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2hmf

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[[Image:2hmf.png|left|200px]]
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==Structure of a Threonine Sensitive Aspartokinase from Methanococcus jannaschii Complexed with Mg-ADP and Aspartate==
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<StructureSection load='2hmf' size='340' side='right' caption='[[2hmf]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2hmf]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Methanocaldococcus_jannaschii Methanocaldococcus jannaschii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HMF OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2HMF FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=ASP:ASPARTIC+ACID'>ASP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2cdq|2cdq]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Aspartate_kinase Aspartate kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.2.4 2.7.2.4] </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=2hmf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hmf OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2hmf RCSB], [http://www.ebi.ac.uk/pdbsum/2hmf PDBsum]</span></td></tr>
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<table>
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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/hm/2hmf_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/chain_selection.php?pdb_ID=2ata 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 activation of the beta-carboxyl group of aspartate catalyzed by aspartokinase is the commitment step to amino-acid biosynthesis in the aspartate pathway. The first structure of a microbial aspartokinase, that from Methanococcus jannaschii, has been determined in the presence of the amino-acid substrate L-aspartic acid and the nucleotide product MgADP. The enzyme assembles into a dimer of dimers, with the interfaces mediated by both the N- and C-terminal domains. The active-site functional groups responsible for substrate binding and specificity have been identified and roles have been proposed for putative catalytic functional groups.
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{{STRUCTURE_2hmf| PDB=2hmf | SCENE= }}
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The initial step in the archaeal aspartate biosynthetic pathway catalyzed by a monofunctional aspartokinase.,Faehnle CR, Liu X, Pavlovsky A, Viola RE Acta Crystallogr Sect F Struct Biol Cryst Commun. 2006 Oct 1;62(Pt, 10):962-6. Epub 2006 Sep 30. PMID:17012784<ref>PMID:17012784</ref>
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===Structure of a Threonine Sensitive Aspartokinase from Methanococcus jannaschii Complexed with Mg-ADP and Aspartate===
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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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{{ABSTRACT_PUBMED_17012784}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[2hmf]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Methanocaldococcus_jannaschii Methanocaldococcus jannaschii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HMF OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017012784</ref><references group="xtra"/>
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[[Category: Aspartate kinase]]
[[Category: Aspartate kinase]]
[[Category: Methanocaldococcus jannaschii]]
[[Category: Methanocaldococcus jannaschii]]

Revision as of 09:09, 30 September 2014

Structure of a Threonine Sensitive Aspartokinase from Methanococcus jannaschii Complexed with Mg-ADP and Aspartate

2hmf, resolution 2.70Å

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