α-Galactosidase ( EC 3.2.1.22, α-GAL, α-GAL A; systematic name α-D-galactoside galactohydrolase) is a glycoside hydrolase enzyme that catalyses the following reaction:
Hydrolysis of terminal, non-reducing α-D-galactose residues in α-D-galactosides, including galactose oligosaccharides, galactomannans and galactolipids
It catalyzes many catabolic processes, including cleavage of glycoproteins, glycolipids, and polysaccharides.
Source
Aspergillus niger
Form
Powder
Enzyme Commission Number
EC 3.2.1.22
Activity
>600 U/mg
CAS No.
9025-35-8
Unit Definition
One Unit of activity is the amount of enzyme required to release one µmole of p-nitrophenol (pNP) per minute from p-nitrophenyl-α-D-galactopyranoside per min at pH 4.5 and 40°C.
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