serj:SGUI_1024 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) Tryptophan 2,3-dioxygenase serj:SGUI_1023 K01556 kynureninase [EC:3.7.1.3] | (GenBank) Kynureninase serj:SGUI_2500 no KO assigned | (GenBank) putative lipase/esterase