1sjr

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{{Seed}}
 
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[[Image:1sjr.png|left|200px]]
 
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==NMR Structure of RRM2 from Human Polypyrimidine Tract Binding Protein Isoform 1 (PTB1)==
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The line below this paragraph, containing "STRUCTURE_1sjr", creates the "Structure Box" on the page.
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<StructureSection load='1sjr' size='340' side='right'caption='[[1sjr]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1sjr]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SJR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SJR FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=1sjr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sjr OCA], [https://pdbe.org/1sjr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1sjr RCSB], [https://www.ebi.ac.uk/pdbsum/1sjr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1sjr ProSAT]</span></td></tr>
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{{STRUCTURE_1sjr| PDB=1sjr | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PTBP1_HUMAN PTBP1_HUMAN] Plays a role in pre-mRNA splicing and in the regulation of alternative splicing events. Activates exon skipping of its own pre-mRNA during muscle cell differentiation. Binds to the polypyrimidine tract of introns. May promote RNA looping when bound to two separate polypyrimidine tracts in the same pre-mRNA. May promote the binding of U2 snRNP to pre-mRNA. Cooperates with RAVER1 to modulate switching between mutually exclusive exons during maturation of the TPM1 pre-mRNA. Represses the splicing of MAPT/Tau exon 10.<ref>PMID:11003644</ref> <ref>PMID:15009664</ref> <ref>PMID:16260624</ref> <ref>PMID:21518792</ref> <ref>PMID:16179478</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/sj/1sjr_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=1sjr ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The polypyrimidine tract binding protein (PTB) is an important regulator of alternative splicing that also affects mRNA localization, stabilization, polyadenylation, and translation. NMR structural analysis of the N-terminal half of PTB (residues 55-301) shows a canonical structure for RRM1 but reveals novel extensions to the beta strands and C terminus of RRM2 that significantly modify the beta sheet RNA binding surface. Although PTB contains four RNA recognition motifs (RRMs), it is widely held that only RRMs 3 and 4 are involved in RNA binding and that RRM2 mediates homodimerization. However, we show here not only that the RRMs 1 and 2 contribute substantially to RNA binding but also that full-length PTB is monomeric, with an elongated structure determined by X-ray solution scattering that is consistent with a linear arrangement of the constituent RRMs. These new insights into the structure and RNA binding properties of PTB suggest revised models of its mechanism of action.
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===NMR Structure of RRM2 from Human Polypyrimidine Tract Binding Protein Isoform 1 (PTB1)===
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Structure and RNA interactions of the N-terminal RRM domains of PTB.,Simpson PJ, Monie TP, Szendroi A, Davydova N, Tyzack JK, Conte MR, Read CM, Cary PD, Svergun DI, Konarev PV, Curry S, Matthews S Structure. 2004 Sep;12(9):1631-43. PMID:15341728<ref>PMID:15341728</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_15341728}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1sjr" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 15341728 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_15341728}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1SJR is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SJR OCA].
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==Reference==
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<ref group="xtra">PMID:15341728</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Cary, P D.]]
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[[Category: Large Structures]]
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[[Category: Conte, M R.]]
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[[Category: Cary PD]]
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[[Category: Curry, S.]]
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[[Category: Conte MR]]
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[[Category: Davydova, N.]]
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[[Category: Curry S]]
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[[Category: Konarev, P V.]]
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[[Category: Davydova N]]
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[[Category: Matthews, S J.]]
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[[Category: Konarev PV]]
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[[Category: Monie, T P.]]
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[[Category: Matthews SJ]]
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[[Category: Petoukhov, M V.]]
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[[Category: Monie TP]]
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[[Category: Read, C M.]]
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[[Category: Petoukhov MV]]
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[[Category: Simpson, P J.]]
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[[Category: Read CM]]
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[[Category: Svergun, D I.]]
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[[Category: Simpson PJ]]
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[[Category: Szendroi, A.]]
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[[Category: Svergun DI]]
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[[Category: Tyzack, J K.]]
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[[Category: Szendroi A]]
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[[Category: Extended babbab motif]]
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[[Category: Tyzack JK]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 06:08:03 2009''
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Current revision

NMR Structure of RRM2 from Human Polypyrimidine Tract Binding Protein Isoform 1 (PTB1)

PDB ID 1sjr

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