An HMG-CoA synthase inhibitor
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Hymeglusin

Item No. 11899

Technical Information
Formal Name
11-[3R-(hydroxymethyl)-4-oxo-2R-oxetanyl]-3,5,7R-trimethyl-2E,4E-undecadienoic acid
CAS Number
29066-42-0
Synonyms
  • Antibiotic 1233A
  • Antibiotic F 244
  • L 659,699
Molecular Formula
C18H28O5
Formula Weight
Purity
≥95%
A crystalline solid
Chloroform: SolubleDMSO: SolubleEthanol: SolubleMethanol: Soluble
SMILES
OC[C@@H](C1=O)[C@H](O1)CCCC[C@@H](C)C/C(C)=C/C(C)=C/C(O)=O
InChi Code
InChI=1S/C18H28O5/c1-12(8-13(2)9-14(3)10-17(20)21)6-4-5-7-16-15(11-19)18(22)23-16/h9-10,12,15-16,19H,4-8,11H2,1-3H3,(H,20,21)/b13-9+,14-10+/t12-,15-,16-/m1/s1
InChi Key
ODCZJZWSXPVLAW-KXCGKLMDSA-N
Origin
Fungus/Scopulariopsis sp. F-244
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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    Product Description

    Hymeglusin is a fungal β-lactone antibiotic that inhibits HMG-CoA synthase (IC50 = 0.12 μM) by covalently modifying the active Cys129 residue of the enzyme.1,2 At a dose of 25 mg/kg, hymeglusin inhibits cholesterol biosynthesis in rats by 45%.1 Chiral studies indicate that the (2R,3R)-β-lactone moiety of hymeglusin is important for eliciting the specific inhibition of HMG-CoA synthase.3 As a cell-wall targeting antibiotic, hymeglusin has been used to investigate the role of a gene important for controlling S. aureus virulence in a mouse sepsis model of infection.4

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Greenspan, M.D., Yudkovitz, J.B., Lo, C.Y., et alInhibition of hydroxymethylglutaryl-coenzyme A synthase by L-659,699. Proc. Natl. Acad. Sci. USA 84(21), 7488-7492 (1987).

    2. Tomoda, H., Ohbayashi, N., Morikawa, Y., et alBinding site for fungal β-lactone hymeglusin on cytosolic 3- hydroxy-3-methylglutaryl coenzyme A synthase. Biochim. Biophys. Acta 1636(1), 22-28 (2004).

    3. Tomoda, H., Ohbayashi, N., Kumagai, H., et alDifferential inhibition of HMG-CoA synthase and pancreatic lipase by the specific chiral isomers of β-lactone DU-6622. Biochem. Bioph. Res. Commun. 265(2), 536-540 (1999).

    4. Balibar, C.J., Shen, X., McGuire, D., et alcwrA, a gene that specifically responds to cell wall damage in Staphylococcus aureus. Microbiology 156(Pt 5), 1372-1383 (2010).