smal:SMALA_4103 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) tryptophan 2,3-dioxygenase smal:SMALA_4104 K01556 kynureninase [EC:3.7.1.3] | (GenBank) hydrolase smal:SMALA_4105 no KO assigned | (GenBank) lipase/esterase