1wqf

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[[Image:1wqf.gif|left|200px]]
 
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{{Structure
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==Crystal structure of Ribosome recycling factor from Mycobacterium Tuberculosis==
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|PDB= 1wqf |SIZE=350|CAPTION= <scene name='initialview01'>1wqf</scene>, resolution 2.65&Aring;
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<StructureSection load='1wqf' size='340' side='right'caption='[[1wqf]], [[Resolution|resolution]] 2.65&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=CD:CADMIUM+ION'>CD</scene>
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<table><tr><td colspan='2'>[[1wqf]] is a 1 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=1WQF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1WQF FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.65&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CD:CADMIUM+ION'>CD</scene></td></tr>
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|DOMAIN=
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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=1wqf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wqf OCA], [https://pdbe.org/1wqf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1wqf RCSB], [https://www.ebi.ac.uk/pdbsum/1wqf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1wqf ProSAT]</span></td></tr>
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|RELATEDENTRY=[[1wqg|1WQG]], [[1wqh|1WQH]]
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1wqf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wqf OCA], [http://www.ebi.ac.uk/pdbsum/1wqf PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1wqf RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/RRF_MYCTU RRF_MYCTU] Responsible for the release of ribosomes from messenger RNA at the termination of protein biosynthesis. May increase the efficiency of translation by recycling ribosomes from one round of translation to another (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/wq/1wqf_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=1wqf ConSurf].
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<div style="clear:both"></div>
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'''Crystal structure of Ribosome recycling factor from Mycobacterium Tuberculosis'''
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==See Also==
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*[[Ribosome recycling factor|Ribosome recycling factor]]
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__TOC__
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==Overview==
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</StructureSection>
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The crystal structure of Mycobacterium tuberculosis ribosome recycling factor has been determined and refined against three X-ray diffraction data sets, two collected at room temperature and the other at 100K. The two room-temperature data sets differ in the radiation damage suffered by the crystals before the data used for processing were collected. A comparison between the structures refined against the two data sets indicates the possibility of radiation-induced conformational change. The L-shaped molecule is composed of a long three-helix bundle domain (domain I) and a globular domain (domain II) connected by a linker region. The main difference between the room-temperature structure and the low temperature structure is in the rotation of domain II about an axis close to its libration axis. This observation and a detailed comparative study of ribosome recycling factors (RRFs) of known structures led to an elaboration of the present understanding of the structural variability of RRF. The variability involves a change in the angle between the two arms of the molecule, a rotation of domain II in a plane nearly perpendicular to the axis of the helix bundle and an internal rotation of domain II. Furthermore, the domains and the linker could be delineated into fixed and variable regions in a physically meaningful manner. The relative mobility of the domains of the molecule in the crystal structure appears to be similar to that in the ribosome--RRF complex. That permits a meaningful discussion of the structural features of RRF in terms of ribosome--RRF interactions. The structure also provides insights into the results of inter-species complementation studies.
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[[Category: Large Structures]]
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==About this Structure==
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1WQF is a [[Single protein]] structure of 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=1WQF OCA].
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==Reference==
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X-ray structural studies of Mycobacterium tuberculosis RRF and a comparative study of RRFs of known structure. Molecular plasticity and biological implications., Saikrishnan K, Kalapala SK, Varshney U, Vijayan M, J Mol Biol. 2005 Jan 7;345(1):29-38. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15567408 15567408]
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[[Category: Mycobacterium tuberculosis]]
[[Category: Mycobacterium tuberculosis]]
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[[Category: Single protein]]
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[[Category: Kalapala SK]]
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[[Category: Kalapala, S K.]]
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[[Category: Saikrishnan K]]
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[[Category: Saikrishnan, K.]]
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[[Category: Varshney U]]
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[[Category: Varshney, U.]]
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[[Category: Vijayan M]]
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[[Category: Vijayan, M.]]
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[[Category: protein synthesis]]
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[[Category: translation factor]]
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[[Category: triple-helix bundle]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 00:39:44 2008''
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Current revision

Crystal structure of Ribosome recycling factor from Mycobacterium Tuberculosis

PDB ID 1wqf

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