1iov

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[[Image:1iov.png|left|200px]]
 
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{{STRUCTURE_1iov| PDB=1iov | SCENE= }}
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==COMPLEX OF D-ALA:D-ALA LIGASE WITH ADP AND A PHOSPHORYL PHOSPHONATE==
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<StructureSection load='1iov' size='340' side='right'caption='[[1iov]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1iov]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IOV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1IOV 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]] 2.2&#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>, <scene name='pdbligand=POB:2-[(1-AMINO-ETHYL)-PHOSPHATE-PHOSPHINOYLOXY]-BUTYRIC+ACID'>POB</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=1iov FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1iov OCA], [https://pdbe.org/1iov PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1iov RCSB], [https://www.ebi.ac.uk/pdbsum/1iov PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1iov ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/DDLB_ECOLI DDLB_ECOLI] Cell wall formation.
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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/io/1iov_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=1iov 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 crystallographic structure of the D-alanine:D-alanine ligase of the ddlB gene of Escherichia coli complexed with a D-Ala-D-alpha-hydroxybutyrate phosphonate and the structure of the Y216F mutant ligase complexed with a D-Ala-D-Ala phosphinate have been determined to 2.2 and 1.9 A resolution, respectively, and refined to R factors of 0.156 and 0.158. In each complex the inhibitor has reacted with ATP to produce ADP and a tight-binding phosphorylated transition state intermediate. Comparison of these two structures with the known crystal structure of the phosphinate intermediate of the wild-type ligase shows no major conformational changes, but B factors indicate differences in mobility of loops covering the binding site. The weaker inhibition of the Y216F mutant by both inhibitors is thought to be due in part to the loss of an interloop hydrogen bond. A similar mechanism may account for poor inhibition of VanA, the homologous D-Ala:D-lactate ligase produced by vancomycin-resistant enterococci.
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===COMPLEX OF D-ALA:D-ALA LIGASE WITH ADP AND A PHOSPHORYL PHOSPHONATE===
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D-alanine:D-alanine ligase: phosphonate and phosphinate intermediates with wild type and the Y216F mutant.,Fan C, Park IS, Walsh CT, Knox JR Biochemistry. 1997 Mar 4;36(9):2531-8. PMID:9054558<ref>PMID:9054558</ref>
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{{ABSTRACT_PUBMED_9054558}}
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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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<div class="pdbe-citations 1iov" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[1iov]] 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=1IOV OCA].
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*[[D-alanine-D-alanine ligase 3D structures|D-alanine-D-alanine ligase 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:009054558</ref><ref group="xtra">PMID:016779845</ref><references group="xtra"/>
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__TOC__
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[[Category: D-alanine--D-alanine ligase]]
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Fan, C.]]
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[[Category: Large Structures]]
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[[Category: Knox, J R.]]
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[[Category: Fan C]]
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[[Category: Moews, P C.]]
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[[Category: Knox JR]]
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[[Category: Adp binding]]
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[[Category: Moews PC]]
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[[Category: Cell wall]]
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[[Category: Glycogen phosphorylase]]
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[[Category: Ligase]]
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[[Category: Peptidoglycan synthesis]]
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[[Category: Vancomycin]]
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Current revision

COMPLEX OF D-ALA:D-ALA LIGASE WITH ADP AND A PHOSPHORYL PHOSPHONATE

PDB ID 1iov

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