rta:Rta_27930 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) Vermilion protein rta:Rta_27920 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynureninase (L-kynurenine hydrolase)-like protein