This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in linear amides. The systematic name of this enzyme class is aryl-formylamine amidohydrolase. Other names in common use include kynurenine formamidase, formylase, formylkynureninase, formylkynurenine formamidase, formamidase I, and formamidase II. This enzyme participates in tryptophan metabolism and glyoxylate and dicarboxylate metabolism.
HAYAISHI O, STANIER RY (1951). "The bacterial oxidation of tryptophan. III. Enzymatic activities of cell-free extracts from bacteria employing the aromatic pathway". J. Bacteriol.62 (6): 691–709. PMC386191. PMID14907621.
JAKOBY WB (1954). "Kynurenine formamidase from Neurospora". J. Biol. Chem.207 (2): 657–63. PMID13163050.
MEHLER AH, KNOX WE (1950). "The conversion of tryptophan to kynurenine in liver. II. The enzymatic hydrolysis of formylkynurenine". J. Biol. Chem.187 (1): 431–8. PMID14794728.