G6048
Galactokinase human
recombinant, expressed in E. coli
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About This Item
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recombinant
expressed in E. coli
Quality Level
form
solution
specific activity
≥1400 unit/μg protein
mol wt
42 kDa
shipped in
dry ice
storage temp.
−70°C
Biochem/physiol Actions
Galactokinase catalyzes the phosphorylation of αD-galactose to produce galactose-1-phosphate as part of the Leloir pathway.
Physical properties
N-terminal GST-tagged 42 kDa full length protein
Unit Definition
One unit will convert 1.0 picomole of galactose to galactose-1-phosphate per minute at pH 7.4 at 30 °C.
Physical form
Supplied as a solution in 40 mM Tris-HCl, pH 8.0, 110 mM NaCl, 2.2 mM KCl, 20% glycerol, 3 mM DTT and 10-250 mM imidazole.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2
Storage Class Code
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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Dariusz Abramczyk et al.
Eukaryotic cell, 11(3), 334-342 (2012-01-03)
The regulation of the Saccharomyces cerevisiae GAL genes in response to galactose as a source of carbon has served as a paradigm for eukaryotic transcriptional control over the last 50 years. Three proteins--a transcriptional activator (Gal4p), an inhibitor (Gal80p), and
Shivani Malik et al.
Nucleic acids research, 40(8), 3348-3363 (2011-12-27)
Recently, we have demonstrated a predominant association of Rad26p with the coding sequences but not promoters of several GAL genes following transcriptional induction. Here, we show that the occupancy of histone H2A-H2B dimer at the coding sequences of these genes
Bridget L Baumgartner et al.
Proceedings of the National Academy of Sciences of the United States of America, 108(52), 21087-21092 (2011-12-14)
Cells have evolved complex regulatory networks that reorganize gene expression patterns in response to changing environmental conditions. These changes often involve redundant mechanisms that affect various levels of gene expression. Here, we examine the consequences of enhanced mRNA degradation in
Gan Dai et al.
Journal of virological methods, 182(1-2), 18-26 (2012-03-13)
Bacterial artificial chromosome (BAC) recombineering using galK selection allows DNA cloned in Escherichia coli to be modified without introducing an unwanted selectable marker at the modification site. Genomes of some herpesviruses have a pair of inverted repeat sequences that makes
Aurélie Egert et al.
Plant & cell physiology, 53(5), 921-929 (2012-03-23)
Galactokinase (GALK, EC 2.7.1.6) is a cytosolic enzyme with a wide occurrence across the taxonomic kingdoms. It catalyzes the phosphorylation of α-d-galactose (Gal) to α-d-Gal-1-P. The cytotoxicity of free (unphosphorylated) Gal is well documented in plants and causes marked defects.
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