1qdt

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[[Image:1qdt.jpg|left|200px]]
 
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{{Structure
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==2.1 A RESOLUTION STRUCTURE OF ESCHERICHIA COLI LYTIC TRANSGLYCOYSLASE SLT35 IN COMPLEX WITH CALCIUM==
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|PDB= 1qdt |SIZE=350|CAPTION= <scene name='initialview01'>1qdt</scene>, resolution 2.10&Aring;
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<StructureSection load='1qdt' size='340' side='right'caption='[[1qdt]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene> and <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>
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<table><tr><td colspan='2'>[[1qdt]] 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=1QDT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QDT FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.1&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr>
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}}
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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=1qdt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qdt OCA], [https://pdbe.org/1qdt PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qdt RCSB], [https://www.ebi.ac.uk/pdbsum/1qdt PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qdt ProSAT]</span></td></tr>
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</table>
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'''2.1 A RESOLUTION STRUCTURE OF ESCHERICHIA COLI LYTIC TRANSGLYCOYSLASE SLT35 IN COMPLEX WITH CALCIUM'''
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== Function ==
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[https://www.uniprot.org/uniprot/MLTB_ECOLI MLTB_ECOLI] Murein-degrading enzyme. Catalyzes the cleavage of the glycosidic bonds between N-acetylmuramic acid and N-acetylglucosamine residues in peptidoglycan. May play a role in recycling of muropeptides during cell elongation and/or cell division.
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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The Escherichia coli lytic transglycosylase Slt35 contains a single metal ion-binding site that resembles EF-hand calcium-binding sites. The Slt35 EF-hand is only the second observation of such a domain in a prokaryotic protein. Two crystal structures at 2.1 A resolution show that both Ca2+ ions and Na+ ions can bind to the EF-hand domain, but in subtly different configurations. Heat-induced unfolding studies demonstrate that Ca2+ ions are preferentially bound, and that only Ca2+ ions significantly increase the melting temperature of Slt35. This shows that the EF-hand calcium-binding domain is important for the stability of Slt35.
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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/qd/1qdt_consurf.spt"</scriptWhenChecked>
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1QDT is a [[Single protein]] structure of 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=1QDT OCA].
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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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==Reference==
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</jmolCheckbox>
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Binding of calcium in the EF-hand of Escherichia coli lytic transglycosylase Slt35 is important for stability., van Asselt EJ, Dijkstra BW, FEBS Lett. 1999 Sep 24;458(3):429-35. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10570954 10570954]
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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=1qdt ConSurf].
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<div style="clear:both"></div>
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__TOC__
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Asselt, E J.van.]]
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[[Category: Dijkstra AJ]]
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[[Category: Dijkstra, A J.]]
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[[Category: Van Asselt EJ]]
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[[Category: CA]]
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[[Category: EDO]]
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[[Category: GOL]]
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[[Category: alpha-helical protein with an five-stranded antiparallel beta-sheet]]
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[[Category: ef-hand]]
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[[Category: glycosyl transferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 13:36:18 2008''
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Current revision

2.1 A RESOLUTION STRUCTURE OF ESCHERICHIA COLI LYTIC TRANSGLYCOYSLASE SLT35 IN COMPLEX WITH CALCIUM

PDB ID 1qdt

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