recombinant
expressed in E. coli
form
lyophilized powder
specific activity
≥0.2 unit/mg solid
storage temp.
−20°C
General description
L-Methionine γ-lyase is a pyridoxal phosphate-containing enzyme that converts L-methionine to α-ketobutyrate, ammonia and methyl mercaptan.
Application
L-Methionine γ-lyase has been used in a study to assess catabolism of volatile sulfur compound precursors by Brevibacterium linens and Geotrichum candidum. It has also been used in a study to investigate the enzymatic processing of fluorinated methionine analogs.
Biochem/physiol Actions
L-Methionine γ-Lyase or methioninase has been shown to have anti-tumor effects by depleting methionine from methionine-dependent tumors making them more sensitive to traditional chemotherapies.
Physical form
Supplied as a lyophilized powder containing pyridoxal-5′-phosphate and potassium phosphate
Preparation Note
Expressed in E. coli from a proprietary gene
Other Notes
One unit iwill convert 1 micromole of L-methionine to 2-ketobutyrate per minute at pH 7.0 at 37 °C.
wgk
WGK 3
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
存储类别
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
新产品
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Microdetermination of D-amino acids and D-amino acid oxidase activity with 3,methyl-2-benzothiazolone hydrazone hydrochloride.
K Soda
Analytical biochemistry, 25(1), 228-235 (1968-10-24)
Xinghua Sun et al.
Cancer research, 63(23), 8377-8383 (2003-12-18)
Recombinant methioninase (rMETase) is an enzyme active in preclinical mouse models of human cancer. The efficacy of rMETase is due to depletion of plasma methionine, an amino acid for which tumors generally have an abnormally high methionine requirement. Furthermore, transient
Marie-Pierre Forquin et al.
Applied and environmental microbiology, 77(4), 1449-1459 (2010-12-21)
In this study, we combined metabolic reconstruction, growth assays, and metabolome and transcriptome analyses to obtain a global view of the sulfur metabolic network and of the response to sulfur availability in Brevibacterium aurantiacum. In agreement with the growth of
Timothy H Tran et al.
Acta crystallographica. Section D, Biological crystallography, 67(Pt 10), 831-838 (2011-09-21)
O-Acetylhomoserine sulfhydrylase (OAHS) is a pyridoxal 5'-phosphate (PLP) dependent sulfide-utilizing enzyme in the L-cysteine and L-methionine biosynthetic pathways of various enteric bacteria and fungi. OAHS catalyzes the conversion of O-acetylhomoserine to homocysteine using sulfide in a process known as direct sulfhydrylation.
X Xu et al.
Journal of dental research, 89(11), 1304-1308 (2010-09-23)
Epigallocatechin gallate (EGCg), the main antimicrobial tea catechin, has been reported to inhibit growth and virulence factors of oral pathogens in vitro. Although the mechanism is unclear, the potential of EGCg in reducing halitosis caused by volatile sulfur compounds (VSCs)
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