7exy

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'''Unreleased structure'''
 
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The entry 7exy is ON HOLD until May 29 2023
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==T-hairpin structure found in the RNA element involved in the piRNA biogenesis==
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<StructureSection load='7exy' size='340' side='right'caption='[[7exy]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[7exy]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7EXY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7EXY FirstGlance]. <br>
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</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=7exy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7exy OCA], [https://pdbe.org/7exy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7exy RCSB], [https://www.ebi.ac.uk/pdbsum/7exy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7exy 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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PIWI-interacting RNAs (piRNAs) repress transposons to protect the germline genome from DNA damage caused by transposon transposition. In Drosophila, the Traffic jam (Tj) mRNA is consumed to produce piRNA in its 3' UTR. A cis element located within the 3'-UTR, Tj-cis, is necessary for piRNA biogenesis. In this study, we analyzed the structure of the Tj-cis RNA, a 100 nt RNA corresponding to the Tj-cis element, by the SHAPE and NMR analyses and found that a stable hairpin structure formed in the 5' half of the Tj-cis RNA. The tertiary structure of the 16 nt stable hairpin was analyzed by NMR, and a novel stem-loop structure, the T-hairpin, was found. In the T-hairpin, four uridine residues are exposed to the solvent, suggesting that this stem loop is the target of Yb protein, a Tudor domain-containing piRNA biogenesis factor. The piRNA biogenesis assay showed that both the T-hairpin and the 3' half are required for the function of the Tj-cis element, suggesting that both the T-hairpin and the 3' half are recognized by Yb protein.
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Authors: Takase, N., Kawai, G.
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T-hairpin structure found in the RNA element involved in piRNA biogenesis.,Takase N, Otsu M, Hirakata S, Ishizu H, Siomi MC, Kawai G RNA. 2022 Jan 5. pii: rna.078967.121. doi: 10.1261/rna.078967.121. PMID:34987083<ref>PMID:34987083</ref>
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Description: T-hairpin structure found in the RNA element involved in the piRNA biogenesis
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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[[Category: Kawai, G]]
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<div class="pdbe-citations 7exy" style="background-color:#fffaf0;"></div>
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[[Category: Takase, N]]
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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: Drosophila melanogaster]]
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[[Category: Large Structures]]
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[[Category: Kawai G]]
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[[Category: Takase N]]

Current revision

T-hairpin structure found in the RNA element involved in the piRNA biogenesis

PDB ID 7exy

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