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==Structure of E. faecalis FabH in complex with acetyl CoA== | ==Structure of E. faecalis FabH in complex with acetyl CoA== | ||
<StructureSection load='3il4' size='340' side='right' caption='[[3il4]], [[Resolution|resolution]] 3.00Å' scene=''> | <StructureSection load='3il4' size='340' side='right'caption='[[3il4]], [[Resolution|resolution]] 3.00Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[3il4]] is a 4 chain structure with sequence from [ | <table><tr><td colspan='2'>[[3il4]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/"enterococcus_proteiformis"_thiercelin_and_jouhaud_1903 "enterococcus proteiformis" thiercelin and jouhaud 1903]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3IL4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3IL4 FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACO:ACETYL+COENZYME+*A'>ACO</scene></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACO:ACETYL+COENZYME+*A'>ACO</scene></td></tr> | ||
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=CSO:S-HYDROXYCYSTEINE'>CSO</scene></td></tr> | <tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=CSO:S-HYDROXYCYSTEINE'>CSO</scene></td></tr> | ||
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3il3|3il3]], [[3il5|3il5]], [[3il6|3il6]], [[3il7|3il7]], [[3il9|3il9]]</td></tr> | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3il3|3il3]], [[3il5|3il5]], [[3il6|3il6]], [[3il7|3il7]], [[3il9|3il9]]</div></td></tr> | ||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">EF_2885, fabH ([ | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">EF_2885, fabH ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1351 "Enterococcus proteiformis" Thiercelin and Jouhaud 1903])</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/Beta-ketoacyl-[acyl-carrier-protein]_synthase_III Beta-ketoacyl-[acyl-carrier-protein] synthase III], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.3.1.180 2.3.1.180] </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=3il4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3il4 OCA], [https://pdbe.org/3il4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3il4 RCSB], [https://www.ebi.ac.uk/pdbsum/3il4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3il4 ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Function == | == Function == | ||
[[ | [[https://www.uniprot.org/uniprot/FABH_ENTFA FABH_ENTFA]] Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. Catalyzes the first condensation reaction which initiates fatty acid synthesis and may therefore play a role in governing the total rate of fatty acid production. Possesses both acetoacetyl-ACP synthase and acetyl transacylase activities. Its substrate specificity determines the biosynthesis of branched-chain and/or straight-chain of fatty acids (By similarity). | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
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</div> | </div> | ||
<div class="pdbe-citations 3il4" style="background-color:#fffaf0;"></div> | <div class="pdbe-citations 3il4" style="background-color:#fffaf0;"></div> | ||
==See Also== | |||
*[[Acyl carrier protein synthase 3D structures|Acyl carrier protein synthase 3D structures]] | |||
== References == | == References == | ||
<references/> | <references/> | ||
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</StructureSection> | </StructureSection> | ||
[[Category: Enterococcus proteiformis thiercelin and jouhaud 1903]] | [[Category: Enterococcus proteiformis thiercelin and jouhaud 1903]] | ||
[[Category: Large Structures]] | |||
[[Category: Appelt, K]] | [[Category: Appelt, K]] | ||
[[Category: Cortez, J]] | [[Category: Cortez, J]] | ||
Revision as of 15:12, 13 October 2021
Structure of E. faecalis FabH in complex with acetyl CoAStructure of E. faecalis FabH in complex with acetyl CoA
Structural highlights
Function[FABH_ENTFA] Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. Catalyzes the first condensation reaction which initiates fatty acid synthesis and may therefore play a role in governing the total rate of fatty acid production. Possesses both acetoacetyl-ACP synthase and acetyl transacylase activities. Its substrate specificity determines the biosynthesis of branched-chain and/or straight-chain of fatty acids (By similarity). 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 PubMedFabH (beta-ketoacyl-acyl carrier protein synthase III) is unique in that it initiates fatty acid biosynthesis, is inhibited by long-chain fatty acids providing means for feedback control of the process, and dictates the fatty acid profile of the organism by virtue of its substrate specificity. We report the crystal structures of bacterial FabH enzymes from four different pathogenic species: Enterococcus faecalis, Haemophilus influenzae, Staphylococcus aureus and Escherichia coli. Structural data on the enzyme from different species show important differences in the architecture of the substrate-binding sites that parallel the inter-species diversity in the substrate specificities of these enzymes. Crystal structures of bacterial FabH suggest a molecular basis for the substrate specificity of the enzyme.,Gajiwala KS, Margosiak S, Lu J, Cortez J, Su Y, Nie Z, Appelt K FEBS Lett. 2009 Sep 3;583(17):2939-46. Epub 2009 Aug 6. PMID:19665020[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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