aoz:HUE56_28530 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) kynA; tryptophan 2,3-dioxygenase aoz:HUE56_28525 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynU; kynureninase aoz:HUE56_28535 K01432 arylformamidase [EC:3.5.1.9] | (GenBank) alpha/beta hydrolase