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G4252

Sigma-Aldrich

Glyoxalase I from Saccharomyces cerevisiae

Grade IV, buffered aqueous glycerol solution, ≥400 units/mg protein

Synonyme(s) :

S-Lactoyl-glutathione methylglyoxal-lyase (isomerizing)

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About This Item

Numéro CAS:
9033-12-9
Numéro de classification (Commission des enzymes):
4.4.1.5 (BRENDA, IUBMB)
Numéro MDL:
MFCD00131225
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

Type

Grade IV

Forme

buffered aqueous glycerol solution

Activité spécifique

≥400 units/mg protein

Activité étrangère

glyoxalase II ≤1%

Température de stockage

2-8°C

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Description générale

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.

Actions biochimiques/physiologiques

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.

Définition de l'unité

One unit will form 1.0 μmole of S-lactoylglutathione from methylglyoxal and reduced glutathione per min at pH 6.6 at 25 °C.

Forme physique

Solution in 50% glycerol, 0.4 M (NH4)2SO4 and 0.002 M KH2PO4 pH 6.5

Remarque sur l'analyse

Protein determined by biuret.

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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The mechanism of action of glyoxalase.
E RACKER
The Journal of biological chemistry, 190(2), 685-696 (1951-06-01)
Miriam Urscher et al.
The FEBS journal, 279(14), 2568-2578 (2012-05-23)
Glucose consumption and therefore methylglyoxal production of human erythrocytes increase significantly upon infection with malaria parasites. The glyoxalase systems of the host-parasite unit cope with this metabolic challenge by catalyzing the removal of harmful methylglyoxal. Thus, glyoxalase 1 from the
Ravi Gupta et al.
Journal of proteome research, 11(5), 2684-2696 (2012-04-11)
Plants' distribution and productivity are adversely affected by low temperature (LT) stress. LT induced proteins were analyzed by 2-DE-nano-LC-MS/MS in shoot secretome of Hippophae rhamnoides (seabuckthorn), a Himalayan wonder shrub. Seedlings were subjected to direct freezing stress (-5 °C), cold
An enzyme concerned with the formation of hydroxy acids from ketonic aldehydes
H.D. Dakin & H.W. Dudley
The Journal of Biological Chemistry, 14, 155-157 (1913)
Xuming Jia et al.
PloS one, 7(5), e36610-e36610 (2012-05-19)
Methylglyoxal (MG) is a highly reactive metabolite physiologically presented in all biological systems. The effects of MG on diabetes and hypertension have been long recognized. In the present study, we investigated the potential role of MG in obesity, one of
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