hyr:BSY239_3628 K03498 trk/ktr system potassium uptake protein | (GenBank) cation transport family protein hyr:BSY239_2444 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) kynA; tryptophan 2,3-dioxygenase hyr:BSY239_2443 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynU; kynureninase