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Catalysis of the transfer of a methyl group to an acceptor molecule. Catalysis of two successive methyl transfer reactions from AdoMet to the N-2 atom of guanosine, thereby converting 7-methylguanosine in an RNA cap to 2,2,7 trimethylguanosine. Catalysis of the transfer of a methyl group from a donor to a nucleoside residue in an RNA molecule.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: RNA trimethylguanosine synthase activity
Acc: GO:0071164
Aspect: Molecular Function
Desc: Catalysis of two successive methyl transfer reactions from AdoMet to the N-2 atom of guanosine, thereby converting 7-methylguanosine in an RNA cap to 2,2,7 trimethylguanosine.
Synonyms:
  • cap hypermethylase activity
  • small nuclear RNA methyltransferase activity
  • snRNA methyltransferase activity
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 0


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0071164 - RNA trimethylguanosine synthase activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle