function studies, we identify residues that contribute to both these structural features and to enzymatic activity, with no apparent effect on the binding of TERT protein. We propose that the bending induced by the GA bulge and the flexibility of the template-proximal region allow positioning of the prestructured apical loop during the catalytic cycle.
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{{STRUCTURE_2fey| PDB=2fey | SCENE= }}
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Structure of stem-loop IV of Tetrahymena telomerase RNA.,Chen Y, Fender J, Legassie JD, Jarstfer MB, Bryan TM, Varani G EMBO J. 2006 Jul 12;25(13):3156-66. Epub 2006 Jun 15. PMID:16778765<ref>PMID:16778765</ref>
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===The structure of stem loop IV of Tetrahymena telomerase RNA===
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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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{{ABSTRACT_PUBMED_16778765}}
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==About this Structure==
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[[2fey]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FEY OCA].
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==See Also==
==See Also==
*[[Telomerase|Telomerase]]
*[[Telomerase|Telomerase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:016778765</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Bryan, T M.]]
[[Category: Bryan, T M.]]
[[Category: Chen, Y.]]
[[Category: Chen, Y.]]

Revision as of 05:17, 29 September 2014

The structure of stem loop IV of Tetrahymena telomerase RNA

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