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==DOUBLE STRANDED RNA BINDING DOMAIN==
==DOUBLE STRANDED RNA BINDING DOMAIN==
<StructureSection load='1stu' size='340' side='right'caption='[[1stu]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
<StructureSection load='1stu' size='340' side='right'caption='[[1stu]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1stu]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Drome Drome]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1STU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1STU FirstGlance]. <br>
<table><tr><td colspan='2'>[[1stu]] 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=1STU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1STU FirstGlance]. <br>
</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">DOUBLE STRANDED RNA BINDING DO ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=7227 DROME])</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=1stu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1stu OCA], [https://pdbe.org/1stu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1stu RCSB], [https://www.ebi.ac.uk/pdbsum/1stu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1stu ProSAT]</span></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=1stu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1stu OCA], [https://pdbe.org/1stu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1stu RCSB], [https://www.ebi.ac.uk/pdbsum/1stu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1stu ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/STAU_DROME STAU_DROME]] Required both for the localization of maternal determinants to the posterior pole of the egg, oskar (osk) RNA, and for correct localization to the anterior pole, anchoring bicoid (bcd) RNA. Osk protein is required to keep osk RNA and stau protein at the posterior pole. Stau-bcd complexes form particles that show a microtubule-dependent localization.<ref>PMID:1712672</ref> <ref>PMID:8001156</ref> <ref>PMID:10698941</ref>
[https://www.uniprot.org/uniprot/STAU_DROME STAU_DROME] Required both for the localization of maternal determinants to the posterior pole of the egg, oskar (osk) RNA, and for correct localization to the anterior pole, anchoring bicoid (bcd) RNA. Osk protein is required to keep osk RNA and stau protein at the posterior pole. Stau-bcd complexes form particles that show a microtubule-dependent localization.<ref>PMID:1712672</ref> <ref>PMID:8001156</ref> <ref>PMID:10698941</ref>  
== 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=1stu 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=1stu ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The double-stranded RNA binding domain (dsRBD) is an approximately 65 amino acid motif that is found in a variety of proteins that interact with double-stranded (ds) RNA, such as Escherichia coli RNase III and the dsRNA-dependent kinase, PKR. Drosophila staufen protein contains five copies of this motif, and the third of these binds dsRNA in vitro. Using multinuclear/multidimensional NMR methods, we have determined that staufen dsRBD3 forms a compact protein domain with an alpha-beta-beta-beta-alpha structure in which the two alpha-helices lie on one face of a three-stranded anti-parallel beta-sheet. This structure is very similar to that of the N-terminal domain of a prokaryotic ribosomal protein S5. Furthermore, the consensus derived from all known S5p family sequences shares several conserved residues with the dsRBD consensus sequence, indicating that the two domains share a common evolutionary origin. Using in vitro mutagenesis, we have identified several surface residues which are important for the RNA binding of the dsRBD, and these all lie on the same side of the domain. Two residues that are essential for RNA binding, F32 and K50, are also conserved in the S5 protein family, suggesting that the two domains interact with RNA in a similar way.
NMR solution structure of a dsRNA binding domain from Drosophila staufen protein reveals homology to the N-terminal domain of ribosomal protein S5.,Bycroft M, Grunert S, Murzin AG, Proctor M, St Johnston D EMBO J. 1995 Jul 17;14(14):3563-71. PMID:7628456<ref>PMID:7628456</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1stu" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Drome]]
[[Category: Drosophila melanogaster]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Bycroft, M]]
[[Category: Bycroft M]]
[[Category: Double stranded rna binding domain]]
[[Category: Staufen]]

Revision as of 08:35, 1 May 2024

DOUBLE STRANDED RNA BINDING DOMAIN

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