E1260
L-Ethionine
≥99% (TLC)
Synonym(s):
L-2-Amino-4-(ethylthio)butyric acid
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About This Item
Linear Formula:
C2H5SCH2CH2CH(NH2)CO2H
CAS Number:
Molecular Weight:
163.24
NACRES:
NA.26
PubChem Substance ID:
UNSPSC Code:
12352209
EC Number:
235-966-4
MDL number:
Product Name
L-Ethionine, ≥99% (TLC)
assay
≥99% (TLC)
form
powder
color
white
mp
280 °C (dec.) (lit.)
storage temp.
−20°C
SMILES string
CCSCC[C@H](N)C(O)=O
InChI
1S/C6H13NO2S/c1-2-10-4-3-5(7)6(8)9/h5H,2-4,7H2,1H3,(H,8,9)/t5-/m0/s1
InChI key
GGLZPLKKBSSKCX-YFKPBYRVSA-N
Biochem/physiol Actions
An analog of methionine that interferes with the normal methylation of DNA and other methylation pathways, and induces pancreatic toxicity and liver cancer. However, in animal studies, it has also been shown to act synergistically with methionine-depletion to block the growth and metastasis of methionine-dependent tumors.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Aymeric Goyer et al.
Plant & cell physiology, 48(2), 232-242 (2006-12-16)
Methionine gamma-lyase (MGL) catalyzes the degradation of L-methionine to alpha-ketobutyrate, methanethiol and ammonia. The Arabidopsis (Arabidopsis thaliana) genome includes a single gene (At1g64660) encoding a protein (AtMGL) with approximately 35% identity to bacterial and protozoan MGLs. When overexpressed in Escherichia
Moncef Benkhalifa et al.
Fertility and sterility, 93(5), 1585-1590 (2009-04-14)
To investigate whether homocysteine, a well known inhibitor of methylation, which is produced after imprinting and other methylation processes, can be recycled to methionine in the oocyte, at least until the stage of maternal to zygotic transition (i.e., four- to
Shuntaro Ikeda et al.
The Journal of reproduction and development, 58(1), 91-97 (2011-11-05)
The roles of methionine metabolism in bovine preimplantation embryo development were investigated by using ethionine, an antimetabolite of methionine. In vitro produced bovine embryos that had developed to the 5-cell stage or more at 72 h after the commencement of