FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term rRNA (cytosine-C5-)-methyltransferase activity ID (Ontology) GO:0009383 (Gene Ontology)
Definition Catalysis of the transfer of a methyl group from S-adenosyl-L-methionine to cytosine to form 5-methylcytosine in small subunit ribosomal RNA.[ PubMed:10026269 PubMed:18786544 ]
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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       4
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 Full annotation statements 
Relevant FlyBase reports
 Genes
 rRNA (cytosine-C5-)-methyltransferase activity (all annotations which use CV term, excluding "NOT" statements)       4
     enables | rRNA (cytosine-C5-)-methyltransferase activity       4
Spanning Tree (Parents/Children)
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methyltransferase activity
 |__C-methyltransferase activity________________
rRNA methyltransferase activity                 |
 |__rRNA (cytosine) methyltransferase activity__|
                                                rRNA (cytosine-C5-)-methyltransferase activity  4 rec.
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Is a C-methyltransferase activity
rRNA (cytosine) methyltransferase activity
Part of
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Synonyms
  • "rRNA (cytosine-C5-967)-methyltransferase activity" NARROW
    "rRNA m5C967 methyltransferase activity" NARROW
Secondary IDs
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Reactome:R-HSA-6790944 "NOP2 (NSUN1) methylates cytidine-4447 of 28S rRNA yielding 5-methylcytidine-4447"
Reactome:R-HSA-6793057 "NSUN4 methylates cytidine-841 of 12S rRNA yielding 5-methylcytidine-841"