FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

rRNA (guanosine-2'-O-ribose)-methyltransferase activity

ID (Ontology)

GO:0070039 (Gene Ontology)

Definition

Catalysis of the reaction: S-adenosyl-L-methionine + rRNA = S-adenosyl-L-homocysteine + rRNA containing 2'-O-methylguanosine.

Also Known As

"rRNA (guanosine-2'-O-)-methyltransferase activity"

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

Choose a record type to view annotations for this term and its child terms. Direct annotations and full annotation statements below also provide HitList buttons.

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
rRNA (guanosine-2'-O-ribose)-methyltransferase activity (all annotations which use CV term, excluding "NOT" statements)
enables \| rRNA (guanosine-2'-O-ribose)-methyltransferase activity

Spanning Tree (Parents/Children)

O-methyltransferase activity
 |__RNA 2'-O-methyltransferase activity________
RNA methyltransferase activity                 |
 |__RNA 2'-O-methyltransferase activity________|
rRNA methyltransferase activity                |
 |__rRNA (guanine) methyltransferase activity__|
                                               rRNA (guanosine-2'-O-ribose)-methyltransferase activity  1 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	rRNA (guanine) methyltransferase activity RNA 2'-O-methyltransferase activity
Part of
Synonyms & Secondary IDs
Synonyms
	"rRNA (guanosine-2'-O-)-methyltransferase activity" EXACT
Secondary IDs

External Crossreferences & Linkouts
	Reactome:R-HSA-6793096 "MRM3 (RNMTL1) methylates guanosine-1370 of 16S rRNA yielding 2'-O-methylguanosine-1370" Reactome:R-HSA-6793122 "MRM1 methylates guanosine-1145 of 16S rRNA yielding 2'-O-methylguanosine-1145"