G6637
β-Galactose Dehydrogenase from Pseudomonas fluorescens
recombinant, expressed in E. coli, ammonium sulfate suspension, ≥50 units/mg protein (biuret)
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D-Galactose:NAD+ 1-oxidoreductase
Recommended Products
recombinant
expressed in E. coli
Quality Level
form
ammonium sulfate suspension
specific activity
≥50 units/mg protein (biuret)
shipped in
wet ice
storage temp.
2-8°C
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Application
β-Galactose Dehydrogenase from Pseudomonas fluorescens has been used for competitive inhibition in lectin histochemistry. It has also been used to measure the hydrolysis activity of Haloferax alicantei β-galactosidase on different disaccharides.
Biochem/physiol Actions
β-galactose dehydrogenase catalyzes the oxidation of β-D-galactose to D-galactono-gammalactone.
Unit Definition
One unit will convert 1.0 μmole of D-galactose to D-galactonate per min at pH 8.6 at 25 °C.
Physical form
Suspension in 3.2 M (NH4)2SO4, pH approx. 6.0
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
常规特殊物品
Certificates of Analysis (COA)
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Optimizing the enzymatic determination of galactose in the culture medium of rat liver and HepG2 cell spheroids.
Analytical biochemistry, 311(2), 179-181 (2002-12-10)
Plant & cell physiology, 45(9), 1271-1279 (2004-10-29)
We have studied the enzymological properties of L-galactose dehydrogenase (l-GalDH), a key enzyme in the biosynthetic pathway of l-ascorbate (AsA) in plants. L-GalDH was purified approximately 560-fold from spinach leaves. The enzyme was a homodimer with a subunit mass of
Free radical research, 31 Suppl, S181-S185 (2000-02-29)
Green and white variegated leaves of Coleus blumei, Benth. were separated into albino and green sections and used to determine the distribution of vitamin C and L-galactose dehydrogenase activity, an enzyme supposed to be involved in ascorbate metabolism, in heterotrophic
The Plant journal : for cell and molecular biology, 30(5), 541-553 (2002-06-06)
l-Galactose dehydrogenase (l-GalDH), a novel enzyme that oxidizes l-Gal to l-galactono-1,4-lactone (l-GalL), has been purified from pea seedlings and cloned from Arabidopsis thaliana. l-GalL is a proposed substrate for ascorbate biosynthesis in plants, therefore the function of l-GalDH in ascorbate
Sensory properties and taste compounds of fermented milk produced by Lactococcus lactis and Streptococcus thermophius
Food Sci. Technol., 14, 183-189 (2008)
Articles
Instructions for working with enzymes supplied as ammonium sulfate suspensions
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