. "Also acts on 3-hydroxykynurenine." . "The product 4-(2-aminophenyl)-2,4-dioxobutanoate is converted into kynurenate by a spontaneous reaction." . . . "Kynurenine--oxoglutarate transaminase" . "Kynurenine aminotransferase" . "Kynurenine--oxoglutarate aminotransferase" . "L-kynurenine + 2-oxoglutarate = 4-(2-aminophenyl)-2,4-dioxobutanoate + L-glutamate." . "Pyridoxal 5'-phosphate" .