2vmk

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[[Image:2vmk.png|left|200px]]
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==CRYSTAL STRUCTURE OF E. COLI RNASE E APOPROTEIN - CATALYTIC DOMAIN==
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<StructureSection load='2vmk' size='340' side='right' caption='[[2vmk]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2vmk]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2VMK OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2VMK FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2bx2|2bx2]], [[2c0b|2c0b]], [[2c4r|2c4r]], [[1slj|1slj]], [[2vrt|2vrt]], [[1sn8|1sn8]], [[2fym|2fym]], [[1smx|1smx]]</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2vmk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2vmk OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2vmk RCSB], [http://www.ebi.ac.uk/pdbsum/2vmk PDBsum]</span></td></tr>
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<table>
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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/vm/2vmk_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/chain_selection.php?pdb_ID=2ata 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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RNase E is an essential bacterial endoribonuclease involved in the turnover of messenger RNA and the maturation of structured RNA precursors in Escherichia coli. Here, we present the crystal structure of the E. coli RNase E catalytic domain in the apo-state at 3.3 A. This structure indicates that, upon catalytic activation, RNase E undergoes a marked conformational change characterized by the coupled movement of two RNA-binding domains to organize the active site. The structural data suggest a mechanism of RNA recognition and cleavage that explains the enzyme's preference for substrates possessing a 5'-monophosphate and accounts for the protective effect of a triphosphate cap for most transcripts. Internal flexibility within the quaternary structure is also observed, a finding that has implications for recognition of structured RNA substrates and for the mechanism of internal entry for a subset of substrates that are cleaved without 5'-end requirements.
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{{STRUCTURE_2vmk| PDB=2vmk | SCENE= }}
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The crystal structure of the Escherichia coli RNase E apoprotein and a mechanism for RNA degradation.,Koslover DJ, Callaghan AJ, Marcaida MJ, Garman EF, Martick M, Scott WG, Luisi BF Structure. 2008 Aug 6;16(8):1238-44. PMID:18682225<ref>PMID:18682225</ref>
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===CRYSTAL STRUCTURE OF E. COLI RNASE E APOPROTEIN - CATALYTIC DOMAIN===
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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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{{ABSTRACT_PUBMED_18682225}}
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==About this Structure==
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[[2vmk]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2VMK OCA].
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==See Also==
==See Also==
*[[Ribonuclease|Ribonuclease]]
*[[Ribonuclease|Ribonuclease]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:018682225</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Callaghan, A J.]]
[[Category: Callaghan, A J.]]

Revision as of 10:13, 29 September 2014

CRYSTAL STRUCTURE OF E. COLI RNASE E APOPROTEIN - CATALYTIC DOMAIN

2vmk, resolution 3.30Å

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