FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term alpha-galactosidase activity ID (Ontology) GO:0004557 (Gene Ontology)
Definition Catalysis of the hydrolysis of terminal, non-reducing alpha-D-galactose residues in alpha-D-galactosides, including galactose oligosaccharides, galactomannans and galactolipids.[ EC:3 ]
Also Known As"melibiase activity"
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Data ClassFieldDirect annotations
Genes (FBgn)GO_MOLECULAR_FUNCTION
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 alpha-galactosidase activity (all annotations which use CV term, excluding "NOT" statements)
     enables | alpha-galactosidase activity       --
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  hydrolase activity, hydrolyzing O-glycosyl compounds
   |__galactosidase activity
       |__alpha-galactosidase activity  3 rec.
           |__raffinose alpha-galactosidase activity
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Is a galactosidase activity
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Synonyms
  • "alpha-D-galactosidase activity" RELATED[ EC:3 ]
    "melibiase activity" EXACT[ EC:3 ]
Secondary IDs
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EC:3.2.1.22
MetaCyc:ALPHAGALACTOSID-RXN
Reactome:R-HSA-1605736 "GLA hydrolyzes PSAP(195-273):Gb3Cer:PE"
Reactome:R-HSA-9841189 "GLA hydrolyzes PSAP(195-273):Gal2Cer:PE"
RHEA:21112
RHEA:28663