FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term cystathionine gamma-lyase activity ID (Ontology) GO:0004123 (Gene Ontology)
Definition Catalysis of the reaction: L-cystathionine + H2O = 2-oxobutanoate + L-cysteine + NH4+.
Comment
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_MOLECULAR_FUNCTION       1
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 Full annotation statements 
Relevant FlyBase reports
 Genes
 cystathionine gamma-lyase activity (all annotations which use CV term, excluding "NOT" statements)       1
     enables | cystathionine gamma-lyase activity       1
Spanning Tree (Parents/Children)
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  lyase activity
   |__carbon-sulfur lyase activity
       |__cystathionine gamma-lyase activity  1 rec.
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Is a carbon-sulfur lyase activity
Part of
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Synonyms
  • "gamma-cystathionase activity" BROAD[ EC:4 ]
    "homoserine deaminase activity" RELATED[ EC:4 ]
    "homoserine deaminase-cystathionase activity" RELATED[ EC:4 ]
    "homoserine dehydratase activity" RELATED[ EC:4 ]
    "L-cystathionine cysteine-lyase (deaminating)" BROAD[ EC:4 ]
    "L-cystathionine cysteine-lyase (deaminating; 2-oxobutanoate-forming)" RELATED[ EC:4 ]
Secondary IDs
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KEGG_REACTION:R01001
MetaCyc:RXN-15130
Reactome:R-HSA-1614583 "PXLP-K212-CTH cleaves L-Cystathionine"
RHEA:14005