1gsj

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[[Image:1gsj.png|left|200px]]
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==SELENOMETHIONINE SUBSTITUTED N-ACETYL-L-GLUTAMATE KINASE FROM ESCHERICHIA COLI COMPLEXED WITH ITS SUBSTRATE N-ACETYL-L-GLUTAMATE AND ITS SUBSTRATE ANALOG AMPPNP==
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<StructureSection load='1gsj' size='340' side='right' caption='[[1gsj]], [[Resolution|resolution]] 1.85&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1gsj]] is a 1 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=1GSJ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1GSJ FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ANP:PHOSPHOAMINOPHOSPHONIC+ACID-ADENYLATE+ESTER'>ANP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=NLG:N-ACETYL-L-GLUTAMATE'>NLG</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1gs5|1gs5]]</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/Acetylglutamate_kinase Acetylglutamate kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.2.8 2.7.2.8] </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=1gsj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1gsj OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1gsj RCSB], [http://www.ebi.ac.uk/pdbsum/1gsj 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/gs/1gsj_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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N-Acetyl-L-glutamate kinase (NAGK), a member of the amino acid kinase family, catalyzes the second and frequently controlling step of arginine synthesis. The Escherichia coli NAGK crystal structure to 1.5 A resolution reveals a 258-residue subunit homodimer nucleated by a central 16-stranded molecular open beta sheet sandwiched between alpha helices. In each subunit, AMPPNP, as an alphabetagamma-phosphate-Mg2+ complex, binds along the sheet C edge, and N-acetyl-L-glutamate binds near the dyadic axis with its gamma-COO- aligned at short distance from the gamma-phosphoryl, indicating associative phosphoryl transfer assisted by: (1) Mg2+ complexation; (2) the positive charges on Lys8, Lys217, and on two helix dipoles; and (3) by hydrogen bonding with the y-phosphate. The structural resemblance with carbamate kinase and the alignment of the sequences suggest that NAGK is a structural and functional prototype for the amino acid kinase family, which differs from other acylphosphate-making devices represented by phosphoglycerate kinase, acetate kinase, and biotin carboxylase.
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{{STRUCTURE_1gsj| PDB=1gsj | SCENE= }}
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Structure of acetylglutamate kinase, a key enzyme for arginine biosynthesis and a prototype for the amino acid kinase enzyme family, during catalysis.,Ramon-Maiques S, Marina A, Gil-Ortiz F, Fita I, Rubio V Structure. 2002 Mar;10(3):329-42. PMID:12005432<ref>PMID:12005432</ref>
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===SELENOMETHIONINE SUBSTITUTED N-ACETYL-L-GLUTAMATE KINASE FROM ESCHERICHIA COLI COMPLEXED WITH ITS SUBSTRATE N-ACETYL-L-GLUTAMATE AND ITS SUBSTRATE ANALOG AMPPNP===
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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_12005432}}
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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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[[1gsj]] is a 1 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=1GSJ OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:012005432</ref><references group="xtra"/>
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[[Category: Acetylglutamate kinase]]
[[Category: Acetylglutamate kinase]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]

Revision as of 12:59, 28 September 2014

SELENOMETHIONINE SUBSTITUTED N-ACETYL-L-GLUTAMATE KINASE FROM ESCHERICHIA COLI COMPLEXED WITH ITS SUBSTRATE N-ACETYL-L-GLUTAMATE AND ITS SUBSTRATE ANALOG AMPPNP

1gsj, resolution 1.85Å

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