Catalyzes the hydroxylation of L-kynurenine (L-Kyn) to form 3-hydroxy-L-kynurenine (L-3OHKyn). Required for synthesis of quinolinic acid (By similarity). MSPGIVSQEVNGRQEPTEAARDERHGRRRRVAVIGAGLVGSLAALNFARMGNHVDLYEYREDIRQALVVQGRSINLALSQRGRKALAAVGLEQEVLATAIPMRGRMLHDVRGNSSVVLYDPINNQCLYSVGRRQLNEVLLNACDKLPNIRCHFEHKLTSANLREGSMEFRNPAKEAVAAHADLIVGCDGAFSSVRQNNVRLPGFNYSQEYIETGYLELCIPSKSGDFQMPANYLHIWPRNTFMMIALPNQDKSFTVTLSMPFEIFAGIQNQNDLLEFFKLNFRDALPLIGEQQLIKDFFKTRPQFLVSIKCRPYHYADKALILGDAAHAMVPYYGQGMNAGMEDVTLLTDILAKQLPLDETLALFTESRWQDAFAICDLAMYNYVEMRDLTKRWTFRLRKWLDTLLFRLFPGWIPLYNSVSFSSMPYRQCIANRKWQDQLLKRIFGATFLAAIVTGGAIYAQRFL Protein cinnabar KMO_DROME Kynurenine 3-hydroxylase cn 465 Kynurenine 3-monooxygenase CG1555