FB2026_03 , released September 17, 2026

CV Term Report

Help Close All Open All

General Information

Term

tRNA (guanine(18)-2'-O-ribose)-methyltransferase activity

ID (Ontology)

GO:0141100 (Gene Ontology)

Definition

Catalysis of the reaction: S-adenosyl-L-methionine + guanosine 18 in tRNA= S-adenosyl-L-homocysteine + 2'-O-methylguanosine 18 in tRNA + H+.[ PubMed:25404562 ]

Also Known As

"tRNA (guanine(18)-2'-O-)-methyltransferase activity" ; "tRNA (guanosine(18)-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
tRNA (guanine(18)-2'-O-ribose)-methyltransferase activity (all annotations which use CV term, excluding "NOT" statements)
enables \| tRNA (guanine(18)-2'-O-ribose)-methyltransferase activity

Spanning Tree (Parents/Children)

tRNA methyltransferase activity____________________________
S-adenosylmethionine-dependent methyltransferase activity__|
                                                           tRNA (guanine) methyltransferase activity
                                                            |__tRNA (guanine(18)-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	tRNA (guanine) methyltransferase activity
Part of
Synonyms & Secondary IDs
Synonyms
	"tRNA (guanine(18)-2'-O-)-methyltransferase activity" EXACT "tRNA (guanosine(18)-2'-O)-methyltransferase activity" EXACT
Secondary IDs

External Crossreferences & Linkouts
	EC:2.1.1.34 MetaCyc:2.1.1.34-RXN RHEA:20077