FB2025_05 , released December 11, 2025

General Information
Term	L-methionine biosynthetic process from homoserine via O-succinyl-L-homoserine and cystathionine	ID (Ontology)	GO:0019281 (Gene Ontology)
Definition	The chemical reactions and pathways resulting in the formation of L-methionine from other compounds, including homoserine, via the intermediates O-succinyl-L-homoserine and cystathionine.
Also Known As	"L-methionine anabolism from homoserine via O-succinyl-L-homoserine and cystathionine" ; "L-methionine formation from homoserine via O-succinyl-L-homoserine and cystathionine" ; "L-methionine synthesis from homoserine via O-succinyl-L-homoserine and cystathionine" (for all, see Synonyms field below)
Comment
Links to External Ontologies
	QuickGO data AmiGO data
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Records annotated with this term OR any of its CHILD TERMS
No relevant records available
Records annotated with this exact term (annotations to child terms are NOT included)
No relevant records available
Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
No relevant statements available

General Information

Term

L-methionine biosynthetic process from homoserine via O-succinyl-L-homoserine and cystathionine

ID (Ontology)

GO:0019281 (Gene Ontology)

Definition

The chemical reactions and pathways resulting in the formation of L-methionine from other compounds, including homoserine, via the intermediates O-succinyl-L-homoserine and cystathionine.

Also Known As

"L-methionine anabolism from homoserine via O-succinyl-L-homoserine and cystathionine" ; "L-methionine formation from homoserine via O-succinyl-L-homoserine and cystathionine" ; "L-methionine synthesis from homoserine via O-succinyl-L-homoserine and cystathionine" (for all, see Synonyms field below)

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

No relevant statements available

homoserine metabolic process____________________ 'de novo' L-methionine biosynthetic process_____| non-proteinogenic amino acid metabolic process__| L-methionine biosynthetic process from L-homoserine via cystathionine |__L-methionine biosynthetic process from homoserine via O-succinyl-L-homoserine and cystathionine

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Is a	L-methionine biosynthetic process from L-homoserine via cystathionine
Part of
Synonyms & Secondary IDs
Synonyms
	"L-methionine anabolism from homoserine via O-succinyl-L-homoserine and cystathionine" EXACT "L-methionine formation from homoserine via O-succinyl-L-homoserine and cystathionine" EXACT "L-methionine synthesis from homoserine via O-succinyl-L-homoserine and cystathionine" EXACT "methionine biosynthetic process from homoserine via O-succinyl-L-homoserine and cystathionine" EXACT
Secondary IDs

External Crossreferences & Linkouts
	MetaCyc:MET-SAM-PWY

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Parents/Children
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Relationships

Is a

L-methionine biosynthetic process from L-homoserine via cystathionine

Part of

Synonyms & Secondary IDs

Synonyms

"L-methionine anabolism from homoserine via O-succinyl-L-homoserine and cystathionine" EXACT
"L-methionine formation from homoserine via O-succinyl-L-homoserine and cystathionine" EXACT
"L-methionine synthesis from homoserine via O-succinyl-L-homoserine and cystathionine" EXACT
"methionine biosynthetic process from homoserine via O-succinyl-L-homoserine and cystathionine" EXACT

Secondary IDs

External Crossreferences & Linkouts

MetaCyc:MET-SAM-PWY