1xly

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(New page: 200px<br /><applet load="1xly" size="450" color="white" frame="true" align="right" spinBox="true" caption="1xly, resolution 1.95&Aring;" /> '''X-RAY STRUCTURE OF T...)
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[[Image:1xly.gif|left|200px]]<br /><applet load="1xly" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="1xly, resolution 1.95&Aring;" />
 
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'''X-RAY STRUCTURE OF THE RNA-BINDING PROTEIN SHE2p'''<br />
 
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==Overview==
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==X-RAY STRUCTURE OF THE RNA-BINDING PROTEIN SHE2p==
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Selective transport of mRNAs in ribonucleoprotein particles (mRNP) ensures, asymmetric distribution of information within and among eukaryotic cells., Actin-dependent transport of ASH1 mRNA in yeast represents one of the, best-characterized examples of mRNP translocation. Formation of the ASH1, mRNP requires recognition of zip code elements by the RNA binding protein, She2p. We determined the X-ray structure of She2p at 1.95 A resolution., She2p is a member of a previously unknown class of nucleic acid binding, proteins, composed of a single globular domain with a five alpha helix, bundle that forms a symmetric homodimer. After demonstrating potent, dimer-dependent RNA binding in vitro, we mapped the RNA binding surface of, She2p to a basic helical hairpin in vitro and in vivo and present a, mechanism for mRNA-dependent initiation of ASH1 mRNP complex assembly.
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<StructureSection load='1xly' size='340' side='right'caption='[[1xly]], [[Resolution|resolution]] 1.95&Aring;' scene=''>
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== Structural highlights ==
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==About this Structure==
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<table><tr><td colspan='2'>[[1xly]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XLY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1XLY FirstGlance]. <br>
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1XLY is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1XLY OCA].
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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]] 1.95&#8491;</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=1xly FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1xly OCA], [https://pdbe.org/1xly PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1xly RCSB], [https://www.ebi.ac.uk/pdbsum/1xly PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1xly ProSAT]</span></td></tr>
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==Reference==
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</table>
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She2p is a novel RNA binding protein with a basic helical hairpin motif., Niessing D, Huttelmaier S, Zenklusen D, Singer RH, Burley SK, Cell. 2004 Nov 12;119(4):491-502. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=15537539 15537539]
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== Function ==
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[https://www.uniprot.org/uniprot/SHE2_YEAST SHE2_YEAST] RNA-binding protein that binds specific mRNAs including the ASH1 mRNA, coding for a repressor of the HO endonuclease. Part of the mRNA localization machinery that restricts accumulation of certain proteins to the bud and in the daughter cell. Recruits the MYO4-SHE3 complex to the ASH1 mRNA. Recruites also LOC1 and PUF6 to ASH1 mRNA, which are required for translational repression of this mRNA.<ref>PMID:10212145</ref> <ref>PMID:10359695</ref> <ref>PMID:11032818</ref> <ref>PMID:11101531</ref> <ref>PMID:12499354</ref> <ref>PMID:13679573</ref> <ref>PMID:14561888</ref> <ref>PMID:14691136</ref> <ref>PMID:15328357</ref> <ref>PMID:15537539</ref> <ref>PMID:15899876</ref> <ref>PMID:16890529</ref> <ref>PMID:18566598</ref> <ref>PMID:19244342</ref> <ref>PMID:20713510</ref> <ref>PMID:9809065</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/xl/1xly_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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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=1xly ConSurf].
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<div style="clear:both"></div>
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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]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Single protein]]
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[[Category: Burley SK]]
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[[Category: Burley, S.K.]]
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[[Category: Huettelmaier S]]
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[[Category: Huettelmaier, S.]]
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[[Category: Niessing D]]
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[[Category: Niessing, D.]]
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[[Category: Singer RH]]
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[[Category: Singer, R.H.]]
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[[Category: Zenklusen D]]
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[[Category: Zenklusen, D.]]
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[[Category: basic helical hairpin]]
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[[Category: dimer]]
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[[Category: five helix bundle]]
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[[Category: rna-binding protein]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Wed Nov 21 06:09:59 2007''
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Current revision

X-RAY STRUCTURE OF THE RNA-BINDING PROTEIN SHE2p

PDB ID 1xly

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