IUBMB Enzyme Nomenclature


Accepted name: α-galactosidase

Reaction: Hydrolysis of terminal, non-reducing α-D-galactose residues in α-D-galactosides, including galactose oligosaccharides, galactomannans and galactolipids

Other name(s): melibiase; α-D-galactosidase; α-galactosidase A; α-galactoside galactohydrolase

Systematic name: α-D-galactoside galactohydrolase

Comments: Also hydrolyses α-D-fucosides.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9025-35-8


1. Suzuki, H., Li, S.-C. and Li, Y.-T. α-Galactosidase from Mortierella vinacea. Crystallization and properties. J. Biol. Chem. 245 (1970) 781-786. [PMID: 5418105]

2. Wiederschain, G. and Beyer, E. [Interrelation of α-D-fucosidase and α-D-galactosidase activities in man and animals]. Dokl. Akad. Nauk S.S.S.R. 231 (1976) 486-488. [PMID: 976079]

[EC created 1961]

Return to EC 3.2.1 home page
Return to EC 3.2 home page
Return to EC 3 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page