1wxo

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{{Seed}}
 
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[[Image:1wxo.png|left|200px]]
 
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==Structure of Archaeal Trans-Editing Protein AlaX in complex with zinc==
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The line below this paragraph, containing "STRUCTURE_1wxo", creates the "Structure Box" on the page.
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<StructureSection load='1wxo' size='340' side='right'caption='[[1wxo]], [[Resolution|resolution]] 1.88&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'>[[1wxo]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Pyrococcus_horikoshii_OT3 Pyrococcus horikoshii OT3]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WXO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1WXO 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]] 1.88&#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=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_1wxo| PDB=1wxo | 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=1wxo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wxo OCA], [https://pdbe.org/1wxo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1wxo RCSB], [https://www.ebi.ac.uk/pdbsum/1wxo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1wxo ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ALAXS_PYRHO ALAXS_PYRHO] Functions in trans to edit the amino acid moiety from mischarged charged Ser-tRNA(Ala). Has little activity against Gly-tRNA(Ala).
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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/wx/1wxo_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=1wxo 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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AlaX is the homologue of the class II alanyl-tRNA synthetase editing domain and has been shown to exhibit autonomous editing activity against mischarged tRNA(Ala). Here, we present the structures of AlaX from the archaeon Pyrococcus horikoshii in apo form, complexed with zinc, and with noncognate amino acid l-serine and zinc. Together with mutational analysis, we demonstrated that the conserved Thr-30 hydroxyl group located near the beta-methylene of the bound serine is responsible for the discrimination of noncognate serine from cognate alanine, based on their chemical natures. Furthermore, we confirmed that the conserved Gln-584 in alanyl-tRNA synthetase, which corresponds to Thr-30 of AlaX, is also critical for discrimination. These observations strongly suggested conservation of the chemical discrimination among trans- and cis-editing of tRNA(Ala).
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===Structure of Archaeal Trans-Editing Protein AlaX in complex with zinc===
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Molecular basis of alanine discrimination in editing site.,Sokabe M, Okada A, Yao M, Nakashima T, Tanaka I Proc Natl Acad Sci U S A. 2005 Aug 16;102(33):11669-74. Epub 2005 Aug 8. PMID:16087889<ref>PMID:16087889</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 1wxo" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_16087889}}, adds the Publication Abstract to the page
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*[[Aminoacyl tRNA synthetase 3D structures|Aminoacyl tRNA synthetase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 16087889 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_16087889}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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1WXO is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Pyrococcus_horikoshii Pyrococcus horikoshii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WXO OCA].
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[[Category: Pyrococcus horikoshii OT3]]
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[[Category: Nakashima T]]
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==Reference==
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[[Category: Okada A]]
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Molecular basis of alanine discrimination in editing site., Sokabe M, Okada A, Yao M, Nakashima T, Tanaka I, Proc Natl Acad Sci U S A. 2005 Aug 16;102(33):11669-74. Epub 2005 Aug 8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16087889 16087889]
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[[Category: Sokabe M]]
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[[Category: Pyrococcus horikoshii]]
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[[Category: Tanaka I]]
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[[Category: Single protein]]
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[[Category: Yao M]]
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[[Category: Nakashima, T.]]
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[[Category: Okada, A.]]
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[[Category: Sokabe, M.]]
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[[Category: Tanaka, I.]]
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[[Category: Yao, M.]]
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[[Category: Hydrolase]]
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[[Category: Trans-editing]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 05:36:45 2008''
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Current revision

Structure of Archaeal Trans-Editing Protein AlaX in complex with zinc

PDB ID 1wxo

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