2ztd

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[[Image:2ztd.png|left|200px]]
 
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{{STRUCTURE_2ztd| PDB=2ztd | SCENE= }}
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==MtRuvA Form III==
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<StructureSection load='2ztd' size='340' side='right'caption='[[2ztd]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2ztd]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ZTD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2ZTD 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]] 2.4&#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=GOL:GLYCEROL'>GOL</scene></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=2ztd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ztd OCA], [https://pdbe.org/2ztd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ztd RCSB], [https://www.ebi.ac.uk/pdbsum/2ztd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ztd ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RUVA_MYCTU RUVA_MYCTU] The RuvA-RuvB complex in the presence of ATP renatures cruciform structure in supercoiled DNA with palindromic sequence, indicating that it may promote strand exchange reactions in homologous recombination. RuvAB is a helicase that mediates the Holliday junction migration by localized denaturation and reannealing. RuvA stimulates, in the presence of DNA, the weak ATPase activity of RuvB (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/zt/2ztd_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=2ztd 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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RuvA, along with RuvB, is involved in branch migration of heteroduplex DNA in homologous recombination. The structures of three new crystal forms of RuvA from Mycobacterium tuberculosis (MtRuvA) have been determined. The RuvB-binding domain is cleaved off in one of them. Detailed models of the complexes of octameric RuvA from different species with the Holliday junction have also been constructed. A thorough examination of the structures presented here and those reported earlier brings to light the hitherto unappreciated role of the RuvB-binding domain in determining inter-domain orientation and oligomerization. These structures also permit an exploration of the interspecies variability of structural features such as oligomerization and the conformation of the loop that carries the acidic pin, in terms of amino acid substitutions. These models emphasize the additional role of the RuvB-binding domain in Holliday junction binding. This role along with its role in oligomerization could have important biological implications.
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===MtRuvA Form III===
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Crystallographic and modelling studies on Mycobacterium tuberculosis RuvA Additional role of RuvB-binding domain and inter species variability.,Prabu JR, Thamotharan S, Khanduja JS, Chandra NR, Muniyappa K, Vijayan M Biochim Biophys Acta. 2009 Jul;1794(7):1001-9. Epub 2009 Apr 15. PMID:19374958<ref>PMID:19374958</ref>
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{{ABSTRACT_PUBMED_19374958}}
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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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==About this Structure==
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<div class="pdbe-citations 2ztd" style="background-color:#fffaf0;"></div>
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[[2ztd]] is a 2 chain structure of [[Helicase]] with sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ZTD OCA].
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==See Also==
==See Also==
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*[[Helicase|Helicase]]
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*[[Helicase 3D structures|Helicase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:019374958</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Mycobacterium tuberculosis]]
[[Category: Mycobacterium tuberculosis]]
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[[Category: Chandra, N R.]]
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[[Category: Chandra NR]]
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[[Category: Khanduja, J S.]]
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[[Category: Khanduja JS]]
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[[Category: Muniyappa, K.]]
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[[Category: Muniyappa K]]
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[[Category: Prabu, J R.]]
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[[Category: Prabu JR]]
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[[Category: Thamotharan, S.]]
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[[Category: Thamotharan S]]
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[[Category: Vijayan, M.]]
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[[Category: Vijayan M]]
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[[Category: Acidic pin]]
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[[Category: Atp-binding]]
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[[Category: Branch migration]]
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[[Category: Dna binding]]
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[[Category: Dna binding protein]]
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[[Category: Dna damage]]
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[[Category: Dna recombination]]
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[[Category: Dna repair]]
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[[Category: Dna-binding]]
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[[Category: Helicase]]
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[[Category: Holliday junction]]
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[[Category: Hydrolase]]
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[[Category: Nucleotide-binding]]
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[[Category: Oligomerization]]
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[[Category: Recombination]]
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[[Category: Sos response]]
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Current revision

MtRuvA Form III

PDB ID 2ztd

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