G4252
Glyoxalase I from Saccharomyces cerevisiae
Grade IV, buffered aqueous glycerol solution, ≥400 units/mg protein
Synonym(s):
S-Lactoyl-glutathione methylglyoxal-lyase (isomerizing)
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54
Recommended Products
type
Grade IV
form
buffered aqueous glycerol solution
specific activity
≥400 units/mg protein
foreign activity
glyoxalase II ≤1%
storage temp.
2-8°C
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General description
Glyoxalase detoxification system consists of glyoxalase (GLO)-I and GLO-II. GLO-I is a cytosolic, 42 kDa, dimeric Zn2+ metalloenzyme.
Application
Glyoxalase I from Saccharomyces cerevisiae has been used as a standard in Glyoxalase I assay for C. dilatata females and brooded encapsulated embryos. It has also been used as a standard for calibration curve generation for quantifying glyoxalase I from brain tissues and cerebral microvessels.
Biochem/physiol Actions
Glyoxalase I is universally expressed and involved in the protection against cellular damage due to cytotoxic metabolites such as advanced glycation end products (AGEs). It is an integral component of the detoxification system, catalyzing the conversion of reactive, acyclic a-oxoaldehydes into the corresponding a-hydroxyacids in a glutathione-dependent manner.
Unit Definition
One unit will form 1.0 μmole of S-lactoylglutathione from methylglyoxal and reduced glutathione per min at pH 6.6 at 25 °C.
Physical form
Solution in 50% glycerol, 0.4 M (NH4)2SO4 and 0.002 M KH2PO4 pH 6.5
Analysis Note
Protein determined by biuret.
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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The mechanism of action of glyoxalase.
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Methylglyoxal is an essential component in glycolysis and is known to be an inducer of apoptosis. Glyoxalase I (GLO1) metabolizes and inactivates methylglyoxal. GLO1 is known to be overexpressed in cancer cells and causes resistance to anticancer agents. We show
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