Enzyme Details

EC Classification

3.2.1.22

Enzyme name
(recommended)

alpha-galactosidase

Alternative names

alpha-D-galactoside galactohydrolase
melibiase
alpha-D-galactosidase
alpha-galactosidase A
alpha-galactoside galactohydrolase

Classification

Hydrolases

Glycosidases

Hydrolysing O-glycosyl compounds

Catalyses reactions

H2O + Melibiose <-> D-Glucose + D-Galactose

H2O + Raffinose <-> Sucrose + D-Galactose

H2O + Galactosylglycerol <-> Glycerol + D-Galactose

H2O + 1-alpha-D-Galactosyl-myo-inositol <-> D-Galactose + myo-Inositol

H2O + Melibiitol <-> D-Mannose + D-Galactose

H2O + Melibiitol <-> D-Galactose + D-Sorbitol

H2O + Trihexosylceramide <-> Galactose + beta-D-Galactosyl-1,4-beta-D-glucosylceramide

H2O + Stachyose <-> Raffinose + D-Galactose

H2O + Digalactosylceramide <-> Galactose + Galactosylceramide

H2O + Digalactosyl-diacylglycerol <-> Galactose + 1,2-Diacyl-3-beta-D-galactosyl-sn-glycerol

H2O + D-Gal alpha 1->6D-Gal alpha 1->6D-Glucose <-> D-Galactose + Melibiose

H2O + p-Nitrophenyl-beta-D-galactoside <-> beta-D-Galactose + p-Nitrophenol

H2O + o-Nitrophenyl-beta-D-galactoside <-> beta-D-Galactose + o-Nitrophenol

H2O + p-Nitrophenyl-alpha-D-galactoside <-> alpha-D-Galactose + p-Nitrophenol

H2O + o-Nitrophenyl-alpha-D-galactoside <-> alpha-D-Galactose + o-Nitrophenol

H2O + m-Nitrophenyl-alpha-D-galactoside <-> alpha-D-Galactose + 3-Nitrophenol

H2O + p-Nitrophenyl-beta-L-arabinopyranoside <-> p-Nitrophenol + beta-L-Arabinopyranoside

H2O + Gal-alpha1->3(Fuc-alpha1->2)Gal <-> beta-D-Galactose + Fucosyl-alpha1->2-galactose

H2O + alpha-D-Galactosyl-1,3-beta-D-galactosyl-1,4-N-acetyl-D-glucosamine <-> beta-D-Galactose + N-Acetyllactosamine

H2O + 4-Methylumbelliferyl-alpha-D-galactoside <-> alpha-D-Galactose + 4-Methylumbelliferone

H2O + Digalactosylceramide <-> alpha-D-Galactose + Galactosylceramide

H2O + Trihexosylceramide <-> alpha-D-Galactose + beta-D-Galactosyl-1,4-beta-D-glucosylceramide

H2O + Galabiose <-> alpha-D-Galactose + beta-D-Galactose

H2O + Globotriose <-> alpha-D-Galactose + beta-D-Galactosyl-1,4-beta-D-glucopyranose

External links

Expasy
KEGG
BRENDA
IntEnz (EBI)
IUBMB
Reactome
MetaCrop

View all entries for EC Class: 3.2.1.22

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