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Merck
CN

G6637

β-Galactose Dehydrogenase from Pseudomonas fluorescens

recombinant, expressed in E. coli, ammonium sulfate suspension, ≥50 units/mg protein (biuret)

Synonym(s):

D-Galactose:NAD+ 1-oxidoreductase

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About This Item

CAS Number:
9028-54-0
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-837-4
MDL number:
MFCD00130622
EC Number:
1.1.1.48 (BRENDA, IUBMB)
Specific activity:
≥50 units/mg protein (biuret)
Assay:
0.5—2.0 mg protein/mL (biuret)
Biological source:
Pseudomonas fluorescens
Recombinant:
expressed in E. coli

Key Documents

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Product Name

β-Galactose Dehydrogenase from Pseudomonas fluorescens, recombinant, expressed in E. coli, ammonium sulfate suspension, ≥50 units/mg protein (biuret)

biological source

Pseudomonas fluorescens

recombinant

expressed in E. coli

assay

0.5—2.0 mg protein/mL (biuret)

form

ammonium sulfate suspension

specific activity

≥50 units/mg protein (biuret)

color

white

suitability

suitable for enzyme test

application(s)

life science and biopharma

shipped in

wet ice

storage temp.

2-8°C

Quality Level

200

Gene Information

Pseudomonas fluorescens ... gdh(533113295)

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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.

Other Notes

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

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

常规特殊物品
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Certificates of Analysis (COA)

Lot/Batch Number
SLCH3542
SLBZ8176
SLBX5742
SLBR7772V
SLBN1974V

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Takahiro Mieda et al.
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
Optimizing the enzymatic determination of galactose in the culture medium of rat liver and HepG2 cell spheroids.
Jinsheng Xu et al.
Analytical biochemistry, 311(2), 179-181 (2002-12-10)
Yannis D Clonis
Journal of chromatography. A, 1101(1-2), 1-24 (2005-10-26)
Affinity chromatography has the reputation of a more expensive and less robust than other types of liquid chromatography. Furthermore, the technique is considered to stand a modest chance of large-scale purification of proteinaceous pharmaceuticals. This perception is changing because of
Sensory properties and taste compounds of fermented milk produced by Lactococcus lactis and Streptococcus thermophius
M. Omaea et al.
Food Sci. Technol., 14, 183-189 (2008)
T E Curey et al.
Analytical biochemistry, 293(2), 178-184 (2001-06-12)
We report the development of a sensor for rapidly and simultaneously measuring multiple sugars in aqueous samples. In this strategy, enzyme-based assays are localized within an array of individually addressable sites on a micromachined silicon chip. Microspheres derivatized with monosaccharide-specific
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