Definition: Catalysis of the transfer of a methyl group from a donor to a nucleoside residue in an RNA molecule.
Note that the methyl donor is usually S-adenosyl-L-methionine, but there is at least one exception (see GO:0030698).
GO:0008168 - methyltransferase activity
23S rRNA m5U747 methyltransferase (rlmC),
23S rRNA 2'-O-ribose G2251 methyltransferase monomer (rlmB),
23S rRNA m5U1939 methyltransferase (rlmD),
23S rRNA m2A2503 methyltransferase and tRNA m2A37 methyltransferase (rlmN),
tRNA m5U54 methyltransferase (trmA),
tRNA (cytidine/uridine-2'-O)-ribose methyltransferase (trmL),
tRNA (Gm18) 2'-O-methyltransferase (trmH),
tRNA Cm32/Um32 methyltransferase (trmJ),
predicted rRNA methyltransferase (yjtD),
predicted methyltransferase (yfiF)
Unification Links: GO:0008173
Relationship Links: ENZYME:RELATED-TO:2.1.1.-, Reactome:RELATED-TO:REACT_10002, Reactome:RELATED-TO:REACT_29381, Reactome:RELATED-TO:REACT_54083, Reactome:RELATED-TO:REACT_79845, Reactome:RELATED-TO:REACT_82745, Reactome:RELATED-TO:REACT_88858, Reactome:RELATED-TO:REACT_95210, Reactome:RELATED-TO:REACT_102135, Reactome:RELATED-TO:REACT_108169
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