2yht: Difference between revisions

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==CRYSTAL STRUCTURE OF HFQ RIBOREGULATOR FROM E. COLI (P1 SPACE GROUP)==
<StructureSection load='2yht' size='340' side='right' caption='[[2yht]], [[Resolution|resolution]] 2.90&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2yht]] is a 12 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=2YHT OCA]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1m7c|1m7c]], [[2y90|2y90]], [[1oou|1oou]], [[1hk9|1hk9]], [[1oov|1oov]]</td></tr>
<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glucokinase Glucokinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.2 2.7.1.2] </span></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=2yht FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2yht OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2yht RCSB], [http://www.ebi.ac.uk/pdbsum/2yht PDBsum]</span></td></tr>
<table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The Hfq protein was discovered in Escherichia coli in the early seventies as a host factor for the Qbeta phage RNA replication. During the last decade, it was shown to be involved in many RNA processing events and remote sequence homology indicated a link to spliceosomal Sm proteins. We report the crystal structure of the E.coli Hfq protein showing that its monomer displays a characteristic Sm-fold and forms a homo-hexamer, in agreement with former biochemical data. Overall, the structure of the E.coli Hfq ring is similar to the one recently described for Staphylococcus aureus. This confirms that bacteria contain a hexameric Sm-like protein which is likely to be an ancient and less specialized form characterized by a relaxed RNA binding specificity. In addition, we identified an Hfq ortholog in the archaeon Methanococcus jannaschii which lacks a classical Sm/Lsm gene. Finally, a detailed structural comparison shows that the Sm-fold is remarkably well conserved in bacteria, Archaea and Eukarya, and represents a universal and modular building unit for oligomeric RNA binding proteins.


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Sm-like proteins in Eubacteria: the crystal structure of the Hfq protein from Escherichia coli.,Sauter C, Basquin J, Suck D Nucleic Acids Res. 2003 Jul 15;31(14):4091-8. PMID:12853626<ref>PMID:12853626</ref>
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===CRYSTAL STRUCTURE OF HFQ RIBOREGULATOR FROM E. COLI (P1 SPACE GROUP)===
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
 
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== References ==
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==About this Structure==
[[2yht]] is a 12 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=2YHT OCA].
 
==Reference==
<ref group="xtra">PMID:012853626</ref><references group="xtra"/>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Basquin, J.]]
[[Category: Basquin, J.]]

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