FB2026_02 , released June 18, 2026

CV Term Report

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General Information

Term

hexosaminidase activity

ID (Ontology)

GO:0015929 (Gene Ontology)

Definition

Catalysis of the cleavage of hexosamine or N-acetylhexosamine residues (e.g. N-acetylglucosamine) residues from gangliosides or other glycoside oligosaccharides.[ ISBN:0721662544 ]

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_MOLECULAR_FUNCTION

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Genes
hexosaminidase activity (all annotations which use CV term, excluding "NOT" statements)
enables \| hexosaminidase activity

Spanning Tree (Parents/Children)

  hydrolase activity, acting on glycosyl bonds
   |__hydrolase activity, hydrolyzing O-glycosyl compounds
       |__hexosaminidase activity  7 rec.
           |__alpha-N-acetylgalactosaminidase activity
           |__alpha-N-acetylglucosaminidase activity 1 rec.
           |__beta-N-acetylhexosaminidase activity 5 rec.
           |   |__beta-N-acetylgalactosaminidase activity
           |   |__beta-N-acetylglucosaminidase activity 3 rec.
           |__endogalactosaminidase activity
           |   |__chondroitin hydrolase activity
           |__glucosyl-N-acetylglucosamine glucosaminidase activity
           |__hyalurononglucosaminidase activity
           |__N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase activity
           |__peptidoglycan N-acetylglucosaminidase activity

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	hydrolase activity, hydrolyzing O-glycosyl compounds
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts