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==NMR SOLUTION STRUCTURE OF THE 5S RRNA E-LOOP/L25 COMPLEX==
==NMR SOLUTION STRUCTURE OF THE 5S RRNA E-LOOP/L25 COMPLEX==
<StructureSection load='1d6k' size='340' side='right'caption='[[1d6k]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
<StructureSection load='1d6k' size='340' side='right'caption='[[1d6k]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1d6k]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1D6K OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1D6K FirstGlance]. <br>
<table><tr><td colspan='2'>[[1d6k]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1D6K OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1D6K FirstGlance]. <br>
</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=1d6k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1d6k OCA], [https://pdbe.org/1d6k PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1d6k RCSB], [https://www.ebi.ac.uk/pdbsum/1d6k PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1d6k ProSAT]</span></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=1d6k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1d6k OCA], [https://pdbe.org/1d6k PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1d6k RCSB], [https://www.ebi.ac.uk/pdbsum/1d6k PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1d6k ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/RL25_ECOLI RL25_ECOLI]] This is one of the proteins that binds to the 5S RNA in the ribosome where it forms part of the central protuberance. Binds to the 5S rRNA independently of L5 and L18. Not required for binding of the 5S rRNA/L5/L18 subcomplex to 23S rRNA.[HAMAP-Rule:MF_01336]  
[https://www.uniprot.org/uniprot/RL25_ECOLI RL25_ECOLI] This is one of the proteins that binds to the 5S RNA in the ribosome where it forms part of the central protuberance. Binds to the 5S rRNA independently of L5 and L18. Not required for binding of the 5S rRNA/L5/L18 subcomplex to 23S rRNA.[HAMAP-Rule:MF_01336]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1d6k ConSurf].
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1d6k ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The structure of the complex between ribosomal protein L25 and a 37 nucleotide RNA molecule, which contains the E-loop and helix IV regions of the E-domain of Escherichia coli 5S rRNA, has been determined to an overall r.m.s. displacement of 1.08 A (backbone heavy atoms) by heteronuclear NMR spectroscopy (Protein Databank code 1d6k). The interacting molecular surfaces are bipartite for both the RNA and the protein. One side of the six-stranded beta-barrel of L25 recognizes the minor groove of the E-loop with very little change in the conformations of either the protein or the RNA and with the RNA-protein interactions occurring mainly along one strand of the E-loop duplex. This minor groove recognition module includes two parallel beta-strands of L25, a hitherto unknown RNA binding topology. Binding of the RNA also induces conversion of a flexible loop to an alpha-helix in L25, the N-terminal tip of which interacts with the widened major groove at the E-loop/helix IV junction of the RNA. The structure of the complex reveals that the E-domain RNA serves as a preformed docking partner, while the L25 protein has one preformed and one induced recognition module.
The NMR structure of the 5S rRNA E-domain-protein L25 complex shows preformed and induced recognition.,Stoldt M, Wohnert J, Ohlenschlager O, Gorlach M, Brown LR EMBO J. 1999 Nov 15;18(22):6508-21. PMID:10562563<ref>PMID:10562563</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1d6k" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Ribosomal protein L25|Ribosomal protein L25]]
*[[Ribosomal protein L25|Ribosomal protein L25]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Bacillus coli migula 1895]]
[[Category: Escherichia coli]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Brown, L R]]
[[Category: Brown LR]]
[[Category: Gorlach, M]]
[[Category: Gorlach M]]
[[Category: Ohlenschlager, O]]
[[Category: Ohlenschlager O]]
[[Category: Stoldt, M]]
[[Category: Stoldt M]]
[[Category: Wohnert, J]]
[[Category: Wohnert J]]
[[Category: Protein-rna complex]]
[[Category: Ribosome]]

Revision as of 15:46, 13 March 2024

NMR SOLUTION STRUCTURE OF THE 5S RRNA E-LOOP/L25 COMPLEX

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