sgx:H4W23_19140 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) tryptophan 2,3-dioxygenase sgx:H4W23_19135 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynU; kynureninase sgx:H4W23_19130 no KO assigned | (GenBank) alpha/beta hydrolase