2cdn

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[[Image:2cdn.png|left|200px]]
 
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{{STRUCTURE_2cdn| PDB=2cdn | SCENE= }}
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==Crystal structure of Mycobacterium tuberculosis adenylate kinase complexed with two molecules of ADP and Mg==
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<StructureSection load='2cdn' size='340' side='right'caption='[[2cdn]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2cdn]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis_H37Rv Mycobacterium tuberculosis H37Rv]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CDN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2CDN FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2cdn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cdn OCA], [https://pdbe.org/2cdn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2cdn RCSB], [https://www.ebi.ac.uk/pdbsum/2cdn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2cdn ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/KAD_MYCTU KAD_MYCTU] Catalyzes the reversible transfer of the terminal phosphate group between ATP and AMP. This small ubiquitous enzyme involved in the energy metabolism and nucleotide synthesis, is essential for maintenance and cell growth. Has a broad specificity for nucleoside triphosphates, being highly active with ATP or dATP as phosphate donors, and less active with GTP or UTP.<ref>PMID:10398370</ref>
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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/cd/2cdn_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/main_output.php?pdb_ID=2cdn 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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The crystal structure of Mycobacterium tuberculosis adenylate kinase (MtAK) in complex with two ADP molecules and Mg2+ has been determined at 1.9 A resolution. Comparison with the solution structure of the enzyme, obtained in the absence of substrates, shows significant conformational changes of the LID and NMP-binding domains upon substrate binding. The ternary complex represents the state of the enzyme at the start of the backward reaction (ATP synthesis). The structure is consistent with a direct nucleophilic attack of a terminal oxygen from the acceptor ADP molecule on the beta-phosphate from the donor substrate, and both the geometry and the distribution of positive charge in the active site support the hypothesis of an associative mechanism for phosphoryl transfer.
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===CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS ADENYLATE KINASE COMPLEXED WITH TWO MOLECULES OF ADP AND MG===
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The crystal structure of Mycobacterium tuberculosis adenylate kinase in complex with two molecules of ADP and Mg2+ supports an associative mechanism for phosphoryl transfer.,Bellinzoni M, Haouz A, Grana M, Munier-Lehmann H, Shepard W, Alzari PM Protein Sci. 2006 Jun;15(6):1489-93. Epub 2006 May 2. PMID:16672241<ref>PMID:16672241</ref>
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{{ABSTRACT_PUBMED_16672241}}
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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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==About this Structure==
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<div class="pdbe-citations 2cdn" style="background-color:#fffaf0;"></div>
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[[2cdn]] is a 1 chain structure of [[Adenylate kinase]] with sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CDN OCA].
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==See Also==
==See Also==
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*[[Adenylate kinase|Adenylate kinase]]
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*[[Adenylate kinase 3D structures|Adenylate kinase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:016672241</ref><references group="xtra"/>
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__TOC__
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[[Category: Adenylate kinase]]
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</StructureSection>
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[[Category: Mycobacterium tuberculosis]]
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[[Category: Large Structures]]
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[[Category: Alzari, P M.]]
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[[Category: Mycobacterium tuberculosis H37Rv]]
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[[Category: Bellinzoni, M.]]
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[[Category: Alzari PM]]
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[[Category: Grana, M.]]
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[[Category: Bellinzoni M]]
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[[Category: Haouz, A.]]
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[[Category: Grana M]]
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[[Category: Munier-Lehmann, H.]]
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[[Category: Haouz A]]
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[[Category: Adenylate kinase]]
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[[Category: Munier-Lehmann H]]
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[[Category: Associative mechanism]]
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[[Category: Atp-binding]]
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[[Category: Kinase]]
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[[Category: Nucleotide biosynthesis]]
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[[Category: Nucleotide-binding]]
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[[Category: Phosphoryl transfer]]
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[[Category: Transferase]]
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Current revision

Crystal structure of Mycobacterium tuberculosis adenylate kinase complexed with two molecules of ADP and Mg

PDB ID 2cdn

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