Description
β-Galactosidase (EC 3.2.1.23) preparation derived from Bacillus circulans. The enzyme catalyzes the hydrolysis of lactose and the galactosyl transfer reaction. In the galactosyl transfer reaction, it is advantageous to react at high temperature because of the low solubility of lactose.
Abbr
GLB, Native (B. circulans)
Source
Bacillus circulans
Appearance
Yellow-light brown, powder
Enzyme Commission Number
EC 3.2.1.23
Unit Definition
One unit is defined as the amount of enzyme which will liberate 1µmol of oNP per minute from oNPG at 50°C, pH 6.0.
Thermal stability
stable under 50°C
Storage
store under cool and dry condition
Synonyms
β-Galactosidase; beta-gal; β-gal; GLB; 9031-11-2; EC 3.2.1.23; lactase; β-lactosidase; maxilact; hydrolact; β-D-lactosidase; S 2107; lactozym; trilactase; β-D-galactanase; oryzatym; sumiklat
