1gtn

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{{Seed}}
 
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[[Image:1gtn.png|left|200px]]
 
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==Structure of the trp RNA-binding attenuation protein (TRAP) bound to an RNA molecule containing 11 GAGCC repeats==
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The line below this paragraph, containing "STRUCTURE_1gtn", creates the "Structure Box" on the page.
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<StructureSection load='1gtn' size='340' side='right'caption='[[1gtn]], [[Resolution|resolution]] 2.50&Aring;' 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'>[[1gtn]] is a 23 chain structure with sequence from [https://en.wikipedia.org/wiki/Geobacillus_stearothermophilus Geobacillus stearothermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GTN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1GTN 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">X-ray diffraction, [[Resolution|Resolution]] 2.5&#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=TRP:TRYPTOPHAN'>TRP</scene></td></tr>
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{{STRUCTURE_1gtn| PDB=1gtn | SCENE= }}
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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=1gtn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1gtn OCA], [https://pdbe.org/1gtn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1gtn RCSB], [https://www.ebi.ac.uk/pdbsum/1gtn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1gtn ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/MTRB_GEOSE MTRB_GEOSE]
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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/gt/1gtn_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=1gtn 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 trp RNA-binding attenuation protein (TRAP) regulates expression of the tryptophan biosynthetic genes in bacilli by binding to the leader region of the nascent trp operon mRNA. When activated by binding tryptophan, the 11-subunit circular TRAP molecule binds to a target sequence consisting of 11 (G/U)AG repeats, separated by two or three variable 'spacer' nucleotides. Reported here are two crystal structures of TRAP bound to RNAs containing 11 GAG repeats separated by UU and CC spacer nucleotides, determined at 1.75 and 2.50 A resolution, respectively. These show the spacer regions of the RNA molecules to be highly flexible, making no direct hydrogen-bonding contacts with the protein. Comparison of these structures with the previous structure of TRAP bound to (GAGAU)(10)GAG RNA, in which the spacer nucleotides stack with each other close to the protein surface, shows that the RNA can adopt different conformations depending on the sequence of the spacer regions. This gives insight into the structural basis of the specificity of TRAP and into the mechanism of binding.
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===STRUCTURE OF THE TRP RNA-BINDING ATTENUATION PROTEIN (TRAP) BOUND TO AN RNA MOLECULE CONTAINING 11 GAGCC REPEATS===
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Specificity of TRAP-RNA interactions: crystal structures of two complexes with different RNA sequences.,Hopcroft NH, Wendt AL, Gollnick P, Antson AA Acta Crystallogr D Biol Crystallogr. 2002 Apr;58(Pt 4):615-21. Epub 2002, Mar 22. PMID:11914485<ref>PMID:11914485</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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<div class="pdbe-citations 1gtn" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_11914485}}, adds the Publication Abstract to the page
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*[[Tryptophan RNA-binding attenuation protein|Tryptophan RNA-binding attenuation protein]]
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(as it appears on PubMed at http://www.pubmed.gov), where 11914485 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_11914485}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1GTN is a 23 chains structure of sequences from [http://en.wikipedia.org/wiki/Geobacillus_stearothermophilus Geobacillus stearothermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GTN OCA].
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==Reference==
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<ref group="xtra">PMID:11914485</ref><references group="xtra"/>
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[[Category: Geobacillus stearothermophilus]]
[[Category: Geobacillus stearothermophilus]]
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[[Category: Antson, A A.]]
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[[Category: Large Structures]]
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[[Category: Gollnick, P.]]
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[[Category: Antson AA]]
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[[Category: Hopcroft, N H.]]
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[[Category: Gollnick P]]
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[[Category: Wendt, A L.]]
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[[Category: Hopcroft NH]]
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[[Category: Rna-binding protein]]
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[[Category: Wendt AL]]
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[[Category: Transcription attenuation]]
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[[Category: Trp rna]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 13:36:01 2009''
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Current revision

Structure of the trp RNA-binding attenuation protein (TRAP) bound to an RNA molecule containing 11 GAGCC repeats

PDB ID 1gtn

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