2c39: Difference between revisions

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[[Image:2c39.png|left|200px]]
==RNASE PH CORE OF THE ARCHAEAL EXOSOME IN COMPLEX WITH ADP==
<StructureSection load='2c39' size='340' side='right' caption='[[2c39]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2c39]] is a 24 chain structure with sequence from [http://en.wikipedia.org/wiki/Sulfolobus_solfataricus Sulfolobus solfataricus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2C39 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2C39 FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene><br>
<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2br2|2br2]], [[2c37|2c37]], [[2c38|2c38]]</td></tr>
<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=2c39 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2c39 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2c39 RCSB], [http://www.ebi.ac.uk/pdbsum/2c39 PDBsum]</span></td></tr>
<table>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/c3/2c39_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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/chain_selection.php?pdb_ID=2ata ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The exosome is a macromolecular complex that plays fundamental roles in the biogenesis and turnover of a large number of RNA species. Here we report the crystal structures of the Rrp41-Rrp42 core complex of the S. solfataricus exosome bound to short single-stranded RNAs and to ADP. The RNA binding cleft recognizes four nucleotides in a sequence-unspecific manner, mainly by electrostatic interactions with the phosphate groups. Interactions at the 2' hydroxyls of the sugars provide specificity for RNA over DNA. The structures show both the bound substrate and the cleaved product of the reaction, suggesting a catalytic mechanism for the 3'-5' phosphorolytic activity of the exosome.


{{STRUCTURE_2c39|  PDB=2c39  |  SCENE=  }}
Structural basis of 3' end RNA recognition and exoribonucleolytic cleavage by an exosome RNase PH core.,Lorentzen E, Conti E Mol Cell. 2005 Nov 11;20(3):473-81. PMID:16285928<ref>PMID:16285928</ref>


===RNASE PH CORE OF THE ARCHAEAL EXOSOME IN COMPLEX WITH ADP===
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
</div>
{{ABSTRACT_PUBMED_16285928}}
== References ==
 
<references/>
==About this Structure==
__TOC__
[[2c39]] is a 24 chain structure with sequence from [http://en.wikipedia.org/wiki/Sulfolobus_solfataricus Sulfolobus solfataricus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2C39 OCA].
</StructureSection>
 
==Reference==
<ref group="xtra">PMID:016285928</ref><references group="xtra"/>
[[Category: Sulfolobus solfataricus]]
[[Category: Sulfolobus solfataricus]]
[[Category: Conti, E.]]
[[Category: Conti, E.]]

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