3il4: Difference between revisions
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==Structure of E. faecalis FabH in complex with acetyl CoA== | |||
<StructureSection load='3il4' size='340' side='right'caption='[[3il4]], [[Resolution|resolution]] 3.00Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[3il4]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Enterococcus_faecalis Enterococcus faecalis]. 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='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3Å</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>, <scene name='pdbligand=CSO:S-HYDROXYCYSTEINE'>CSO</scene></td></tr> | |||
<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> | |||
== 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 == | |||
[[Image:Consurf_key_small.gif|200px|right]] | |||
Check<jmol> | |||
<jmolCheckbox> | |||
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/il/3il4_consurf.spt"</scriptWhenChecked> | |||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked> | |||
<text>to colour the structure by Evolutionary Conservation</text> | |||
</jmolCheckbox> | |||
</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=3il4 ConSurf]. | |||
<div style="clear:both"></div> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
FabH (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<ref>PMID:19665020</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 3il4" style="background-color:#fffaf0;"></div> | |||
==See Also== | ==See Also== | ||
*[[Acyl carrier protein synthase|Acyl carrier protein synthase]] | *[[Acyl carrier protein synthase 3D structures|Acyl carrier protein synthase 3D structures]] | ||
== References == | |||
== | <references/> | ||
< | __TOC__ | ||
</StructureSection> | |||
[[Category: Enterococcus faecalis]] | [[Category: Enterococcus faecalis]] | ||
[[Category: Appelt | [[Category: Large Structures]] | ||
[[Category: Cortez | [[Category: Appelt K]] | ||
[[Category: Gajiwala | [[Category: Cortez J]] | ||
[[Category: Lu | [[Category: Gajiwala KS]] | ||
[[Category: Margosiak | [[Category: Lu J]] | ||
[[Category: Nie | [[Category: Margosiak S]] | ||
[[Category: Su | [[Category: Nie Z]] | ||
[[Category: Su Y]] | |||
Latest revision as of 04:57, 21 November 2024
Structure of E. faecalis FabH in complex with acetyl CoAStructure of E. faecalis FabH in complex with acetyl CoA
Structural highlights
FunctionFABH_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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