2d40: Difference between revisions
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<StructureSection load='2d40' size='340' side='right'caption='[[2d40]], [[Resolution|resolution]] 2.41Å' scene=''> | <StructureSection load='2d40' size='340' side='right'caption='[[2d40]], [[Resolution|resolution]] 2.41Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[2d40]] is a 4 chain structure with sequence from [ | <table><tr><td colspan='2'>[[2d40]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Eco57 Eco57]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2D40 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2D40 FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FE:FE+(III)+ION'>FE</scene></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FE:FE+(III)+ION'>FE</scene></td></tr> | ||
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr> | <tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr> | ||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Gentisate_1,2-dioxygenase Gentisate 1,2-dioxygenase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.13.11.4 1.13.11.4] </span></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2d40 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2d40 OCA], [https://pdbe.org/2d40 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2d40 RCSB], [https://www.ebi.ac.uk/pdbsum/2d40 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2d40 ProSAT], [https://www.topsan.org/Proteins/BSGI/2d40 TOPSAN]</span></td></tr> | ||
</table> | </table> | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
Revision as of 12:48, 5 May 2021
Crystal Structure of Z3393 from Escherichia coli O157:H7Crystal Structure of Z3393 from Escherichia coli O157:H7
Structural highlights
Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedGentisic acid (2,5-dihydroxybenzoic acid) is a key intermediate in aerobic bacterial pathways that are responsible for the metabolism of a large number of aromatic compounds. The critical step of these pathways is the oxygen-dependent reaction catalysed by gentisate 1,2-dioxygenase which opens the aromatic ring of gentisate to form maleylpyruvate. From gentisic acid, the cell derives carbon and energy through the conversion of maleylpyruvate to central metabolites. We have confirmed the annotation of a gentisate 1,2-dioygenase from the pathogenic O157:H7 Escherichia coli strain and present the first structural characterization of this family of enzymes. The identity of the reaction product was revealed using tandem mass spectroscopy. The operon responsible for the degradation of gentisate in this organism exhibits a high degree of conservation with the gentisate-degrading operons of other pathogenic bacteria, including the Shiga toxin-producing E. coli O103:H2, but does not appear to be present in non-pathogenic strains. The acquisition of the gentisate operon may represent a special adaptation to meet carbon source requirements under conditions of environmental stress and may provide a selective advantage for enterohaemorrhagic E. coli relative to their non-pathogenic counterparts. Structural and biochemical characterization of gentisate 1,2-dioxygenase from Escherichia coli O157:H7.,Adams MA, Singh VK, Keller BO, Jia Z Mol Microbiol. 2006 Sep;61(6):1469-84. Epub 2006 Aug 23. PMID:16930152[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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