2c5s

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{{Seed}}
 
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[[Image:2c5s.png|left|200px]]
 
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==Crystal structure of Bacillus anthracis ThiI, a tRNA-modifying enzyme containing the predicted RNA-binding THUMP domain==
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The line below this paragraph, containing "STRUCTURE_2c5s", creates the "Structure Box" on the page.
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<StructureSection load='2c5s' size='340' side='right'caption='[[2c5s]], [[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'>[[2c5s]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_anthracis_str._Ames Bacillus anthracis str. Ames]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2C5S OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2C5S 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=AMP:ADENOSINE+MONOPHOSPHATE'>AMP</scene></td></tr>
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{{STRUCTURE_2c5s| PDB=2c5s | 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=2c5s FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2c5s OCA], [https://pdbe.org/2c5s PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2c5s RCSB], [https://www.ebi.ac.uk/pdbsum/2c5s PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2c5s ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/THII_BACAN THII_BACAN] Catalyzes the ATP-dependent transfer of a sulfur to tRNA to produce 4-thiouridine in position 8 of tRNAs, which functions as a near-UV photosensor. Also catalyzes the transfer of sulfur to the sulfur carrier protein ThiS, forming ThiS-thiocarboxylate. This is a step in the synthesis of thiazole, in the thiamine biosynthesis pathway. The sulfur is donated as persulfide by IscS (By similarity).
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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/c5/2c5s_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=2c5s 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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ThiI is an enzyme responsible for the formation of the modified base S(4)U (4-thiouridine) found at position 8 in some prokaryotic tRNAs. This base acts as a sensitive trigger for the response mechanism to UV exposure, providing protection against its damaging effects. We present the crystal structure of Bacillus anthracis ThiI in complex with AMP, revealing an extended tripartite architecture in which an N-terminal ferredoxin-like domain (NFLD) connects the C-terminal catalytic PP-loop pyrophosphatase domain with a THUMP domain, an ancient predicted RNA-binding domain that is widespread in all kingdoms of life. We describe the structure of the THUMP domain, which appears to be unrelated to RNA-binding domains of known structure. Mapping the conserved residues of NFLD and the THUMP domain onto the ThiI structure suggests that these domains jointly form the tRNA-binding surface. The inaccessibility of U8 in the canonical L-shaped form of tRNA, and the existence of a glycine-rich linker joining the catalytic and RNA-binding moieties of ThiI suggest that structural changes may occur in both molecules upon binding.
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===CRYSTAL STRUCTURE OF BACILLUS ANTHRACIS THII, A TRNA-MODIFYING ENZYME CONTAINING THE PREDICTED RNA-BINDING THUMP DOMAIN===
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Crystal structure of Bacillus anthracis ThiI, a tRNA-modifying enzyme containing the predicted RNA-binding THUMP domain.,Waterman DG, Ortiz-Lombardia M, Fogg MJ, Koonin EV, Antson AA J Mol Biol. 2006 Feb 10;356(1):97-110. Epub 2005 Nov 22. PMID:16343540<ref>PMID:16343540</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_16343540}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 2c5s" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 16343540 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_16343540}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Bacillus anthracis str. Ames]]
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2C5S is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Bacillus_anthracis Bacillus anthracis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2C5S OCA].
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[[Category: Large Structures]]
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[[Category: Antson AA]]
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==Reference==
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[[Category: Fogg MJ]]
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Crystal structure of Bacillus anthracis ThiI, a tRNA-modifying enzyme containing the predicted RNA-binding THUMP domain., Waterman DG, Ortiz-Lombardia M, Fogg MJ, Koonin EV, Antson AA, J Mol Biol. 2006 Feb 10;356(1):97-110. Epub 2005 Nov 22. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16343540 16343540]
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[[Category: Koonin EV]]
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[[Category: Bacillus anthracis]]
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[[Category: Ortiz-Lombardia M]]
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[[Category: Single protein]]
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[[Category: Waterman DG]]
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[[Category: Antson, A A.]]
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[[Category: Fogg, M J.]]
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[[Category: Koonin, E V.]]
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[[Category: Ortiz-Lombardia, M.]]
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[[Category: Waterman, D G.]]
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[[Category: 4-thiouridine synthase]]
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[[Category: Ferredoxin-like domain]]
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[[Category: Pp-loop pyrophosphatase domain]]
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[[Category: Rna binding protein]]
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[[Category: Rna-binding protein]]
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[[Category: Thiamine biosynthesis]]
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[[Category: Thump domain]]
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[[Category: Trna modification]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 14:47:12 2008''
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Current revision

Crystal structure of Bacillus anthracis ThiI, a tRNA-modifying enzyme containing the predicted RNA-binding THUMP domain

PDB ID 2c5s

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