2qbz

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[[Image:2qbz.png|left|200px]]
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==Structure of the M-Box Riboswitch Aptamer Domain==
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<StructureSection load='2qbz' size='340' side='right' caption='[[2qbz]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2qbz]] is a 1 chain structure. The October 2010 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Riboswitches'' by David Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2010_10 10.2210/rcsb_pdb/mom_2010_10]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QBZ OCA]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<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>
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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=2qbz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qbz OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2qbz RCSB], [http://www.ebi.ac.uk/pdbsum/2qbz PDBsum]</span></td></tr>
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<table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Organisms maintain the correct balance of intracellular metals primarily through metal-sensing proteins that control transport and storage of the target ion(s). Here, we reveal the basis of metal sensing and genetic control by a metalloregulatory RNA. Our data demonstrate that a previously uncharacterized orphan riboswitch, renamed the "M-box," is a divalent metal-sensing RNA involved in Mg(2+) homeostasis. A combination of genetic, biochemical, and biophysical techniques demonstrate that Mg(2+) induces a compacted tertiary architecture for M-box RNAs that regulates the accessibility of nucleotides involved in genetic control. Molecular details are provided by crystallographic structure determination of a Mg(2+)-bound M-box RNA. Given the distribution of this RNA element, it may constitute a common mode for bacterial metal ion regulation, and its discovery suggests the possibility of additional RNA-based metal sensors in modern and primordial organisms.
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Structure and mechanism of a metal-sensing regulatory RNA.,Dann CE 3rd, Wakeman CA, Sieling CL, Baker SC, Irnov I, Winkler WC Cell. 2007 Sep 7;130(5):878-92. PMID:17803910<ref>PMID:17803910</ref>
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The line below this paragraph, containing "STRUCTURE_2qbz", creates the "Structure Box" on the page.
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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or leave the SCENE parameter empty for the default display.
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{{STRUCTURE_2qbz| PDB=2qbz | SCENE= }}
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===Structure of the M-Box Riboswitch Aptamer Domain===
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
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</div>
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== References ==
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<references/>
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The line below this paragraph, {{ABSTRACT_PUBMED_17803910}}, adds the Publication Abstract to the page
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__TOC__
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(as it appears on PubMed at http://www.pubmed.gov), where 17803910 is the PubMed ID number.
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</StructureSection>
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{{ABSTRACT_PUBMED_17803910}}
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==About this Structure==
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[[2qbz]] is a 1 chain structure. The October 2010 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Riboswitches'' by David Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2010_10 10.2210/rcsb_pdb/mom_2010_10]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QBZ OCA].
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==Reference==
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<ref group="xtra">PMID:017803910</ref><references group="xtra"/>
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[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: Riboswitches]]
[[Category: Riboswitches]]

Revision as of 08:41, 7 May 2014

Structure of the M-Box Riboswitch Aptamer Domain

2qbz, resolution 2.60Å

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