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Galactose dehydrogenase from recombinant E. coli

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Cat No.

NATE-1931

Description

In enzymology, a galactose 1-dehydrogenase (EC 1.1.1.48) is an enzyme that catalyzes the chemical reaction: D-galactose + NAD+ rightleftharpoons D-galactono-1,4-lactone + NADH + H+. Thus, the two substrates of this enzyme are D-galactose and NAD+, whereas its 3 products are D-galactono-1,4-lactone, NADH, and H+. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor. This enzyme participates in galactose metabolism.

Source

E. coli

Form

Ammonium sulphate suspension

Enzyme Commission Number

EC 1.1.1.48

Activity

more than 80 U/mg protein

CAS No.

9028-54-0

Molecular Weight

ca. 33,800

pH Stability

5.0 - 10.0

Unit Definition

One unit of activity is defined as the amount of GalDH that forms 1 μmol of NADH per minute at 30 °C.

Optimum pH

10.5

Thermal stability

No significant decrease in activity up to 50 °C with Ammonium sulphate and 40 °C without Ammonium sulphate.

Stability

Stable at 4 °C for at least one year

Storage

Store at 4 to 10 °C (Do not freeze)

Synonyms

D-galactose:NAD+ 1-oxidoreductase; D-galactose dehydrogenase; beta-galactose dehydrogenase; NAD+-dependent D-galactose dehydrogenase; galactose 1-dehydrogenase; EC 1.1.1.48; Galactose dehydrogenase

"Galactose dehydrogenase" Total Products Page

Enzymes

Catalog	Product Name	EC No.	CAS No.	Source	Price
NATE-1070	Galactose dehydrogenase/Galactose mutarotase from E. coli, Recombinant	EC 1.1.1.48, EC 5.1.3.3	9028-54-0; 9031-76-9	E. coli	Inquiry
NATE-0840	Prokaryotic Galactose dehydrogenase, Recombinant	EC 1.1.1.48	9028-54-0	Microorganism	Inquiry
NATE-1710	β-Galactose Dehydrogenase S from Pseudomonas fluorescens, Recombinant	EC 1.1.1.48		E. coli	Inquiry
NATE-0979	Native E.coli Galactose 1-Dehydrogenase		9028-54-0	E.coli	Inquiry

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