sxi:SXIM_28810 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) tryptophan 2,3-dioxygenase sxi:SXIM_28820 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynureninase sxi:SXIM_28820 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynureninase