EOG8G7FCJ GO:0001510 30/102 RNA methylation biological_process "Posttranscriptional addition of a methyl group to either a nucleotide or 2'-O ribose in a polyribonucleotide. Usually uses S-adenosylmethionine as a cofactor." [GOC:hjd] EOG8G7FCJ GO:0008168 30/102 methyltransferase activity molecular_function "Catalysis of the transfer of a methyl group to an acceptor molecule." [ISBN:0198506732] EOG8G7FCJ GO:0009452 30/102 7-methylguanosine RNA capping biological_process "The sequence of enzymatic reactions by which the 5' cap structure, an inverted 7-methylguanosine linked via a 5'-5' triphosphate bridge (m7G(5')ppp(5')X) to the first transcribed residue, is added to a nascent transcript." [GOC:vw, PMID:9266685]