3trz

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(New page: '''Unreleased structure''' The entry 3trz is ON HOLD Authors: Nam, Y., Sliz, P. Description: RNA1)
Current revision (10:10, 1 March 2024) (edit) (undo)
 
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'''Unreleased structure'''
 
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The entry 3trz is ON HOLD
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==Mouse Lin28A in complex with let-7d microRNA pre-element==
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<StructureSection load='3trz' size='340' side='right'caption='[[3trz]], [[Resolution|resolution]] 2.90&Aring;' scene=''>
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Authors: Nam, Y., Sliz, P.
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3trz]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3TRZ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3TRZ FirstGlance]. <br>
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Description: RNA1
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.9&#8491;</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=GMP:GUANOSINE'>GMP</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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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=3trz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3trz OCA], [https://pdbe.org/3trz PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3trz RCSB], [https://www.ebi.ac.uk/pdbsum/3trz PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3trz ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/LN28A_MOUSE LN28A_MOUSE] Acts as a 'translational enhancer', driving specific mRNAs to polysomes and thus increasing the efficiency of protein synthesis. Its association with the translational machinery and target mRNAs results in an increased number of initiation events per molecule of mRNA and, indirectly, in stabilizing the mRNAs. Binds IGF2 mRNA, MYOD1 mRNA, ARBP/36B4 ribosomal protein mRNA and its own mRNA. Essential for skeletal muscle differentiation program through the translational up-regulation of IGF2 expression. Acts as a suppressor of microRNA (miRNA) biogenesis by specifically binding the precursor let-7 (pre-let-7), a miRNA precursor. Acts by binding pre-let-7 and recruiting ZCCHC11/TUT4 uridylyltransferase, leading to the terminal uridylation of pre-let-7. Uridylated pre-let-7 miRNAs fail to be processed by Dicer and undergo degradation. Degradation of pre-let-7 in embryonic stem (ES) cells contributes to the maintenance of ES cells. In contrast, Lin28a down-regulation in neural stem cells by miR-125, allows the processing of pre-let-7. Specifically recognizes the 5'-GGAG-3' motif in the terminal loop of pre-let-7. Also recognizes and binds non pre-let-7 pre-miRNAs that contain the 5'-GGAG-3' motif in the terminal loop, leading to their terminal uridylation and subsequent degradation.<ref>PMID:17473174</ref> <ref>PMID:18604195</ref> <ref>PMID:18566191</ref> <ref>PMID:18292307</ref>
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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: Mus musculus]]
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[[Category: Nam Y]]
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[[Category: Sliz P]]

Current revision

Mouse Lin28A in complex with let-7d microRNA pre-element

PDB ID 3trz

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