FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

aldose 1-epimerase activity

ID (Ontology)

GO:0004034 (Gene Ontology)

Definition

Catalysis of the reaction: alpha-D-glucose = beta-D-glucose. Also acts on L-arabinose, D-xylose, D-galactose, maltose and lactose.[ EC:5 ]

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
aldose 1-epimerase activity (all annotations which use CV term, excluding "NOT" statements)
enables \| aldose 1-epimerase activity

Spanning Tree (Parents/Children)

  racemase and epimerase activity
   |__racemase and epimerase activity, acting on carbohydrates and derivatives
       |__aldose 1-epimerase activity  2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	racemase and epimerase activity, acting on carbohydrates and derivatives
Part of
Synonyms & Secondary IDs
Synonyms
	"aldose mutarotase activity" RELATED[ EC:5 ] "mutarotase activity" RELATED[ EC:5 ]
Secondary IDs

External Crossreferences & Linkouts
	EC:5.1.3.3 MetaCyc:ALDOSE-1-EPIMERASE-RXN Reactome:R-HSA-9931853 "GALM converts beta-D-GAL to alpha-D-GAL" Reactome:R-HSA-9931926 "Defective GALM doesn't convert beta-D-GAL to alpha-D-GAL" RHEA:10264 RHEA:28675 RHEA:63332 RHEA:63336