schf:IPT68_19540 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) tryptophan 2,3-dioxygenase schf:IPT68_19545 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynU; kynureninase schf:IPT68_19555 no KO assigned | (GenBank) alpha/beta hydrolase