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Catalysis of the reaction: S-adenosyl-L-methionine + 5-alpha-cholest-8,24-dien-3-beta-ol = S-adenosyl-L-homocysteine + 24-methylene-5-alpha-cholest-8-en-3-beta-ol. Catalysis of the transfer of a methyl group to the carbon atom of an acceptor molecule. Catalysis of the transfer of a methyl group to an acceptor molecule. Catalysis of the reaction: S-adenosyl-L-methionine + rRNA = S-adenosyl-L-homocysteine + rRNA containing C5-methyluridine. Catalysis of the reaction: 5,10-methylenetetrahydrofolate + dCMP = deoxy-5-methylcytidylate + 7,8-dihydrofolate. Catalysis of the reaction: S-adenosyl-L-methionine + rRNA = S-adenosyl-L-homocysteine + rRNA containing C2-methyladenine. Catalysis of the transfer of a methyl group from S-adenosylmethionine during the synthesis of quinone cofactors such as ubiquinone (coenzyme Q), menaquinone (vitamin K2), plastoquinone and phylloquinone (vitamin K1). Catalysis of the transfer of a methyl group from S-adenosyl-L-methionine to cytosine to form 5-methylcytosine in small subunit ribosomal RNA. Catalysis of the transfer of a methyl group to the carbon atom of an arginine residue in a protein. Catalysis of the reaction: 2 S-adenosyl-L-methionine + uroporphyrin III = 2 S-adenosyl-L-homocysteine + precorrin-2. Catalysis of the transfer of a one-carbon group from one compound (donor) to another (acceptor).

View Gene Ontology (GO) Term

GO TERM SUMMARY

Name: C-methyltransferase activity
Acc: GO:0008169
Aspect: Molecular Function
Desc: Catalysis of the transfer of a methyl group to the carbon atom of an acceptor molecule.
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 58 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0008169 - C-methyltransferase activity (interactive image map)

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