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|Formulation:||In 3.2 M ammonium sulphate|
|Stability:||Minimum 1 year at 4oC. Check vial for details.|
|Synonyms:||D-galactose 1-dehydrogenase; D-galactose:NAD+ 1-oxidoreductase|
|Concentration:||Supplied at ~ 100 U/mL|
|Expression:||Recombinant from a Soil prokaryote|
|Specificity:|| Catalyses the reaction: |
D-galactose + NAD+ = D-galactono-1,4-lactone + NADH + H+
Also acts on L-arabinose but more slowly.
|Specific Activity:||~ 280 U/mg (25oC, pH 8.6 on D-galactose)|
|Unit Definition:||One unit of galactose dehydrogenase activity is defined as the amount of enzyme required to convert one µmole of D-galactose to D-galactanate per minute in the presence of NAD+ in Tris-HCl buffer (93 mM), pH 8.6 at 25oC.|
|Application examples:||Applications for the measurement of D-galactose (and L-arabinose) in carbohydrate research and in the food, fermentation, wine, beverage and dairy industries.|
Certificate of Analysis
Safety Data Sheet
Assay for determination of free D-galactose and/or L-arabinose.
Charnock, S. C. & McCleary, B. V. (2006). Irish Patent No. S84280, UK Patent No. 1828407, German Patent No. 1828407, French Patent No. 1828407 and USA Patent No. US7, 785, 771/11/722,000.
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