Term Name: | S-methylmethionine biosynthetic process |
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Synonyms: | S-methylmethionine anabolism, S-methylmethionine biosynthesis, S-methylmethionine formation, S-methylmethionine synthesis |
Definition: | The chemical reactions and pathways resulting in the formation of S-methyl-methionine (SMM) from methionine and S-adenosyl-methionine (Ado-Met), catalyzed by methionine S-methyltransferase (MMT). SMM can be reconverted to methionine by donating a methyl group to homocysteine, and concurrent operation of this reaction and that mediated by MMT sets up the SMM cycle. |
Ontology: | GO: Biological Process [GO:0010250] QuickGO AmiGO |