FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term L-ornithine transaminase activity ID (Ontology) GO:0004587 (Gene Ontology)
Definition Catalysis of the reaction: a 2-oxocarboxylate + L-ornithine = L-glutamate 5-semialdehyde + an L-alpha-amino acid.
Also Known As "ornithine aminotransferase activity" ; "ornithine-oxo-acid aminotransferase activity"
Comment
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Annotations
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Data Class Field Records
Genes (FBgn)  GO_MOLECULAR_FUNCTION       1
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 Genes
 L-ornithine transaminase activity (all annotations which use CV term, excluding "NOT" statements)       1
     enables | L-ornithine transaminase activity       1
Spanning Tree (Parents/Children)
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  transferase activity, transferring nitrogenous groups
   |__transaminase activity
       |__L-ornithine transaminase activity  1 rec.
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Is a transaminase activity
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Synonyms
  • "GabT" RELATED[ EC:2 ]
    "L-ornithine 5-aminotransferase activity" RELATED[ EC:2 ]
    "L-ornithine aminotransferase activity" RELATED[ EC:2 ]
    "L-ornithine:2-oxo-acid aminotransferase activity" RELATED[ EC:2 ]
    "L-ornithine:alpha-ketoglutarate delta-aminotransferase activity" RELATED[ EC:2 ]
    "OAT" RELATED[ EC:2 ]
    "ornithine 5-aminotransferase activity" RELATED[ EC:2 ]
    "ornithine aminotransferase activity" EXACT
    "ornithine delta-transaminase activity" RELATED[ EC:2 ]
    "ornithine ketoacid aminotransferase activity" RELATED[ EC:2 ]
    "ornithine transaminase activity" RELATED[ EC:2 ]
    "ornithine(lysine) transaminase activity" RELATED
    "ornithine--2-oxoacid aminotransferase activity" RELATED[ EC:2 ]
    "ornithine--alpha-ketoglutarate aminotransferase activity" RELATED[ EC:2 ]
    "ornithine--keto acid aminotransferase activity" RELATED[ EC:2 ]
    "ornithine--keto acid transaminase activity" RELATED[ EC:2 ]
    "ornithine--ketoglutarate aminotransferase activity" RELATED[ EC:2 ]
    "ornithine--oxo acid aminotransferase activity" RELATED[ EC:2 ]
    "ornithine--oxo-acid transaminase activity" RELATED[ EC:2 ]
    "ornithine-oxo-acid aminotransferase activity" EXACT
    "ornithine-oxo-acid transaminase activity" RELATED
    "ornithine:alpha-oxoglutarate transaminase activity" RELATED[ EC:2 ]
Secondary IDs
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EC:2.6.1.13
MetaCyc:ORNITHINE--OXO-ACID-AMINOTRANSFERASE-RXN
Reactome:R-HSA-70654 "ornithine + alpha-ketoglutarate <=> glutamate + L-glutamate gamma-semialdehyde [OAT]"
Reactome:R-HSA-70666 "glutamate + L-glutamate gamma-semialdehyde <=> ornithine + alpha-ketoglutarate [OAT]"
RHEA:13877
RHEA:25160