sbh:SBI_05678 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) tdo; tryptophan 2,3-dioxygenase sbh:SBI_05679 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynureninase sbh:SBI_05680 no KO assigned | (GenBank) hypothetical protein