5zr6

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'''Unreleased structure'''
 
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The entry 5zr6 is ON HOLD
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==Manganese-dependent transcriptional repressor complex with manganese==
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<StructureSection load='5zr6' size='340' side='right'caption='[[5zr6]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[5zr6]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5ZR6 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5ZR6 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5zr6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5zr6 OCA], [http://pdbe.org/5zr6 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5zr6 RCSB], [http://www.ebi.ac.uk/pdbsum/5zr6 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5zr6 ProSAT]</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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The pathogenic Mycobacterium tuberculosis encodes two members of the DtxR family metalloregulators, IdeR and MntR. IdeR represses gene expression in response to ferrous iron, while MntR (Rv2788) functions as a manganese-dependent transcriptional repressor, which represses the expression of manganese transporter genes to maintain manganese homeostasis. Although the structural study towards IdeR is in-depth, there is no MntR structure available. Herein, we report both apo and manganese bound forms of MntR structures from M. tuberculosis. MntR has evolved into two metal ion binding sites like other DtxR proteins and for the first time, we captured the two sites fully occupied by its natural ions with one Mn(2+) ion at the first site and two Mn(2+) ions at the second binding site (binuclear manganese cluster). The conformation change of MntR resulting from manganese binding could prime the MntR for DNA binding, which is a conserved activation mechanism among DtxR family.
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Authors: Cong, X.Y., Xu, S.J., Wang, J.B.
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Crystal structures of manganese-dependent transcriptional repressor MntR (Rv2788) from Mycobacterium tuberculosis in apo and manganese bound forms.,Cong X, Yuan Z, Wang Z, Wei B, Xu S, Wang J Biochem Biophys Res Commun. 2018 Jun 22;501(2):423-427. doi:, 10.1016/j.bbrc.2018.05.005. PMID:29730293<ref>PMID:29730293</ref>
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Description: Manganese-dependent transcriptional repressor complex with manganese
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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[[Category: Xu, S.J]]
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<div class="pdbe-citations 5zr6" style="background-color:#fffaf0;"></div>
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[[Category: Cong, X.Y]]
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== References ==
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[[Category: Wang, J.B]]
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
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[[Category: Cong, X Y]]
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[[Category: Wang, J B]]
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[[Category: Xu, S J]]
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[[Category: Transcription]]
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[[Category: Transcriptional repressor]]

Revision as of 07:42, 20 March 2019

Manganese-dependent transcriptional repressor complex with manganese

PDB ID 5zr6

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