1x1l

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[[Image:1x1l.png|left|200px]]
 
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{{STRUCTURE_1x1l| PDB=1x1l | SCENE= }}
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==Interaction of ERA,a GTPase protein, with the 3'minor domain of the 16S rRNA within the THERMUS THERMOPHILUS 30S subunit.==
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<SX load='1x1l' size='340' side='right' viewer='molstar' caption='[[1x1l]], [[Resolution|resolution]] 13.50&Aring;' scene=''>
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===Interaction of ERA,a GTPase protein, with the 3'minor domain of the 16S rRNA within the THERMUS THERMOPHILUS 30S subunit.===
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1x1l]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [https://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1X1L OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1X1L FirstGlance]. <br>
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{{ABSTRACT_PUBMED_15866174}}
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 13.5&#8491;</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=1x1l FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1x1l OCA], [https://pdbe.org/1x1l PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1x1l RCSB], [https://www.ebi.ac.uk/pdbsum/1x1l PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1x1l ProSAT], [https://www.topsan.org/Proteins/RSGI/1x1l TOPSAN]</span></td></tr>
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==About this Structure==
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</table>
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[[1x1l]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [http://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1X1L OCA].
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== Function ==
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[https://www.uniprot.org/uniprot/ERA_ECOLI ERA_ECOLI] An essential GTPase that binds both GDP and GTP, with nucleotide exchange occurring on the order of seconds whereas hydrolysis occurs on the order of minutes. Plays a role in numerous processes, including cell cycle regulation, energy metabolism, as a chaperone for 16S rRNA processing and 30S ribosomal subunit biogenesis. Its presence in the 30S subunit may prevent translation initiation. Seems to be critical for maintaining cell growth and cell divison rates; a dramatic reduction in Era protein levels temporarily arrests cell growth just before cytokinesis (at the predivisional two-cell stage) and delays cell division. Era mutant era1 suppresses some temperature-sensitive mutations that affect DNA replication and chromosome partitioning and segregation. The dominant-negative Era-de mutant which is missing residues in a putative effector region, is unable to complement the disruption mutant; upon overproduction it shows a significant decrease in cell viability and a synthetic lethal phenotype in the presence of acetate. Era function probably overlaps RbfA. Binds to the pre-30S subunit through several stages of protein assembly.<ref>PMID:9515700</ref> <ref>PMID:12125819</ref> <ref>PMID:12753192</ref> <ref>PMID:16825789</ref> <ref>PMID:20188109</ref>
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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/x1/1x1l_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=1x1l ConSurf].
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<div style="clear:both"></div>
==See Also==
==See Also==
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*[[GTP-binding protein|GTP-binding protein]]
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*[[GTP-binding protein 3D structures|GTP-binding protein 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:015866174</ref><ref group="xtra">PMID:011014170</ref><ref group="xtra">PMID:010411886</ref><references group="xtra"/>
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__TOC__
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</SX>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Large Structures]]
[[Category: Thermus thermophilus]]
[[Category: Thermus thermophilus]]
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[[Category: Agrawal, R K.]]
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[[Category: Agrawal RK]]
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[[Category: Barat, C.]]
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[[Category: Barat C]]
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[[Category: Sharma, M R.]]
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[[Category: Sharma MR]]
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[[Category: Interaction of era protein with the 3'minor domain of 16s rrna]]
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[[Category: Structural protein-rna complex]]
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Current revision

Interaction of ERA,a GTPase protein, with the 3'minor domain of the 16S rRNA within the THERMUS THERMOPHILUS 30S subunit.

1x1l, resolution 13.50Å

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OCA

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