sanu:K7396_18970 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) tryptophan 2,3-dioxygenase sanu:K7396_18975 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynU; kynureninase sanu:K7396_18980 no KO assigned | (GenBank) alpha/beta fold hydrolase