FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term L-cysteine biosynthetic process ID (Ontology) GO:0019344 (Gene Ontology)
Definition The chemical reactions and pathways resulting in the formation of L-cysteine, 2-amino-3-mercaptopropanoic acid.
Also Known As "cysteine anabolism" ; "cysteine biosynthesis" ; "cysteine formation" (for all, see Synonyms field below)
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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_BIOLOGICAL_PROCESS       1
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 Full annotation statements 
Relevant FlyBase reports
 Gene Groups Genes
 L-cysteine biosynthetic process (all annotations which use CV term, excluding "NOT" statements)       1      1
     involved_in | L-cysteine biosynthetic process       --       1
Spanning Tree (Parents/Children)
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sulfur amino acid metabolic process
 |__sulfur amino acid biosynthetic process_________
sulfur compound biosynthetic process               |
 |__sulfur amino acid biosynthetic process_________|
carboxylic acid biosynthetic process               |
 |__sulfur amino acid biosynthetic process_________|
 |__proteinogenic amino acid biosynthetic process__|
L-amino acid metabolic process                     |
 |__L-amino acid biosynthetic process______________|
proteinogenic amino acid metabolic process         |
 |__proteinogenic amino acid biosynthetic process__|
alpha-amino acid biosynthetic process              |
 |__serine family amino acid biosynthetic process__|
 |__L-amino acid biosynthetic process______________|
                                                   L-cysteine biosynthetic process  2 rec.
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Is a sulfur amino acid biosynthetic process
serine family amino acid biosynthetic process
L-amino acid biosynthetic process
proteinogenic amino acid biosynthetic process
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Synonyms
  • "cysteine anabolism" EXACT
    "cysteine biosynthesis" EXACT
    "cysteine formation" EXACT
    "cysteine synthesis" EXACT
Secondary IDs
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MetaCyc:CYSTSYN-PWY
MetaCyc:HOMOCYSDEGR-PWY
MetaCyc:PWY-6308
MetaCyc:PWY-7289
MetaCyc:PWY-7870
MetaCyc:PWY-8009
MetaCyc:PWY-8010
MetaCyc:PWY-I9