FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term S-adenosylmethionine-homocysteine S-methyltransferase activity ID (Ontology) GO:0008898 (Gene Ontology)
Definition Catalysis of the reaction: S-adenosyl-L-methionine + L-homocysteine = S-adenosyl-L-homocysteine + L-methionine.
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Data ClassFieldDirect annotations
Genes (FBgn)GO_MOLECULAR_FUNCTION
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 S-adenosylmethionine-homocysteine S-methyltransferase activity (all annotations which use CV term, excluding "NOT" statements)
     enables | S-adenosylmethionine-homocysteine S-methyltransferase activity
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methyltransferase activity
 |__S-methyltransferase activity_______________________________
 |__S-adenosylmethionine-dependent methyltransferase activity__|
                                                               S-adenosylmethionine-homocysteine S-methyltransferase activity  2 rec.
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Is a S-methyltransferase activity
S-adenosylmethionine-dependent methyltransferase activity
Part of
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Synonyms
  • "adenosylmethionine transmethylase activity" RELATED[ EC:2 ]
    "adenosylmethionine:homocysteine methyltransferase activity" RELATED[ EC:2 ]
    "homocysteine methyltransferase activity" RELATED[ EC:2 ]
    "homocysteine transmethylase activity" RELATED[ EC:2 ]
    "L-homocysteine S-methyltransferase activity" RELATED[ EC:2 ]
    "S-adenosyl-L-methionine:L-homocysteine methyltransferase activity" RELATED[ EC:2 ]
    "S-adenosyl-L-methionine:L-homocysteine S-methyltransferase activity" RELATED[ EC:2 ]
    "S-adenosylmethionine homocysteine transmethylase activity" RELATED[ EC:2 ]
    "S-adenosylmethionine-homocysteine transmethylase activity" RELATED[ EC:2 ]
    "S-adenosylmethionine:homocysteine methyltransferase activity" RELATED[ EC:2 ]
Secondary IDs
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MetaCyc:HOMOCYSTEINE-S-METHYLTRANSFERASE-RXN
RHEA:21820