1r3f

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[[Image:1r3f.gif|left|200px]]
 
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==Crystal Structure of tRNA Pseudouridine Synthase TruB and Its RNA Complex: RNA-protein Recognition Through a Combination of Rigid Docking and Induced Fit==
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The line below this paragraph, containing "STRUCTURE_1r3f", creates the "Structure Box" on the page.
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<StructureSection load='1r3f' size='340' side='right'caption='[[1r3f]], [[Resolution|resolution]] 1.85&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'>[[1r3f]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1R3F OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1R3F 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]] 1.85&#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=1r3f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1r3f OCA], [https://pdbe.org/1r3f PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1r3f RCSB], [https://www.ebi.ac.uk/pdbsum/1r3f PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1r3f ProSAT]</span></td></tr>
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{{STRUCTURE_1r3f| PDB=1r3f | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/TRUB_ECOLI TRUB_ECOLI] Responsible for synthesis of pseudouridine from uracil-55 in the psi GC loop of transfer RNAs.<ref>PMID:7489483</ref> <ref>PMID:11142385</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/r3/1r3f_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=1r3f ConSurf].
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<div style="clear:both"></div>
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'''Crystal Structure of tRNA Pseudouridine Synthase TruB and Its RNA Complex: RNA-protein Recognition Through a Combination of Rigid Docking and Induced Fit'''
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==See Also==
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*[[Guide-independent Pseudouridine synthase|Guide-independent Pseudouridine synthase]]
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*[[Pseudouridine synthase 3D structures|Pseudouridine synthase 3D structures]]
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==Overview==
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== References ==
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RNA pseudouridine synthase, TruB, catalyzes pseudouridine formation at U55 in tRNA. This posttranscriptional modification is almost universally conserved and occurs in the T arm of most tRNAs. We determined the crystal structure of Escherichia coli TruB apo enzyme, as well as the structure of Thermotoga maritima TruB in complex with RNA. Comparison of the RNA-free and -bound forms of TruB reveals that this enzyme undergoes significant conformational changes on binding to its substrate. These conformational changes include the ordering of the "thumb loop," which binds right into the RNA hairpin loop, and a 10 degree hinge movement of the C-terminal domain. Along with the result of docking experiments performed on apo TruB, we conclude that TruB recognizes its RNA substrate through a combination of rigid docking and induced fit, with TruB first rigidly binding to its target and then maximizing the interaction by induced fit.
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<references/>
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__TOC__
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==About this Structure==
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</StructureSection>
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1R3F is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1R3F OCA].
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==Reference==
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Structure of tRNA pseudouridine synthase TruB and its RNA complex: RNA recognition through a combination of rigid docking and induced fit., Pan H, Agarwalla S, Moustakas DT, Finer-Moore J, Stroud RM, Proc Natl Acad Sci U S A. 2003 Oct 28;100(22):12648-53. Epub 2003 Oct 17. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14566049 14566049]
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Pseudouridylate synthase]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Agarwalla S]]
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[[Category: Agarwalla, S.]]
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[[Category: Finer-Moore J]]
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[[Category: Finer-Moore, J.]]
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[[Category: Moustakas DT]]
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[[Category: Moustakas, D T.]]
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[[Category: Pan H]]
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[[Category: Pan, H.]]
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[[Category: Stroud RM]]
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[[Category: Stroud, R M.]]
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[[Category: Pseudouridylation]]
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[[Category: Rna modification]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 07:01:39 2008''
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Current revision

Crystal Structure of tRNA Pseudouridine Synthase TruB and Its RNA Complex: RNA-protein Recognition Through a Combination of Rigid Docking and Induced Fit

PDB ID 1r3f

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