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ENZYME entry: EC

Accepted Name
Beta-(isoxazolin-5-on-2-yl)-L-alanine synthase.
Reaction catalysed
O(3)-acetyl-L-serine + isoxazolin-5-one <=> 3-(5-oxoisoxazolin-2-yl)-L-alanine + acetate
  • The enzyme from the plants Lathyrus odoratus (sweet pea) and L.sativus (grass pea) also forms 3-(5-oxoisoxazolin-4-yl)-L-alanine in vitro (cf. EC
  • However, only 3-(5-oxoisoxazolin-2-yl)-L-alanine is formed in vivo.
  • 3-(5-oxoisoxazolin-2-yl)-L-alanine is the biosynthetic precursor of the neurotoxin N(3)-oxalyl-L-2,3-diaminopropanoic acid, the cause of lathyrism.
  • Closely related and possibly identical to EC and EC
PRIAM enzyme-specific profiles2.5.1.118
KEGG Ligand Database for Enzyme Nomenclature2.5.1.118
IUBMB Enzyme Nomenclature2.5.1.118
MEDLINEFind literature relating to

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