2cwq: Difference between revisions

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[[Image:2cwq.png|left|200px]]


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==Crystal structure of conserved protein TTHA0727 from Thermus thermophilus HB8==
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<StructureSection load='2cwq' size='340' side='right'caption='[[2cwq]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2cwq]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus_HB8 Thermus thermophilus HB8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CWQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2CWQ FirstGlance]. <br>
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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]] 1.9&#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=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
{{STRUCTURE_2cwq|  PDB=2cwq  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2cwq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cwq OCA], [https://pdbe.org/2cwq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2cwq RCSB], [https://www.ebi.ac.uk/pdbsum/2cwq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2cwq ProSAT], [https://www.topsan.org/Proteins/RSGI/2cwq TOPSAN]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/Q5SMF5_THET8 Q5SMF5_THET8]
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cw/2cwq_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=2cwq ConSurf].
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== Publication Abstract from PubMed ==
TTHA0727 is a conserved hypothetical protein from Thermus thermophilus HB8, with a molecular mass of 12.6 kDa. TTHA0727 belongs to the carboxymuconolactone decarboxylase (CMD) family (Pfam 02627). A sequence comparison with its homologs suggested that TTHA0727 is a distinct protein from alkylhydroperoxidase AhpD and gamma-carboxymuconolactone decarboxylase in the CMD family. Here we report the 1.9 A crystal structure of TTHA0727 (PDB ID: 2CWQ) determined by the multiwavelength anomalous dispersion method. The TTHA0727 monomer structure consists of seven alpha-helices (alpha1-alpha7) and one short 3(10)-helix. The crystal structure and the analytical ultracentrifugation revealed that TTHA0727 forms a hexameric ring structure in solution. The electrostatic potential distribution on the solvent-accessible surface of the TTHA0727 hexamer showed that positively charged regions exist on the side of the ring structure, suggesting that TTHA0727 interacts with some negatively charged molecules. A structural homology search revealed that the structure of three alpha-helices (alpha4-alpha6) is remarkably conserved, suggesting that it is the common structural motif for the CMD family proteins. In addition, the nine residues of the N-terminal tag bound to the cleft region between alpha1 and alpha3 in chains A and B of TTHA0727, implying that this region is the putative binding/active site for some small molecules.


===Crystal structure of conserved protein TTHA0727 from Thermus thermophilus HB8===
Crystal structure of the conserved protein TTHA0727 from Thermus thermophilus HB8 at 1.9 A resolution: A CMD family member distinct from carboxymuconolactone decarboxylase (CMD) and AhpD.,Ito K, Arai R, Fusatomi E, Kamo-Uchikubo T, Kawaguchi S, Akasaka R, Terada T, Kuramitsu S, Shirouzu M, Yokoyama S Protein Sci. 2006 May;15(5):1187-92. Epub 2006 Apr 5. PMID:16597838<ref>PMID:16597838</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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== References ==
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<references/>
{{ABSTRACT_PUBMED_16597838}}
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</StructureSection>
==About this Structure==
[[Category: Large Structures]]
2CWQ is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CWQ OCA].
[[Category: Thermus thermophilus HB8]]
 
[[Category: Arai R]]
==Reference==
[[Category: Fusatomi E]]
Crystal structure of the conserved protein TTHA0727 from Thermus thermophilus HB8 at 1.9 A resolution: A CMD family member distinct from carboxymuconolactone decarboxylase (CMD) and AhpD., Ito K, Arai R, Fusatomi E, Kamo-Uchikubo T, Kawaguchi S, Akasaka R, Terada T, Kuramitsu S, Shirouzu M, Yokoyama S, Protein Sci. 2006 May;15(5):1187-92. Epub 2006 Apr 5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16597838 16597838]
[[Category: Ito K]]
[[Category: Single protein]]
[[Category: Kamo-Uchikubo T]]
[[Category: Thermus thermophilus]]
[[Category: Kawaguchi S]]
[[Category: Arai, R.]]
[[Category: Shirouzu M]]
[[Category: Fusatomi, E.]]
[[Category: Terada T]]
[[Category: Ito, K.]]
[[Category: Yokoyama S]]
[[Category: Kamo-Uchikubo, T.]]
[[Category: Kawaguchi, S.]]
[[Category: RSGI, RIKEN Structural Genomics/Proteomics Initiative.]]
[[Category: Shirouzu, M.]]
[[Category: Terada, T.]]
[[Category: Yokoyama, S.]]
[[Category: All alpha]]
[[Category: Conserved hypothetical protein]]
[[Category: National project on protein structural and functional analyse]]
[[Category: Nppsfa]]
[[Category: Riken structural genomics/proteomics initiative]]
[[Category: Rsgi]]
[[Category: Structural genomic]]
 
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