FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term transsulfuration ID (Ontology) GO:0019346 (Gene Ontology)
Definition The interconversion of homocysteine and cysteine via cystathionine. In contrast with enteric bacteria and mammals, Saccharomyces cerevisiae has two transsulfuration pathways employing two separate sets of enzymes.
Also Known As"transsulphuration"
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Data ClassFieldDirect annotations
Genes (FBgn)GO_BIOLOGICAL_PROCESS
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 transsulfuration (all annotations which use CV term, excluding "NOT" statements)
     involved_in | transsulfuration
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sulfur amino acid metabolic process
 |__homocysteine metabolic process______________
amino acid metabolic process                    |
 |__proteinogenic amino acid metabolic process__|
carboxylic acid metabolic process               |
 |__proteinogenic amino acid metabolic process__|
non-proteinogenic amino acid metabolic process  |
 |__homocysteine metabolic process______________|
                                                transsulfuration  2 rec.
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Is a homocysteine metabolic process
proteinogenic amino acid metabolic process
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Synonyms
  • "homocysteine-cysteine interconversion" NARROW
    "transsulphuration" EXACT
Secondary IDs
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MetaCyc:PWY-801
Reactome:R-HSA-1614603 "Cysteine formation from homocysteine"
Wikipedia:Transsulfuration_pathway