stee:F3L20_01130 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) tryptophan 2,3-dioxygenase stee:F3L20_01135 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynU; kynureninase stee:F3L20_01140 no KO assigned | (GenBank) alpha/beta hydrolase