FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
CV Term Report
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General Information
Term RNA methyltransferase activity ID (Ontology) GO:0008173 (Gene Ontology)
Definition Catalysis of the transfer of a methyl group from a donor to a nucleoside residue in an RNA molecule.
Comment
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_MOLECULAR_FUNCTION      13
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Gene Groups Genes
 RNA methyltransferase activity (all annotations which use CV term, excluding "NOT" statements)       2     13
     enables | RNA methyltransferase activity       --      13
Spanning Tree (Parents/Children)
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transferase activity, transferring one-carbon groups
 |__methyltransferase activity________________
catalytic activity, acting on a nucleic acid  |
 |__catalytic activity, acting on RNA_________|
                                              RNA methyltransferase activity  58 rec.
                                               |__methyltransferase cap1 activity 2 rec.
                                               |__methyltransferase cap2 activity
                                               |__mRNA methyltransferase activity 5 rec.
                                               |   |__internal mRNA (guanine-N7-)-methyltransferase activity
                                               |   |__mRNA (2'-O-methyladenosine-N6-)-methyltransferase activity
                                               |   |__mRNA (adenine-N1-)-methyltransferase activity
                                               |   |__mRNA (cytidine-5-)-methyltransferase activity
                                               |   |__mRNA 5'-cap (guanine-N7-)-methyltransferase activity 1 rec.
                                               |   |__mRNA m(6)A methyltransferase activity 3 rec.
                                               |__RNA 2'-O-methyltransferase activity 4 rec.
                                               |   |__23S rRNA (adenosine(1067)-2'-O)-methyltransferase activity
                                               |   |__rRNA (cytosine-2'-O-)-methyltransferase activity
                                               |   |__rRNA (guanosine-2'-O-)-methyltransferase activity 1 rec.
                                               |   |__rRNA (uridine-2'-O-)-methyltransferase activity 2 rec.
                                               |   |__small RNA 2'-O-methyltransferase activity(+) 1 rec.
                                               |   |__tRNA 2'-O-methyltransferase activity
                                               |__RNA 5'-gamma-phosphate methyltransferase activity
                                               |__RNA cap trimethylguanosine synthase activity 1 rec.
                                               |__rRNA methyltransferase activity 21 rec.
                                               |   |__rRNA (adenine) methyltransferase activity(+) 7 rec.
                                               |   |__rRNA (cytosine) methyltransferase activity(+) 5 rec.
                                               |   |__rRNA (guanine) methyltransferase activity(+) 3 rec.
                                               |   |__rRNA (pseudouridine) methyltransferase activity(+) 1 rec.
                                               |   |__rRNA (uridine) methyltransferase activity(+) 3 rec.
                                               |__snRNA methyltransferase activity 2 rec.
                                               |   |__U2 snRNA 2'-O-methyladenosine m6 methyltransferase activity
                                               |   |__U2 snRNA adenosine m6 methyltransferase activity 1 rec.
                                               |   |__U6 snRNA (adenine-(43)-N(6))-methyltransferase activity 1 rec.
                                               |   |__U6 snRNA (guanine-N(2))-methyltransferase activity
                                               |__tRNA methyltransferase activity 24 rec.
                                                   |__tRNA (adenine) methyltransferase activity(+) 4 rec.
                                                   |__tRNA (cytidine) methyltransferase activity(+) 7 rec.
                                                   |__tRNA (guanine) methyltransferase activity(+) 10 rec.
                                                   |__tRNA (uridine) methyltransferase activity(+) 4 rec.
                                                   |__tRNA 2'-O-methyltransferase activity
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Is a methyltransferase activity
catalytic activity, acting on RNA
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Reactome:R-HSA-191784 "snRNA Cap hypermethylation"