btd:BTI_3400 K03719 Lrp/AsnC family transcriptional regulator, leucine-responsive regulatory protein | (GenBank) asnC family protein btd:BTI_2975 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) kynA; tryptophan 2,3-dioxygenase btd:BTI_2974 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynU; kynureninase