FB2026_02 , released June 18, 2026

CV Term Report

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General Information

Term

18S rRNA (adenine(1779)-N(6)/adenine(1780)-N(6))-dimethyltransferase activity

ID (Ontology)

GO:0052909 (Gene Ontology)

Definition

Catalysis of the reaction: 4 S-adenosyl-L-methionine + adenine(1779)/adenine(1780) in 18S rRNA = 4 S-adenosyl-L-homocysteine + N(6)-dimethyladenine(1779)/N(6)-dimethyladenine(1780) in 18S rRNA.

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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Results list data from multiple species. Choose a record type above to open its HitList.

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
18S rRNA (adenine(1779)-N(6)/adenine(1780)-N(6))-dimethyltransferase activity (all annotations which use CV term, excluding "NOT" statements)
enables \| 18S rRNA (adenine(1779)-N(6)/adenine(1780)-N(6))-dimethyltransferase activity

Spanning Tree (Parents/Children)

N-methyltransferase activity_______________
rRNA (adenine) methyltransferase activity__|
                                           rRNA (adenine-N6,N6-)-dimethyltransferase activity
                                            |__18S rRNA (adenine(1779)-N(6)/adenine(1780)-N(6))-dimethyltransferase activity  1 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	rRNA (adenine-N6,N6-)-dimethyltransferase activity
Part of
Synonyms & Secondary IDs
Synonyms
	"M(6)(2)A dimethylase activity" BROAD[ EC:2 ]
Secondary IDs

External Crossreferences & Linkouts
	EC:2.1.1.183 MetaCyc:RXN-11634 RHEA:42780