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SML0301

Sigma-Aldrich

Hymeglusin

from Fusarium sp., ≥98% (HPLC), powder, HMG-CoA synthase inhibitor

Synonyma:

(2E, 4E, 7R)-11-[(2R,3R)-3-(Hydroxymethyl)-4-oxooxetan-2-yl]-3,5,7-trimethylundeca-2,4-dienoic acid, Antibiotic 1233A, F-244, L-659,699

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About This Item

Empirický vzorec (Hillův zápis):
C18H28O5
Číslo CAS:
29066-42-0
Molekulová hmotnost:
324.41
UNSPSC Code:
51111800
NACRES:
NA.77

product name

Hymeglusin, ≥98% (HPLC), from Fusarium sp.

biological source

Fusarium sp.

Quality Level

200

assay

≥98% (HPLC)

form

powder

solubility

DMSO: soluble
H2O: insoluble
acetone: soluble
chloroform: soluble
ethyl acetate: soluble

storage temp.

−20°C

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

Biochem/physiol Actions

Hymeglusin is a specific β lactone inhibitor of eukaryotic hydroxymethylglutaryl-CoA synthase (HMGCS), a key enzyme in the cholesterol biosynthetic pathway. Unlike other fungal metabolites, Hymeglusin inhibits mevalonate biosynthesis by acting on HMG-CoA synthase, while other fungal metabolites such as Lovastatin (Mevinolin) and Compactin act as specific competitive inhibitors of the HMG-CoA reductase. Inhibition results from covalent modification of the active Cys129 residue by the enzyme by the formation of a thioester adduct in the active site. Hymeglusin show no inhibitory effect against fatty acid synthetase purified from Sacharomyces serevisiae. Hymeglusin was found to block the growth of Enterococcus faecalis. After removal of the inhibitor from the culture medium, a growth curve inflection point is observed. Upon Hymeglusin inactivation, enzyme activity is restored at a rate that is 8-fold faster for human HMGCS than for the bacterial enzyme (mvaS). Structural studies explain these differences. Hymeglusin was also found to inhibit the replication of the dengue live virus (DEN-2 NGC virus) in K562 cells. Lovastatin inhibits DEN-2 NGC live virus replication in human peripheral blood mononuclear cells.

Preparation Note

A DMSO solution (1 mg/mL) is stable for one month at −20 °C.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Osvědčení o analýze (COA)

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H Nagashima et al.
Life sciences, 52(19), 1595-1600 (1993-01-01)
We have studied the in vivo inhibition of hepatic sterol biosynthesis by 1233A, a specific inhibitor of the enzyme 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) synthase. Administration of the compound orally to mice resulted in a dose-dependent inhibition of [14C]acetate incorporation into
Dinesh A Nagegowda et al.
The Biochemical journal, 383(Pt. 3), 517-527 (2004-07-06)
3-hydroxy-3-methylglutaryl (HMG)-CoA synthase (HMGS; EC 2.3.3.10) is the second enzyme in the cytoplasmic mevalonate pathway of isoprenoid biosynthesis, and catalyses the condensation of acetyl-CoA with acetoacetyl-CoA (AcAc-CoA) to yield S-HMG-CoA. In this study, we have first characterized in detail a
H Tomoda et al.
The Kitasato archives of experimental medicine, 65 Suppl, 1-12 (1993-04-01)
Thiotetromycin is isolated from Streptomyces sp. OM-674 discovered in the course of the screening for antibacterial antibiotics. The antibiotic was found to be a specific inhibitor of type II fatty acid synthase. In order to search acyl-CoA synthetase inhibitors, a
H Kumagai et al.
The Journal of antibiotics, 43(4), 397-402 (1990-04-01)
A new screening method for specific inhibitors of mevalonate biosynthesis was established using Vero cells, an animal cell line. The cultures selected were those which inhibited the growth of Vero cells in the EAGLE's minimum essential medium supplemented with 2%
H Hashizume et al.
Chemical & pharmaceutical bulletin, 42(10), 2097-2107 (1994-10-01)
Structural analogs of 1233A, a microbial metabolite inhibiting 3-hydroxy-3- methylglutaryl coenzyme A (HMG-CoA) synthase, were designed and synthesized. The 2-oxetanone moiety was left intact. All analogs prepared were tested for inhibition of HMG-CoA synthase activity and sterol synthesis in mouse
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