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| | ==The Biochemical and Structural Basis for Inhibition of Enterococcus faecalis HMG-CoA Synthatse, mvaS, by Hymeglusin== | | ==The Biochemical and Structural Basis for Inhibition of Enterococcus faecalis HMG-CoA Synthatse, mvaS, by Hymeglusin== |
| - | <StructureSection load='3v4n' size='340' side='right' caption='[[3v4n]], [[Resolution|resolution]] 1.60Å' scene=''> | + | <StructureSection load='3v4n' size='340' side='right'caption='[[3v4n]], [[Resolution|resolution]] 1.60Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[3v4n]] is a 4 chain structure with sequence from [http://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=3V4N OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3V4N FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[3v4n]] 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=3V4N OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3V4N FirstGlance]. <br> |
| - | </td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BTB:2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>BTB</scene><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]] 1.6Å</td></tr> |
| - | <tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=SNC:S-NITROSO-CYSTEINE'>SNC</scene></td></tr>
| + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BTB:2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>BTB</scene>, <scene name='pdbligand=SNC:S-NITROSO-CYSTEINE'>SNC</scene></td></tr> |
| - | <tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3v4x|3v4x]]</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=3v4n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3v4n OCA], [https://pdbe.org/3v4n PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3v4n RCSB], [https://www.ebi.ac.uk/pdbsum/3v4n PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3v4n ProSAT]</span></td></tr> |
| - | <tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">mvaS ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1351 "Enterococcus proteiformis" Thiercelin and Jouhaud 1903])</td></tr> | + | </table> |
| - | <tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Hydroxymethylglutaryl-CoA_synthase Hydroxymethylglutaryl-CoA synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.3.3.10 2.3.3.10] </span></td></tr>
| + | == Function == |
| - | <tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3v4n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3v4n OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3v4n RCSB], [http://www.ebi.ac.uk/pdbsum/3v4n PDBsum]</span></td></tr> | + | [https://www.uniprot.org/uniprot/HMGCS_ENTFL HMGCS_ENTFL] Catalyzes the condensation of acetyl-CoA with acetoacetyl-CoA to form 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA). Functions in the mevalonate (MVA) pathway leading to isopentenyl diphosphate (IPP), a key precursor for the biosynthesis of isoprenoid compounds.<ref>PMID:12107122</ref> <ref>PMID:23794621</ref> |
| - | <table> | + | |
| | <div style="background-color:#fffaf0;"> | | <div style="background-color:#fffaf0;"> |
| | == Publication Abstract from PubMed == | | == Publication Abstract from PubMed == |
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| | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> |
| | </div> | | </div> |
| | + | <div class="pdbe-citations 3v4n" style="background-color:#fffaf0;"></div> |
| | == References == | | == References == |
| | <references/> | | <references/> |
| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Enterococcus proteiformis thiercelin and jouhaud 1903]] | + | [[Category: Enterococcus faecalis]] |
| - | [[Category: Hydroxymethylglutaryl-CoA synthase]] | + | [[Category: Large Structures]] |
| - | [[Category: Geisbrecht, B V.]] | + | [[Category: Geisbrecht BV]] |
| - | [[Category: McWhorter, W J.]] | + | [[Category: McWhorter WJ]] |
| - | [[Category: Miziorko, H M.]] | + | [[Category: Miziorko HM]] |
| - | [[Category: Ramyar, K X.]] | + | [[Category: Ramyar KX]] |
| - | [[Category: Skaff, D A.]] | + | [[Category: Skaff DA]] |
| - | [[Category: Hydroxymethylglutaryl-coa synthase]]
| + | |
| - | [[Category: Nitrosylation]]
| + | |
| - | [[Category: Transferase-inhibitor complex]]
| + | |
| Structural highlights
Function
HMGCS_ENTFL Catalyzes the condensation of acetyl-CoA with acetoacetyl-CoA to form 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA). Functions in the mevalonate (MVA) pathway leading to isopentenyl diphosphate (IPP), a key precursor for the biosynthesis of isoprenoid compounds.[1] [2]
Publication Abstract from PubMed
Hymeglusin (1233A, F244, L-659-699) is established as a specific beta-lactone inhibitor of eukaryotic hydroxymethylglutaryl-CoA synthase (HMGCS). Inhibition results from formation of a thioester adduct to the active site cysteine. In contrast, the effects of hymeglusin on bacterial HMG-CoA synthase, mvaS, have been minimally characterized. Hymeglusin blocks growth of Enterococcus faecalis. After removal of the inhibitor from culture media, a growth curve inflection point at 3.1 h is observed (vs 0.7 h for the uninhibited control). Upon hymeglusin inactivation of purified E. faecalis mvaS, the thioester adduct is more stable than that measured for human HMGCS. Hydroxylamine cleaves the thioester adduct; substantial enzyme activity is restored at a rate that is 8-fold faster for human HMGCS than for mvaS. Structural results explain these differences in enzyme-inhibitor thioester adduct stability and solvent accessibility. The E. faecalis mvaS-hymeglusin cocrystal structure (1.95 A) reveals virtually complete occlusion of the bound inhibitor in a narrow tunnel that is largely sequestered from bulk solvent. In contrast, eukaryotic (Brassica juncea) HMGCS binds hymeglusin in a more solvent-exposed cavity.
Biochemical and structural basis for inhibition of Enterococcus faecalis hydroxymethylglutaryl-CoA synthase, mvaS, by hymeglusin.,Skaff DA, Ramyar KX, McWhorter WJ, Barta ML, Geisbrecht BV, Miziorko HM Biochemistry. 2012 Jun 12;51(23):4713-22. doi: 10.1021/bi300037k. Epub 2012 May, 25. PMID:22510038[3]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
- ↑ Sutherlin A, Hedl M, Sanchez-Neri B, Burgner JW 2nd, Stauffacher CV, Rodwell VW. Enterococcus faecalis 3-hydroxy-3-methylglutaryl coenzyme A synthase, an enzyme of isopentenyl diphosphate biosynthesis. J Bacteriol. 2002 Aug;184(15):4065-70. PMID:12107122 doi:10.1128/JB.184.15.4065-4070.2002
- ↑ VanNice JC, Skaff DA, Wyckoff GJ, Miziorko HM. Expression in Haloferax volcanii of 3-hydroxy-3-methylglutaryl coenzyme A synthase facilitates isolation and characterization of the active form of a key enzyme required for polyisoprenoid cell membrane biosynthesis in halophilic archaea. J Bacteriol. 2013 Sep;195(17):3854-62. PMID:23794621 doi:10.1128/JB.00485-13
- ↑ Skaff DA, Ramyar KX, McWhorter WJ, Barta ML, Geisbrecht BV, Miziorko HM. Biochemical and structural basis for inhibition of Enterococcus faecalis hydroxymethylglutaryl-CoA synthase, mvaS, by hymeglusin. Biochemistry. 2012 Jun 12;51(23):4713-22. doi: 10.1021/bi300037k. Epub 2012 May, 25. PMID:22510038 doi:http://dx.doi.org/10.1021/bi300037k
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