kau:B6264_18175 K03719 Lrp/AsnC family transcriptional regulator, leucine-responsive regulatory protein | (GenBank) AsnC family transcriptional regulator kau:B6264_18170 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) tryptophan 2,3-dioxygenase kau:B6264_18165 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynureninase