kra:Krad_1864 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) tryptophan 23-dioxygenase kra:Krad_1865 K01556 kynureninase [EC:3.7.1.3] | (GenBank) aminotransferase class V kra:Krad_0661 no KO assigned | (GenBank) conserved hypothetical protein